Do you save what I type?

Not for these tools. The work happens in your tab. If a tool ever needs a server, we'll say that on the page before you start.

Does it work on a phone?

Yes, in a normal phone browser. Big files can be slow on a small device.

Media

Re-encode WebM to MP4 locally. If the browser cannot record MP4, a local FFmpeg.wasm encoder is loaded on demand. Short clips work best.

Choose a fileUp to 80 MB and 180 seconds

Choose a file to preview it here.

The clip stays on this device. We do not get a copy. Short clips work best — encoding time is close to the video length.

Fill in the fields above (or pick a file). The answer shows on this same page. More media tools are linked below.

No. It's free. No account either.

Same category, nearby jobs.

Shrink a video file by lowering resolution and bitrate.

Change a video’s width and height, including 1080p, 720p and 480p presets.

Turn the start of a video into an animated GIF.

Convert an animated GIF into a video file.