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Developer Tools (183)

Browse our most popular developer tools first. Every tool runs free in your browser.

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JSON Formatter

Format, validate, and beautify JSON data

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QR Code Generator

Generate QR codes for URLs, text, WiFi, and more

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Crypto & Currency Converter

Convert between 30+ cryptocurrencies and 55+ fiat currencies at live market rates - with price charts and a top-20 market overview

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HTML, CSS & JS Editor

Live browser-based HTML, CSS and JavaScript editor with instant preview, console output, device preview, and 7 starter templates

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Temperature Converter

Convert absolute temperatures between Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, and Rømer. All 8 scales shown simultaneously with quick-reference presets.

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Password Generator

Generate strong, random passwords

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World Clock

Track live time across 100+ cities - with analog/digital clocks, day/night indicator, DST badge, time converter, and meeting planner to find the best overlap hours

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IP Address Lookup

Look up any IP address or domain - get geolocation, ISP, ASN, timezone, currency, and an interactive map

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Scoreboard

Live scoreboard for any sport or game - track scores, fouls, sets, and time across 2–8 teams with sport presets and fullscreen display

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Website Down Checker

Instantly check if any website is up or down - see HTTP status code, response time, DNS records (A, AAAA, MX, NS, TXT), content type, page size, and redirect chain

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Countdown Timer

Multi-timer countdown with Pomodoro presets, loop mode, audio alerts, browser notifications, and visual progress rings

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Regex Tester

Test regular expressions in real time with live match highlighting, group extraction, flag toggles, and replace mode. Supports g, i, m, s, and u flags.

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Color Palette Generator

Generate 5-color palettes from a seed color using 7 harmony modes - analogous, complementary, triadic, tetradic, split-comp, monochromatic, shades.

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TOTP / 2FA Code Generator

Generate TOTP codes from Base32 secrets with live countdown, multiple accounts, QR code for authenticator apps, SHA-1/256/512, 6 or 8 digits, and 30s or 60s periods.

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Color Format Converter

Convert colors between HEX, RGB, HSL, HSV/HSB, and CMYK - all formats shown simultaneously with a live color preview. Color picker and 12 sample swatches included.

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Age Calculator

Calculate your exact age in years, months & days - with birthday countdown, zodiac sign, life stats, planet ages, and age comparison

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Website Font Extractor

Discover every font used on any website - Google Fonts, Adobe Fonts, self-hosted, and system fonts - with weights, formats, and ready-to-copy CSS

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Website Uptime Checker

Check if multiple websites are up or down simultaneously - see HTTP status codes, response times, redirect chains, and export results as CSV with auto-refresh monitoring

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Gitignore Generator

Generate a perfect .gitignore file by selecting your languages, frameworks, IDEs, and operating systems. Combines templates and removes duplicates automatically.

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CSS Box Shadow Generator

Build CSS box shadows visually with multiple layers, real-time preview, color picker, inset toggle, and preset styles.

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CSS Animation Generator

Create CSS keyframe animations with live preview. 16 presets (fade, bounce, shake, pulse, flip, rubber band), duration/delay/timing controls, and copy-ready CSS.

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Unix Timestamp Converter

Convert Unix timestamps ↔ human-readable dates. Auto-detects seconds/ms/µs/ns, supports 15 timezones, duration calculator, and batch converter.

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JSON Validator

Validate JSON syntax and check for errors

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Gradient Generator

Create stunning CSS gradients - linear, radial, conic & repeating - with per-stop opacity, 25 mood presets, direction shortcuts, and instant CSS, Tailwind & SVG export

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YouTube Video Statistics

Fetch live YouTube video statistics - views, duration, publish date, category, tags, channel subscriber count, and more for any public video

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Cooking Converter

Convert cooking measurements between US cups/tbsp/tsp, metric mL/L, UK pints/fluid oz, weight (g/oz/lb/kg), and oven temperatures (°C/°F/Gas Mark) - with a complete oven guide

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Stopwatch

Precise stopwatch with lap recording, fastest/slowest lap highlighting, split times, CSV export, and fullscreen mode

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JWT Decoder

Decode JWT tokens instantly - see header, payload, and signature. Displays algorithm, expiry countdown, and all standard claims (iss, sub, aud, exp, iat, nbf).

