35+ Free Online Tools
all in one toolbox.
Compress images & PDFs, convert formats, edit videos & audio, draw on a whiteboard, and more — all directly in your browser. No uploads. Zero wait time.
All-in-One Free Online Toolbox
PDF, image, video, audio, text & time tools — all browser-based, securely processed on your device.
PDF Tools
PDF to Image
Convert every page into high-quality PNG, JPG, or WebP.
Merge PDF
Combine multiple PDF files into a single document.
Compress PDF
Reduce PDF file size while preserving readability.
PDF to Word
Convert PDF to editable Word (.docx). Preserves text and layout.
Word to PDF
Convert Word (.docx) to PDF. Preserves formatting and styles.
Image Tools
Image to PDF
Convert multiple images into a single PDF or separate PDF files.
Compress Image
Reduce image file size while preserving quality. Batch supported.
JPG to PNG
Convert JPG images to lossless PNG format.
PNG to JPG
Convert PNG images to compact JPG format.
JPG to WebP
Convert JPG to modern WebP. 30% smaller.
PNG to WebP
Convert PNG to WebP with transparency kept.
WebP to JPG
Convert WebP to universally compatible JPG.
WebP to PNG
Convert WebP to lossless PNG format.
Image Grid Split
Split any image into a 3×3 nine-grid. Download all 9 pieces as ZIP.
Crop Image
Crop images with locked aspect ratios or free crop. Export as lossless PNG.
Image Resizer
Resize images to any dimension. Social media presets for Instagram, Twitter & more.
Video Processing
Compress videos right in your browser. Powered by FFmpeg WebAssembly — no uploads needed.
Compress Video
Reduce video file size while maintaining quality. MP4, WebM, MOV supported.
Video to GIF
Convert video clips to animated GIFs. Mark start & end points, adjust FPS and size.
Video to Audio
Extract audio from any video file and download as lossless WAV. MP4, WebM, MOV supported. 100% in-browser.
Audio Conversion
Convert between popular audio formats directly in your browser. No uploads, no servers.
Text Analysis
Count characters, words and more. Perfect for essays, papers and social media posts.
Time Management
Millisecond precision timers for workouts, cooking, studying and more. All running locally in your browser.
Stopwatch
Millisecond precision stopwatch with lap tracking. Start, pause, resume and record splits.
Countdown Timer
Set any duration and count down with millisecond precision. Audio alert when time is up.
World Clock
Live time in 80+ cities worldwide. Your local clock on top, search by city or timezone.
Unleash Your Creativity
Draw, sketch, annotate — all in your browser with zero installs.
Whiteboard
Free drawing board with pen, shapes, text. Customizable brush colors & sizes. Export as PDF or PNG.
What to Eat?
Can't decide on a meal? Pick breakfast, lunch, or dinner and get a random suggestion instantly.
Ask Fate
When in doubt, let the universe decide. Type a question and receive a mystical answer once per day.
Keyboard Tester
Test every key on your keyboard. Visual map lights up on press. Find broken or stuck keys instantly.
Random Spinner
Custom spinning wheel with up to 15 options. Add your choices, spin, and let fate decide for you.
Reaction Time Test
Test your reflexes with 4 modes: click, spacebar, visual choice & speed round. See your speed in milliseconds.
CPS Test
Measure clicks per second with 1, 5, 10, 30 & 60 second modes. Track burst speed, consistency, and personal bests.
Aim Trainer
Practice your mouse accuracy & reaction speed. Adjustable speed, custom target count. Like Aim Lab, but free in your browser.
QR Code Generator
Create custom QR codes for URLs, text, Wi-Fi & email. Custom colors, multiple sizes. Download as PNG.
Pixel Art Converter
Turn any image into pixel art with retro presets (Game Boy, NES, SNES). Adjustable resolution & color palette.
Coin Flip
Flip a coin online with 3D animation. Fair 50/50 heads or tails. Track flip history, streaks & statistics.
Dice Roller
Roll 1 to 6 dice online with animation. Track roll history, value distribution & statistics. Perfect for board games.
100% Browser-Based, Zero Uploads.
Unlike traditional online tools, ToolKnit uses WebAssembly to compress, convert and edit your files directly in your browser. No server uploads, no data retention.
Zero Wait Time
No upload or download delays. It processes at the speed of your device.
Start Using Free Tools Now
No signup required. Compress, convert and edit — all free, all in your browser.