About AI Toolbox

AI Toolbox is a free, open collection of browser-based media tools built for creators, editors, and anyone who needs to process video, audio, or images without uploading files to a server. Every tool runs entirely on your device — your files never leave your browser.

Why We Built This

Most online media tools follow the same pattern: upload your file, wait for a remote server to process it, then download the result. That workflow is slow, raises privacy concerns, and often comes with file-size caps or watermarks unless you pay.

We wanted a different approach. Modern browsers support WebAssembly, a technology that lets complex software — like the industry-standard FFmpeg video processor — run directly inside a browser tab. That means a video splitter or audio extractor can offer the same power as desktop software without requiring any installation, account creation, or file upload.

AI Toolbox was created to make that technology accessible. We handle the engineering complexity so you get a simple drag-and-drop interface backed by professional-grade processing.

Our Tools

Every tool is free, runs locally, and produces output with no watermarks or quality restrictions.

  • Video Splitter — Cut videos into clips by timestamp, duration, file size, or equal parts. Fast Mode splits instantly using stream copy; normal mode re-encodes for frame-accurate cuts.
  • Video Converter — Convert between 12 video formats including MP4, WebM, MKV, MOV, and AVI. Control output quality and encoding speed for the right balance of file size and visual fidelity.
  • Audio Extractor — Pull audio tracks from video files and save as MP3, WAV, FLAC, AAC, or OGG. Choose lossless formats to preserve full quality or lossy formats for smaller files.
  • Audio Splitter — Divide audio files into segments by timestamp, duration, size, or equal parts. Ideal for splitting podcast episodes, creating ringtones, or breaking long recordings into chapters.
  • Image Cropper — Crop images with preset aspect ratios or freeform selection. Supports JPEG, PNG, WebP, BMP, and AVIF with adjustable output quality.

How It Works Under the Hood

The core of our video and audio tools is FFmpeg compiled to WebAssembly (FFmpeg.wasm). FFmpeg is the same open-source multimedia framework used by professional video editors, streaming platforms, and media companies worldwide. By compiling it to WebAssembly, we bring that processing power into your browser without any plugins or downloads.

When you load a file into one of our tools, the file stays in your browser's memory. FFmpeg.wasm processes it locally, and the output is generated on your machine. At no point does any data leave your device. When you close the browser tab, everything is cleared automatically.

Our image cropper uses the native HTML5 Canvas API, which is even lighter — no additional libraries needed for pixel-perfect cropping and format conversion.

Privacy by Design

Privacy is not a feature we added — it is a consequence of how our tools are built. Because all processing happens locally in your browser:

  • Your files are never uploaded to any server
  • There are no server logs of your media content
  • No account is required to use any tool
  • No third party ever sees or accesses your files
  • Closing the tab permanently removes all processed data

This makes our tools suitable for sensitive, personal, or confidential content where uploading to a third-party server is not acceptable.

No Limits, No Catches

There are no file-size caps imposed by our servers because there are no servers involved in processing. The only constraint is your device's available memory. You can process files of any length or resolution, run the tools as many times as you want, and every output is delivered without watermarks or branding.

Browser Compatibility

AI Toolbox works best on Chromium-based browsers (Chrome, Edge, Brave) which offer the strongest WebAssembly performance. Firefox and Safari are supported for smaller files. On mobile, Chrome for Android handles most videos well; iOS Safari has more limited WebAssembly performance and is best suited for shorter files.

Get in Touch

Have a question, found a bug, or want to suggest a new tool? We'd like to hear from you. Visit our contact page to reach the team.