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Color Contrast Checker

Check WCAG AA and AAA color contrast compliance for text and backgrounds. Live preview, contrast ratio, and suggestions for fixing insufficient contrast.

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CSS Flexbox & Grid Visualizer

Interactive CSS Flexbox and Grid playground - tweak layout properties and see live results with colored item blocks and generated CSS.

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CSS to Tailwind Converter

Convert CSS rules to Tailwind CSS utility classes. Supports flex, grid, spacing, sizing, typography, borders, shadows, position, overflow, and more.

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IP Subnet Calculator

Calculate IPv4 subnet details from CIDR or subnet mask input. Get network, broadcast, host range, wildcard mask, class, private/public status, and split subnets.

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Color Picker

Pick colors and get HEX, RGB, HSL, and CMYK values with sliders and harmonies

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Color Wheel

Interactive color wheel to explore harmonies - pick any color and instantly generate Complementary, Analogous, Triadic, Split-Complementary, Tetradic, or Monochromatic palettes

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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or uploaded files. All four hashes shown simultaneously. Supports uppercase output and bulk copy.

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README.md Generator

Generate professional GitHub README files with live Markdown preview. Choose sections, fill in your project details, add badges, and download README.md.

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Mock Data Generator

Generate realistic fake data from a custom schema. 23 field types including names, emails, addresses, UUIDs, dates, enums. Output as JSON, CSV, or SQL.

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CSS Filter Generator

Generate CSS filter declarations with real-time image preview. 14 presets plus sliders for blur, brightness, contrast, saturation, hue, sepia, grayscale, invert, and opacity.

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Pressure Converter

Convert pressure between Pascal, kPa, MPa, GPa, bar, millibar, atm, technical atmosphere, Torr/mmHg, inHg, mmH₂O, psi, psf, ksi - 17 units simultaneously.

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Aspect Ratio Calculator

Find aspect ratios from dimensions, scale images/videos maintaining ratio, and browse 12 preset ratios (16:9, 4:3, 1:1, 21:9, 9:16, cinemascope, A4). Visual previews included.

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JavaScript Formatter

Beautify and format JavaScript code

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Lorem Ipsum Generator

Generate placeholder text in seconds - classic Lorem Ipsum, Hipster, Corporate, Pirate & Cat Ipsum with HTML, Markdown, and plain text output

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Whois Domain Checker

Look up domain registration details - registrar, creation & expiry dates, name servers, DNSSEC, and owner contact info

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Coin Flip Simulator

Flip a coin with 3D animation - choose from 4 themes, flip up to 5 coins, run best-of series, auto-flip, track streaks, and simulate thousands of flips.

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Demo Personal Info Generator

Generate complete fake personal profiles for testing - name, contact, address, job, financial, physical, and 60+ other fields with one click

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Website Screenshot Downloader

Capture full-page or viewport screenshots of any public website - choose device size, format, and wait delay, then download the image instantly

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My Screen Resolution

Instantly detect your screen resolution, viewport size, device pixel ratio, physical pixels, aspect ratio, color depth, orientation, and active CSS breakpoints

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SSL Checker

Check SSL/TLS certificate validity, expiry date, issuer, TLS version support, and security headers for any domain

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YouTube Channel Statistics

Fetch live YouTube channel statistics - subscribers, total views, video count, join date, recent uploads, keywords, external links, and analytics for any public channel

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YouTube Revenue Calculator

Estimate YouTube earnings by niche, views, and CPM - with AdSense, memberships, and sponsorship breakdowns

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Coordinate Converter

Convert GPS coordinates between Decimal Degrees (DD), Degrees Minutes Seconds (DMS), Degrees Decimal Minutes (DDM), UTM, Geo URI and Google Maps format

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Appointment Scheduler

Schedule and manage appointments with a monthly calendar view, conflict detection, recurring events, browser reminders, and .ics export

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JSON Diff Viewer

Compare two JSON objects side by side. Highlights added, removed, and changed keys with color coding. Supports nested objects and arrays.

