Every tool you need,
free & private
390+ PDF, image, SEO, writing, business, student, and developer tools that run entirely in your browser. No uploads, no installs, no sign-up.
2M+
Files Processed
by users worldwide
50+
Free Tools
across 7 categories
0
Account Needed
just open and use
100%
Browser-Based
your files stay local
Tool Categories
Browse by category to find what you need
PDF Tools
Merge, split, compress, and convert PDF files with ease
Image Tools
Compress, resize, crop, and convert images in your browser
SEO Tools
Analyze, optimize, and improve your website's SEO
Writing Tools
Word count, case convert, and clean up your text
Business Tools
Generate invoices, receipts, and calculate business metrics
Student Tools
GPA calculators, citation generators, and study helpers
Developer Tools
Format JSON, generate QR codes, encode/decode, and more
Popular Tools
Most used tools by our community
JSON Formatter
Format, validate, and beautify JSON data
Word Counter
Count words, characters, sentences, and paragraphs instantly
Currency Converter
Convert between 150+ currencies with live market exchange rates updated daily
QR Code Generator
Generate QR codes for URLs, text, WiFi, and more
Crypto & Currency Converter
Convert between 30+ cryptocurrencies and 55+ fiat currencies at live market rates - with price charts and a top-20 market overview
Wordle Game
Classic 5-letter word guessing game. 6 attempts, color-coded feedback, virtual keyboard, hard mode, and win/loss statistics. Unlimited plays.
Sudoku Game
Full Sudoku with 4 difficulty levels (Easy–Expert), pencil marks, conflict highlighting, hints, and timer.
Image Compressor
Compress JPG, PNG, and WebP images without losing quality
GPA Calculator
Calculate your GPA with any grading scale
Unit Converter
Convert between 130+ units across 13 categories: length, weight, temperature, volume, area, speed, time, data, pressure, energy, power, frequency, and angle
HTML, CSS & JS Editor
Live browser-based HTML, CSS and JavaScript editor with instant preview, console output, device preview, and 7 starter templates
Temperature Converter
Convert absolute temperatures between Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, and Rømer. All 8 scales shown simultaneously with quick-reference presets.
Editor's Picks
Hand-picked tools loved by professionals
Merge PDF
Combine multiple PDF files into a single document instantly
Split PDF
Split a PDF into multiple separate documents by page range
JPG to PDF
Convert JPG images to a PDF document quickly
Image Compressor
Compress JPG, PNG, and WebP images without losing quality
Image Resizer
Resize images to any dimension while maintaining aspect ratio
WebP Converter
Convert images to and from WebP format
Blog SEO Analyzer
Analyze your blog post's SEO and get a detailed score
Keyword Density Checker
Check keyword density and frequency in your content
Meta Tag Checker
Check your meta title and meta description for SEO best practices
Schema Markup Generator
Generate JSON-LD schema markup for 16 schema types - Article, Product, FAQ, Event, Recipe, HowTo, LocalBusiness, Job Posting, and more
Open Graph Tag Generator
Generate complete Open Graph, Twitter Card, and social meta tags - with live card preview for Facebook, LinkedIn, Twitter/X, and validation
Word Counter
Count words, characters, sentences, and paragraphs instantly
Case Converter
Convert text between uppercase, lowercase, title case, and more
Invoice Generator
Create professional invoices and download as PDF
Visiting Card Generator
Design and download a professional visiting card as a print-ready PDF with multiple templates
EMI Calculator
Calculate monthly EMI, total interest, and amortization schedule for any loan
Currency Converter
Convert between 150+ currencies with live market exchange rates updated daily
Retirement Savings Calculator
Plan your retirement with confidence - calculate your projected balance, monthly income, and how long your savings will last using compound interest and the 4% rule
Savings Goal Calculator
Calculate how long to reach your savings goal or how much to save monthly with compound interest, inflation adjustment, and year-by-year breakdown
Interest Calculator
Calculate simple and compound interest - find future value, total interest earned, and effective annual rate with year-by-year breakdown
Loan Calculator
Calculate monthly loan payments, total interest, full amortization schedule, and how extra payments shorten your loan
Gold Price Calculator
Calculate the live market value of gold by weight, karat, and currency - with markup, all-karat reference table, and multi-currency breakdown
GPA Calculator
Calculate your GPA with any grading scale
Unit Converter
Convert between 130+ units across 13 categories: length, weight, temperature, volume, area, speed, time, data, pressure, energy, power, frequency, and angle
JSON Formatter
Format, validate, and beautify JSON data
QR Code Generator
Generate QR codes for URLs, text, WiFi, and more
HTML, CSS & JS Editor
Live browser-based HTML, CSS and JavaScript editor with instant preview, console output, device preview, and 7 starter templates
Crypto & Currency Converter
Convert between 30+ cryptocurrencies and 55+ fiat currencies at live market rates - with price charts and a top-20 market overview
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
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.
