The Tool Hub Blog

Simulate the unpredictable and chaotic motion of a double pendulum using RK4 numerical integration. Trace beautiful glowing paths.

Compute digits of Pi using 1D elastic collisions between sliding blocks. A mind-blowing demonstration of kinematics.

Build your own solar system. Drop planets and stars and watch them orbit based on Newton's law of universal gravitation.

Fire a cannon to calculate max height, range, and time of flight. Adjust angle, velocity, and gravity in real-time.

Experiment with lenses and mirrors. Watch neon lasers bend in real-time using Snell's Law and geometry.

Drag-and-drop circuit simulator for AND, OR, NOT gates, switches, and LEDs. Perfect for CS302 students.

Virtual microcontroller board to safely test GPIO pin states, High/Low logic, and LED connections.

Interactive Matter.js sandbox. Tweak gravity, friction, and drop boxes into a realistic physics world.

Navigate the entire site using voice commands. Powered by native Web Speech API.

Visually design and export Sci-Fi heads-up display UI elements using SVG & Tailwind.

Military-grade, offline file encryption and decryption using Web Crypto API.

Stress test your CPU/GPU using a 3D animated Arc Reactor and get your Power Score.

Control the screen with your hands in the air using MediaPipe AI models.

100% offline WebGPU-powered AI chatbot using WebLLM (Phi-3). Zero server logging.

Convert AAC to FLAC seamlessly in your browser with zero data uploads.

Convert AAC to M4R seamlessly in your browser with zero data uploads.

Convert AAC to MP3 seamlessly in your browser with zero data uploads.

Convert AAC to MP4 seamlessly in your browser with zero data uploads.

Convert AAC to WAV seamlessly in your browser with zero data uploads.

Convert AVI to GIF seamlessly in your browser with zero data uploads.

Convert AVI to MKV seamlessly in your browser with zero data uploads.

Convert AVI to MOV seamlessly in your browser with zero data uploads.

Convert AVI to MP3 seamlessly in your browser with zero data uploads.

Convert AVI to MP4 seamlessly in your browser with zero data uploads.

Convert GIF to MOV seamlessly in your browser with zero data uploads.

Convert GIF to WEBM seamlessly in your browser with zero data uploads.

Convert M4A to MP3 seamlessly in your browser with zero data uploads.

Convert M4A to MP4 seamlessly in your browser with zero data uploads.

Convert M4A to WAV seamlessly in your browser with zero data uploads.

Convert MKV to AVI seamlessly in your browser with zero data uploads.

Convert MKV to GIF seamlessly in your browser with zero data uploads.

Convert MKV to MOV seamlessly in your browser with zero data uploads.

Convert MKV to MP3 seamlessly in your browser with zero data uploads.

Convert MKV to MP4 seamlessly in your browser with zero data uploads.

Convert MOV to AVI seamlessly in your browser with zero data uploads.

Convert MOV to GIF seamlessly in your browser with zero data uploads.

Convert MOV to MP3 seamlessly in your browser with zero data uploads.

Convert MOV to MP4 seamlessly in your browser with zero data uploads.

Convert MOV to WAV seamlessly in your browser with zero data uploads.

Convert MP4 to AVI seamlessly in your browser with zero data uploads.

Convert MP4 to GIF seamlessly in your browser with zero data uploads.

Convert MP4 to MOV seamlessly in your browser with zero data uploads.

Convert MP4 to MP3 seamlessly in your browser with zero data uploads.

Convert MP4 to OGG seamlessly in your browser with zero data uploads.

Convert MP4 to WAV seamlessly in your browser with zero data uploads.

Convert MP4 to WEBM seamlessly in your browser with zero data uploads.

Convert OGG to MP3 seamlessly in your browser with zero data uploads.

Convert OGG to WAV seamlessly in your browser with zero data uploads.

Convert Video to WebP seamlessly in your browser with zero data uploads.

Convert WEBM to MOV seamlessly in your browser with zero data uploads.

Convert WEBM to MP3 seamlessly in your browser with zero data uploads.

Convert WEBM to MP4 seamlessly in your browser with zero data uploads.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Advanced local video editing tool using FFmpeg WASM.

Auto-generate accurate SRT subtitles for any video offline.

Convert audio files into raw text transcripts locally using AI.

Extract spoken words from videos into text files.

Transcribe long podcasts and summarize the key points.

Get accurate word-by-word transcriptions of massive podcasts.

Accurately convert video dialogue to text in your browser.

Generate raw transcripts of YouTube videos by URL.

Convert YouTube videos to text using advanced AI Whisper models.

Convert a 2D SVG logo into a rotating 3D React Three Fiber component.

Automatically detects faces to center crops for 10 social formats.

Record screen & circular webcam simultaneously. Zero uploads.

Instantly generate all iOS and Android icon sizes from a single image.

Create beautiful wavy, angled, or spiky dividers for landing pages.

Overlay your designs on T-shirts and digital frames instantly.

Turn any shape into a seamless, repeating background pattern.

Test and pair English and Urdu fonts in real-time.

Turn code snippets into beautiful, shareable Mac-style images.

Convert MP4 to high-quality GIFs using browser-based FFmpeg.

Convert text to beautiful shareable social media images.

Inspect GLTF/GLB 3D models interactively in the browser.

Clean and minify heavy SVG files to reduce size up to 50%.

High-quality, in-browser conversion between PNG, JPG, and WebP.

Create modern UI effects with sliders and copy the CSS code.

Extract dominant HEX and RGB colors from any image locally.

Wrap your screenshots in beautiful 3D browser and device frames.

Resize and watermark multiple images instantly in your browser.

See how your designs look to users with different types of color blindness.

Full-screen teleprompter with mirror mode and custom scroll speed.

Export vector SVGs to massive print-ready resolutions without quality loss.

Arrange exact 85.6×54mm ID cards on A4 with cut guides. Front/back support.

Auto-grid passport/NIC photos on A4 or 4x6 paper with scissor-cut guides.

Resize + compress to exact px dimensions AND KB limit. Binary search precision.

URL ya source code daao — SVG, images, fonts, icons sab ek gallery mein download karo.

Document ko Eco Mode mein convert karo. 30-70% printer ink bachao locally.

Logo + colors + topic → 8 professional social posts ready to download!

Bulk convert .docx files to PDFs perfectly purely in the browser.

Remove shadows, whiten background and sharpen text — CamScanner in browser.

Re-arrange PDF pages into booklet layout. Print, fold, staple — done!

4 compression levels. Renders pages via Canvas to shrink heavy PDFs locally.

PDF/CSV statement drop karo — Income, Bills & Expenses locally categorize ho ke CSV export mile.