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Decision Wheel Spinner

Spin a customizable wheel to make random decisions. Add up to 20 options, assign colors, spin with animation and sound, and track your history of results.

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Barcode Generator

Generate 8 barcode types: Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF-14, MSI, and Pharmacode. Customize colors, size, and download as PNG.

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CSS Border Radius Generator

Create CSS border-radius values visually with per-corner controls, live preview, and presets like pill, circle, leaf, and tab.

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YAML ↔ JSON Converter

Convert YAML to JSON and JSON to YAML with real-time validation, error display, indentation control, minify option, and file upload/download.

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CSS Transition Generator

Generate CSS transition declarations with multi-property support, cubic-bezier editor, live SVG curve, 8 timing functions, 8 presets, and animated preview.

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SSH Key Inspector

Paste any SSH public key to see key type, bit length, SHA-256 and MD5 fingerprints, comment, security rating, and warnings for weak key sizes.

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Secret Code Talk

Encode and decode secret messages using 18 classic ciphers - Caesar, Morse, Vigenère, Binary, Base64, Rail Fence, NATO Alphabet, Polybius Square, and more

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Live Website Preview

Preview any website live inside a simulated browser frame - test responsiveness across Desktop, Laptop, Tablet, and Mobile viewports instantly

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Domain Expiration Lookup

Check when any domain expires - see days remaining, urgency level, registrar, name servers, DNSSEC, EPP status codes, domain age, and DNS records

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WordPress Theme Detector

Detect the WordPress theme any website is using - get theme name, version, author, active installs, rating, and a direct WordPress.org link

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Grocery List

Smart grocery list with category grouping, quantity and unit fields, price tracking with running total, multiple lists, and print support

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Text Diff Checker

Compare two blocks of text line by line. Added lines are highlighted green, removed lines red. Shows line numbers, change stats, and an ignore-whitespace option.

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CSS Clip Path Generator

Build CSS clip-path shapes visually - polygon with drag handles, circle, ellipse, inset. 9 polygon presets including star, arrow, and hexagon.

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XML ↔ JSON Converter

Convert XML to JSON and JSON to XML with attribute handling, number/boolean parsing, pretty-print/minify, and file upload. Powered by fast-xml-parser.

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Markdown Editor & Preview

Write Markdown and see a live rendered preview side by side. Toolbar with bold, italic, headings, lists, code blocks, tables, and links. Export as .md or copy HTML.

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Kanban Board

A drag-and-drop Kanban board with customizable columns. Add cards with priorities, drag between columns, and all changes saved to your browser automatically.

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Barcode Decoder

Upload any image to decode barcodes - QR codes, Code 128, EAN, UPC, PDF417, Aztec, Data Matrix, and more. Uses your browser's native detection API.

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Font Pairing Tool

Browse 22 curated Google Font pairings with live preview - heading, body, button, and caption. Adjust font size, filter by category, and toggle dark mode.

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Code Snippet Manager

Save, search, and organize reusable code snippets in your browser. Multi-language, tagging, favorites, copy, and import/export as JSON.

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Number to Words Converter

Convert any integer up to 999 trillion into English words. Modes: cardinal (one thousand), ordinal (one thousandth), and currency (one thousand dollars and fifty cents).

