Free tools that don't upload your files
Every tool on this page runs on your own device. Your files never leave it, so there's no upload wait, no account, no queue and no watermark. Close the tab and nothing is left behind on a server, because nothing ever got there.
Compress Video Without Uploading
Compress video in your browser. Nothing is uploaded, and there's no size limit — the result is written to disk as it encodes, so multi-gigabyte files work.
Updated 2026-09-01Compress Video for Discord, WhatsApp, Email or WeChat
Pick the platform instead of a number: compress a video to fit Discord, WhatsApp, email or WeChat upload limits. Runs in your browser — nothing is uploaded.
Updated 2026-09-01MOV, MKV and WebM to MP4
Convert MOV, MKV or WebM to MP4 in your browser. Most files only need a new container, so they finish in seconds with the picture untouched — and nothing is uploaded.
Updated 2026-09-01Trim, Crop, Rotate and Resize Video
Trim, crop, rotate, resize, mute or change the frame rate of a video in your browser. See the practical steps, important caveats, and privacy notes before you clean, convert, or download anything with AskClean.
Updated 2026-09-01Video to MP3, Extract Audio or Remove Sound
Pull the soundtrack out of a video as M4A, convert it to MP3, or strip the audio and keep the picture. Copying the track out is instant and lossless, and nothing is ever uploaded.
Updated 2026-09-01Repair a Corrupted Video in Your Browser
Scan an MP4 or MOV for damaged frames, see exactly where the file is broken, and write out a repaired copy that plays. Runs entirely on your device — the file never leaves it.
Updated 2026-09-01