Birthday & Anniversary Countdown
Track birthdays, anniversaries, and special dates with live day-hour-minute-second countdowns, yearly recurrence, reminders, and full-screen display
Demo Personal Info Generator
Generate complete fake personal profiles for testing - name, contact, address, job, financial, physical, and 60+ other fields with one click
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
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
Live Website Preview
Preview any website live inside a simulated browser frame - test responsiveness across Desktop, Laptop, Tablet, and Mobile viewports instantly
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
Color Wheel
Interactive color wheel to explore harmonies - pick any color and instantly generate Complementary, Analogous, Triadic, Split-Complementary, Tetradic, or Monochromatic palettes
SSL Checker
Check SSL/TLS certificate validity, expiry date, issuer, TLS version support, and security headers for any domain
YouTube Video Statistics
Fetch live YouTube video statistics - views, duration, publish date, category, tags, channel subscriber count, and more for any public video
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
Advanced Online Notepad
A feature-rich browser notepad with multiple notes, markdown formatting toolbar, find & replace, color coding, auto-save, and export to TXT or Markdown
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
Countdown Timer
Multi-timer countdown with Pomodoro presets, loop mode, audio alerts, browser notifications, and visual progress rings
Scoreboard
Live scoreboard for any sport or game - track scores, fouls, sets, and time across 2–8 teams with sport presets and fullscreen display
All-in-One Wish Generator
Generate personalized wishes for any occasion - birthday, anniversary, wedding, Eid, and 16 more events - with tone, relationship, length, and emoji options
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.
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.
Gitignore Generator
Generate a perfect .gitignore file by selecting your languages, frameworks, IDEs, and operating systems. Combines templates and removes duplicates automatically.
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.
Periodic Table
Interactive periodic table with all 118 elements - color-coded categories, search, state/block filters, and a full property detail panel.
Physics Formula Sheet
Reference of 40+ physics formulas across 8 categories with variable definitions, units, usage notes, and built-in mini-calculators.
New Tools
Fresh tools added to our growing collection
How It Works
Get results in seconds - no learning curve, no account, no frustration.
Choose a Tool
Browse by category or search for the exact tool you need. With 50+ options across 7 categories, you'll find it in seconds. Every tool has a clear description so you know exactly what it does before you open it.
Upload or Input
Drop your file, paste your text, or fill in the fields. No login forms, no email confirmations, no waiting. Just drag, drop, and go. Most tools accept multiple files at once for bulk processing.
Get Your Result
Download your file, copy the output, or share it directly. Everything processes in your browser - instant and completely private. No file size limits, no watermarks, no ads blocking your download.
Built for everyone, designed to be fast
We believe productivity tools should be free, fast, and private. No bloat, no paywalls.
Privacy First
Files are processed in your browser. We never store your data.
Lightning Fast
No queues. No waiting. Results in seconds.
Works Everywhere
Any device. Any browser. No installation needed.
Always Free
No subscriptions, no trials, no paywalls. Ever.
Your Privacy is Our Priority
Unlike many online tools, TechTools processes your files directly in your browser whenever possible. Your documents, images, and data never leave your device - no uploads, no servers, no risk.
Local processing
Files are handled entirely in your browser - nothing is sent to a server.
Zero data storage
We never store, log, or retain your files or file content.
No content tracking
Analytics never touch what's inside your documents or images.
Encrypted connections
All traffic runs over HTTPS to keep your session private.
Formats We Support
TechTools works with the file types and data formats you actually use every day - no obscure requirements, no conversion needed before converting.
Documents & PDFs
Merge, split, compress, reorder, watermark, and extract data from PDFs. Convert between PDF and image formats with no quality loss.
Images & Graphics
Compress JPG, PNG, WebP, and GIF files. Resize, crop, convert between formats, and extract EXIF metadata - all in your browser.
Code & Data
Format and validate JSON, encode/decode Base64 and URLs, generate QR codes, create passwords, and work with HTML, CSS, and JS.
Loved by Thousands
From students and freelancers to developers and business owners - here's what people say about TechTools.
I use TechTools every single day for compressing images and converting PDFs. It's faster than any desktop app I've tried, and I love that my files never leave my computer.
Sarah M.
Freelance Designer
The JSON formatter and Base64 encoder are my go-to tools. No bloat, no ads, just instant results. Exactly what a developer needs.
James K.
Software Developer
The citation generator and GPA calculator saved me hours every semester. TechTools is the first tab I open when I sit down to study.
Priya N.
University Student
I generate invoices and calculate VAT every week using TechTools. It replaced three separate subscriptions I was paying for before.
Marcus T.
Small Business Owner
Explore by Use Case
Quick access to the most useful tools in each category
For Documents
- Merge PDF
- Split PDF
- JPG to PDF
For Images
- Compress Images
- Resize Images
- WebP Converter
For SEO
- Blog SEO Analyzer
- Keyword Density
- Meta Tag Checker
For Business
- Invoice Generator
- VAT Calculator
- Profit Margin
For Students
- GPA Calculator
- Citation Generator
- Word Counter
For Developers
- JSON Formatter
- QR Code Generator
- Password Generator
Stay Updated
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- New tool announcements
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- Practical tips & workflows
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Guides & tutorials
Get more out of every tool with our latest how-tos.
How to Compress PDF Without Losing Quality
Learn the techniques that shrink PDF file size dramatically while keeping text crisp and images readable - all in your browser.
WebP vs JPG vs PNG: Which Image Format Should You Use?
A practical comparison of the three formats that run the web - when each one wins, and how to convert between them losslessly.
SEO Meta Tags: The Complete Guide for 2025
Title tags, meta descriptions, and Open Graph tags explained - with the exact lengths and patterns that win clicks in search and social.
Frequently Asked Questions
Everything you need to know about TechTools