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HTML Formatter

Beautify and format HTML code

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WordPress Plugin Detector

Detect all WordPress plugins installed on any website - see plugin name, version, author, active installs, rating, and WordPress.org links

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YouTube Region Restriction Checker

Check which countries can watch a YouTube video and where it's geo-blocked - instant results, no API key needed

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YouTube Video Revenue Estimator

Estimate YouTube earnings for a single video or an entire channel - with video length, audience retention, region tier, and multi-stream revenue breakdown

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Fuel Consumption Converter

Convert fuel efficiency between L/100km, mpg (US), mpg (UK), km/L, L/km, L/mile and gallons/100mi. Handles reciprocal unit relationships and US vs UK gallon difference

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Medication Reminder

Track medications with flexible schedules, mark doses as taken or skipped, monitor 30-day adherence, track refill counts, and export history as CSV

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QR Code Decoder

Decode QR codes from uploaded images, your camera, or a URL - supports URL, Wi-Fi, email, phone, vCard, iCal, geo-location, and plain text QR codes

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UUID Generator

Generate version 4 UUIDs in bulk (1–1,000). Options for uppercase, with/without hyphens, copy all, and download as .txt. Uses cryptographic randomness.

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Code Minifier & Beautifier

Minify or beautify JavaScript, CSS, and HTML. Shows original vs output size, compression percentage, line count. Copy or download the result.

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Habit Tracker

Track daily habits with a visual calendar grid. See streaks, completion rates, and progress over time. Add custom habits with colors and emojis. Auto-saved.

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Website Auto Reload

Auto-reload any website at custom intervals - choose 5 sec to 10 min, watch a live countdown, and track total reloads in an inline browser preview

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Power Converter

Convert power between watts, kilowatts, horsepower, BTU/h, tons of refrigeration, and 13 more units - for electrical engineering, mechanical systems, and HVAC

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SQL Formatter

Format messy SQL queries into clean, readable code. Choose keyword case (UPPER/lower), indentation (2 or 4 spaces), and minify option. Supports SELECT, INSERT, UPDATE, DELETE, and DDL.

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Browser Storage Inspector

View, edit, add, and delete localStorage, sessionStorage, and cookies. Inspect JSON values, search entries, and export all storage as JSON.

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ASCII Art Generator

Convert text to ASCII art using a canvas pixel-sampling engine. 8 character sets, 6 render fonts, adjustable column width, and invert mode.

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Base64 Encoder/Decoder

Encode and decode Base64 strings

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Ohm's Law Calculator

Solve for voltage, current, resistance, or power from any two known values. All SI prefixes and Ohm's law triangle diagram.

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Cron Expression Builder

Build and understand cron expressions visually. Enter minute, hour, day, month, and weekday fields, get a human-readable description, and preview the next 5 run times.

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HEX to RGB Converter

Convert HEX color codes to RGB values

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Live Website Screenshot

Auto-capture a live screenshot of any website as you type and monitor it with auto-refresh at custom intervals - no button press needed

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Energy Converter

Convert energy between joules, kilowatt-hours, BTU, calories, electron-volts, and 18 more units - for physics, engineering, chemistry, and everyday calculations

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Wire Gauge Converter

Convert AWG wire gauge to mm diameter, mm² area, circular mils, resistance (Ω/km), and ampacity. Look up SWG (British) gauges and find nearest AWG from any metric diameter.

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Frequency Converter

Convert between frequency units - Hz, kHz, MHz, GHz, THz, RPM, rad/s, cycles/min - for RF engineering, signal processing, and mechanical systems

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Download Time Calculator

Calculate file download and upload time at any speed. Shows time at 6 preset speeds. All size and speed units supported.

