Video & Audio tools — Free Online Video & Audio Tools
Convert and trim audio, compress and re-encode video, extract audio, turn clips into GIFs, plus YouTube and subtitle helpers — all running in your browser.
Video & audio tools that run on your device using ffmpeg.wasm — your files never leave your computer. The first conversion takes a few seconds longer because the WebAssembly engine has to download (~30 MB), then everything is instant.
Compare Video & Audio tools — Free Online Video & Audio Tools
Frequently asked questions
- Are the video tools free with no watermark?
- Yes. Every video and audio tool on this page is free, no signup, and adds no watermark.
- Do my videos get uploaded?
- No — video and audio processing runs entirely in your browser using ffmpeg.wasm. Even multi-gigabyte clips never leave your device.
- Why is the first conversion slow?
- The first time you use a video tool, your browser downloads the ~30 MB WebAssembly engine. After that it's cached, so subsequent conversions start instantly.
- What video formats are supported?
- Every common format ffmpeg supports — MP4 (H.264/H.265), WebM (VP9/AV1), MOV, AVI, MKV — for both input and output.
- Is there a file-size limit?
- There's no fixed limit, but very large files (10 GB+) may exceed the browser's memory budget. For huge files, work in segments using the cutter and then re-merge.