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CSS Formatter

Beautify and format CSS code

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Color Shade Generator

Generate a full palette of shades from any base color, export as CSS vars or Tailwind config

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RGB to HEX Converter

Convert RGB color values to HEX codes

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URL Encoder/Decoder

Encode and decode URLs and query strings

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Flow Rate Converter

Convert flow rates between L/s, m³/h, GPM, CFM, MGD, bbl/day, acre-ft/day, and 15 more units - for HVAC, plumbing, chemical engineering, and irrigation

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Angle Converter

Convert angles between degrees, radians, gradians, arcminutes, arcseconds, turns, mils, and 8 more units - for mathematics, engineering, navigation, and scientific calculations

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Hardness Scale Converter

Convert material hardness between Vickers (HV), Rockwell C (HRC), Rockwell B (HRB), Brinell (HBW), tensile strength (MPa/ksi) and Mohs scale per ASTM E140

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Statistical Tools

Calculate mean, median, mode, standard deviation, variance, quartiles, skewness, kurtosis, percentiles, correlation, and more. Supports comma, space, newline, and tab-separated input.

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Acceleration Converter

Convert between acceleration units including m/s², ft/s², g-force, and more. Essential for physics, automotive testing, and aerospace applications.

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Density Converter

Convert density between kg/m³, g/cm³, lb/ft³, lb/gal, oz/in³, slug/ft³, and 9 more units - for physics, chemistry, engineering, and materials science

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Solar Panel Calculator

Calculate daily and annual solar energy output, savings, payback period, and CO2 offset. 10 city peak sun presets.

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Bulk Screenshot Downloader

Capture screenshots of up to 20 websites at once and download them all as a single ZIP archive or individually

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Viscosity Converter

Convert between dynamic (Pa·s, cP, Poise) and kinematic (m²/s, cSt, Stokes) viscosity units across SI, CGS, and Imperial systems with a quick-access tabbed interface

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Angular Velocity Converter

Convert between angular velocity units including rad/s, deg/s, RPM, and more. Essential for mechanical engineering, robotics, and rotational motion analysis.

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Resistor Color Code Calculator

Decode 4-band and 5-band resistor color codes. Bidirectional: color to value and value to color, with visual diagram.

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Internet Speed Calculator

Convert network speed units (bps/Mbps/MB/s), check streaming quality, and calculate monthly data usage.

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Battery Life Calculator

Calculate battery runtime from capacity and current draw. Power-to-current conversion, Wh, and solar charging time.

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Moment of Force Converter

Convert moment of force units - N·m, kN·m, kip·ft, kip·in, kgf·m, tf·m, lbf·ft, and 9 more - essential for structural engineering, statics, and mechanical design

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Salinity / TDS Converter

Convert water salinity and Total Dissolved Solids (TDS) between mg/L, ppm, g/L, ppt, PSU, % w/v, ppb, and electrical conductivity (μS/cm, mS/cm)

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Typography Converter

Convert between typography units - pt, px, em, rem, pc, in, cm, mm, twip, Didot, Cicero - for web design, print layout, and desktop publishing

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Concentration – Solution Converter

Convert mass concentration between g/L, mg/L, μg/L, ng/L, kg/m³, g/mL, mg/mL, g/dL, mg/dL, % (w/v), ppm, ppb, and ppt

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Data Transfer Converter

Convert data transfer rates between bps, kbps, Mbps, Gbps, Tbps, Pbps, B/s, kB/s, MB/s, GB/s, Kibps, Mibps, Gibps, KiB/s, MiB/s, GiB/s

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Projectile Motion Calculator

Calculate range, max height, flight time, and impact velocity from initial speed and angle. Metric and imperial.

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Viscosity – Dynamic Converter

Convert dynamic (absolute) viscosity between Pa·s, mPa·s, μPa·s, Centipoise, Poise, lbf·s/ft², lb/(ft·s), lbf·s/in², kgf·s/m², and more across SI, CGS, and Imperial systems

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Concentration Converter

Convert between concentration units including mass fraction, mole fraction, ppm, ppb, and more. Essential for chemistry labs, environmental testing, and pharmaceuticals.

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Capacitor Calculator

Calculate capacitor charge, energy, RC time constant, and series/parallel capacitor combinations.

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Heat Density Converter

Convert heat density units - J/m³, MJ/m³, BTU/ft³, kWh/L, cal/cm³, kcal/m³, therm/ft³, and 9 more - essential for thermal energy storage, natural gas metering, and battery design

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Geodetic Coordinate Converter

Convert between Geographic (lat/lon/height), ECEF (X/Y/Z), and ENU (East/North/Up) coordinate systems across 7 reference ellipsoids including WGS84, GRS80, and Bessel 1841

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pH Converter

Convert between pH, pOH, [H⁺] and [OH⁻] concentrations - with interactive slider, color indicator, and acid/base/neutral classification at 25°C

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Logarithmic Converter

Convert between logarithmic units including decibels (dB), Nepers, Bels, power ratios, amplitude ratios, and percentage changes. Essential for audio engineering, signal processing, and acoustics.

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Concentration – Molar Converter

Convert molar concentration between mol/L (M), mM, μM, nM, pM, fM, mol/m³, kmol/m³, mol/mL, mol/dL, and more

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Viscosity – Kinematic Converter

Convert kinematic viscosity between m²/s, Centistokes (cSt), Stokes (St), mm²/s, cm²/s, ft²/s, ft²/h, in²/s, in²/h across SI, CGS, and Imperial systems

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Astronomical Distance Converter

Convert between cosmic distance units - AU, light-year, parsec, megaparsec, light-second, Ångström, km - for astronomy, astrophysics, and cosmology

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Specific Heat Capacity Converter

Convert specific heat capacity between J/(kg·K), kJ/(kg·K), cal/(g·°C), kcal/(kg·°C), BTU/(lb·°F), Wh/(kg·K), and ft·lbf/(lb·°F)

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Heat Flux Density Converter

Convert heat flux density units - W/m², BTU/(hr·ft²), kW/m², cal/(s·cm²), kcal/(hr·m²), W/cm², and more - essential for heat transfer analysis, HVAC design, and solar engineering

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Linear Charge Density Converter

Convert between 24 linear charge density units - C/m, μC/m, nC/m, pC/m, C/cm, C/in, abC/m, statC/cm - for electrical engineering and electrostatics

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Heat Transfer Converter

Convert between heat transfer coefficient units including W/m²·K, BTU/hr·ft²·°F, cal/s·cm²·°C, and more. Perfect for engineering, HVAC, construction, and thermal analysis.

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Temperature Interval Converter

Convert temperature differences (intervals) between Kelvin, Celsius, Fahrenheit, Rankine, Réaumur, Newton, Rømer, and Delisle - not absolute temperatures

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Reynolds Number Calculator

Calculate Reynolds number for pipe flow. Laminar/turbulent classification with preset fluids and critical velocity.

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Magnetic Flux Density Converter

Convert between magnetic flux density (B-field) units - Tesla, Gauss, Microtesla, Nanotesla, Weber/m², gamma - for electromagnetics, MRI, and geophysics

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Polar to Cartesian Converter

Convert between polar (r, θ), Cartesian (x, y), cylindrical (r, θ, z), spherical (ρ, θ, φ) coordinates, and complex number forms. Supports degrees, radians, and gradians.

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Thermal Conductivity Converter

Convert thermal conductivity between W/(m·K), BTU·in/(h·ft²·°F), BTU/(h·ft·°F), cal/(s·cm·°C), kcal/(h·m·°C), and more

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Beam Load Calculator

Calculate bending moment, shear force, and deflection for simply supported and cantilever beams.

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Mass Flow Rate Converter

Convert mass flow rate units - kg/s, kg/h, lb/min, lb/h, g/s, t/h, oz/min, slug/s, and more - essential for chemical engineering, fluid dynamics, and process design

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Linear Current Density Converter

Convert between 24 linear current density units - A/m, μA/m, nA/m, A/cm, A/in, abA/m, statA/cm - for electrical engineering and electromagnetics

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Fuel Efficiency (Mass) Converter

Convert fuel consumption by mass: kg/100km, g/km, mg/km, lb/100mi, oz/100mi, lb/mi, oz/mi, kg/mi, g/mi - used for emissions testing, CO₂ reporting, and heavy vehicle fuel tracking

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Molarity Converter

Convert between concentration units - Molar, mM, μM, nM, pM, fM, mol/m³, mol/mL - for chemistry, biochemistry, pharmacology, and analytical science

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Radiance/Irradiance Converter

Convert between W/m², mW/cm², BTU/hr·ft², cal/cm²·min, erg/cm²·s, and solar flux units. Essential for optics, solar energy, and environmental science.

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Moment of Inertia Converter

Convert between moment of inertia units including kg·m², lb·ft², and more. Essential for mechanical engineering and rotational dynamics.

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Thermal Resistance Converter

Convert thermal resistance and R-values between K/W, m²·K/W (RSI), h·ft²·°F/BTU (US R-value), h·°F/BTU, and caloric units

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Sound Converter

Convert sound pressure (Pa ↔ dB SPL), sound intensity (W/m² ↔ dB SIL), sound power (W ↔ dB SWL), and level ratios (dB ↔ bel ↔ neper ↔ centibel)

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Pipe Volume Calculator

Calculate pipe internal volume, weight, and flow rate. Multi-segment support with liters, gallons, and cubic meter outputs.

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Prefixes Converter

Convert between all 25 SI prefixes - from quecto (10⁻³⁰) to quetta (10³⁰) - including the 2022 CGPM additions ronna, quetta, ronto, and quecto

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Mass Flux Density Converter

Convert mass flux density units - kg/(m²·s), lb/(ft²·h), g/(cm²·s), g/(cm²·min), t/(m²·h), and more - essential for mass transfer analysis, membrane filtration, and chemical engineering

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Surface Current Density Converter

Convert between 24 current density units - A/m², A/cm², A/mm², mA/cm², A/in², abA/cm², statA/cm² - for electrical engineering, electrochemistry, and electromagnetics

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Environmental Dose Converter

Convert between environmental dose units including rad, gray, sievert, and rem. Essential for radiological protection, environmental monitoring, and health physics.

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Angular Acceleration Converter

Convert between angular acceleration units including rad/s², deg/s², and more. Essential for mechanical engineering and rotational dynamics.

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Thermal Expansion Converter

Convert linear thermal expansion coefficients between K⁻¹, °C⁻¹, °F⁻¹, ppm/K, ppm/°C, ppm/°F, μm/(m·K), and mm/(m·K)

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Radiation Activity Converter

Convert between radioactivity units - Becquerel, Curie, MBq, GBq, μCi, pCi, Rutherford, dpm - for nuclear medicine, radiation safety, and radiochemistry

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Matrix Unit Converter

Apply unit conversions and normalizations to 2×2, 3×3, or 4×4 matrices. Computes determinant, trace, rank, Frobenius norm, eigenvalues (2×2), inverse, and transpose. Essential for linear algebra and engineering.

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Digital Image Resolution Converter

Convert image resolution between DPI, PPI, LPI, DPCM, dots/mm, dots/m, pixels/cm, pixels/mm, dots/foot, and dots/yard

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Electric Potential Converter

Convert electric potential (voltage) between volt, millivolt, microvolt, nanovolt, pikovolt, kilovolt, megavolt, gigavolt, abvolt, and statvolt

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Surface Tension Converter

Convert surface tension between N/m, mN/m, μN/m, J/m², mJ/m², dyn/cm, erg/cm², lbf/ft, lbf/in, and pdl/ft

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Current Converter

Convert electric current between ampere, mA, μA, nA, pA, kA, MA, GA, abampere, and statampere

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Electric Resistance Converter

Convert electric resistance between ohm, milliohm, microohm, nanoohm, kilohm, megohm, gigohm, teraohm, abohm, and statohm

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Surface Charge Density Converter

Convert surface charge density units - C/m², µC/cm², mC/m², nC/m², C/in², statC/cm², abC/cm², e/nm², and more - essential for electrical engineering, electrostatics, and semiconductor physics

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Radiation Converter

Convert between radiation dose equivalent units - Sievert, mSv, μSv, Rem, mrem - for radiation protection, medical imaging, and nuclear safety

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Soil Moisture Converter

Convert between soil moisture units including volumetric, gravimetric, and saturation percentage. Essential for agriculture, geoscience, soil science, and environmental monitoring.

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Illumination Converter

Convert illuminance between lux, kilolux, millilux, microlux, lm/m², foot-candle, phot, milliphot, lm/ft², and nox

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Charge Converter

Convert electric charge between coulomb, mC, μC, nC, pC, kC, abcoulomb, statcoulomb, faraday, ampere-hour, mAh, and elementary charge

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Electrostatic Capacitance Converter

Convert capacitance between farad, millifarad, microfarad, nanofarad, picofarad, femtofarad, kilofarad, abfarad, and statfarad

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Radiation Absorbed Dose Converter

Convert between absorbed radiation dose units - Gray, rad, milliGray, cGy, erg/g, kGy - for radiation therapy, nuclear safety, and food irradiation

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Electric Resistivity Converter

Convert electrical resistivity between Ω·m, mΩ·m, μΩ·m, nΩ·m, Ω·cm, μΩ·cm, Ω·in, Ω·ft, and Ω·cmil/ft

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Electric Conductivity Converter

Convert electrical conductivity between S/m, mS/m, μS/m, kS/m, MS/m, S/cm, mS/cm, μS/cm (EC), and S/mm

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Gravitational Units Converter

Convert between gravitational acceleration units - g, m/s², Gal, mGal, ft/s², milli-g, micro-g - for geophysics, aerospace, and accelerometer engineering

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Luminance Converter

Convert luminance between cd/m² (nit), stilb, lambert, millilambert, apostilb, foot-lambert, cd/ft², cd/in², and skot

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Electric Field Strength Converter

Convert electric field strength between V/m, kV/m, MV/m, V/cm, kV/cm, V/mm, kV/mm, V/in, kV/in, V/ft, kV/ft, and statV/cm

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Inductance Converter

Convert inductance between henry, millihenry, microhenry, nanohenry, picohenry, kilohenry, abhenry, and stathenry

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Magnetomotive Force Converter

Convert between magnetomotive force units - Ampere-turn, Gilbert, Kiloampere-turn, Biot - for magnetic circuit design, transformer and motor engineering

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Electric Conductance Converter

Convert electrical conductance between siemens, millisiemens, microsiemens, nanosiemens, kilosiemens, mho, mmho, abmho, and statmho

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Magnetic Flux Converter

Convert magnetic flux between weber, milliweber, microweber, nanoweber, kiloweber, volt-second, maxwell, kiloweber, megamaxwell, and unit pole

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Radiation Exposure Converter

Convert between radiation exposure units - Roentgen, Coulomb/kg, mC/kg, μC/kg, mR, μR - for X-ray dosimetry, radiation safety, and medical physics

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Magnetic Field Strength Converter

Convert magnetic field strength (H-field) between A/m, mA/m, kA/m, MA/m, A/cm, A/mm, A/in, oersted, millioersted, and gilbert/cm

Live

Blackbody Radiation Peak Converter

Calculate peak wavelength and frequency from blackbody temperature using Wien's displacement law - bidirectional T↔λ with spectrum region indicator

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Permeability Converter

Convert magnetic permeability between H/m, mH/m, μH/m, nH/m, T·m/A, Wb/(A·m), N/A², V·s/(A·m), and multiples of μ₀

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Luminous Intensity Converter

Convert luminous intensity between candela, millicandela, kilocandela, lm/sr, candlepower, Hefnerkerze, and carcel

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About our developer tools

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