Runs in your browser · Files never leave your device

Free video compressor

No upload. No signup. No watermark.

Shrink MP4, MOV and WebM videos for TikTok, Instagram Reels, YouTube Shorts or email. Choose a preset, optionally resize or trim, and download. Everything happens on your device — fast and private.

Drop your video here, or click to choose

MP4, MOV, WebM, MKV and more. Files stay in your browser — nothing is uploaded.

Why use this compressor?

Private by design

Your video never leaves your device. There's no upload and no temporary storage. Close the tab and your file is gone — we never see it.

No limits, no watermark

No file-size cap, no daily limit, no watermarks added to the output. Compress as many videos as you want.

Works anywhere

Works on Chrome, Edge, Firefox and Safari, on desktop and most modern mobile browsers. No app to install.

How to compress a video

  1. 1. Upload

    Drag in a video or click to choose one. It loads into your browser only.

  2. 2. Choose preset

    Pick Small, Balanced or High. Optionally resize or trim.

  3. 3. Compress

    Hit Compress and watch the progress bar. It all happens on your device.

  4. 4. Download

    Save the smaller MP4 with a single click.

Frequently asked questions

Is this video compressor really free?+

Yes. There are no signups, no watermarks, no file size limits and no caps. The tool runs entirely on your device, so we have no server costs to pass on.

Are my videos uploaded anywhere?+

No. Your video stays on your device. Compression happens right here in your browser — nothing is sent to our servers.

What video formats are supported?+

Most common formats are supported as input — MP4, MOV, WebM, MKV, AVI, M4V and more. Output is MP4 (H.264 + AAC) for maximum compatibility with social platforms.

How much can I compress my video?+

It depends on the original file. Videos exported from phones or screen recorders are often 50–80% larger than they need to be. The Balanced preset typically reduces size by 60–80% with no visible quality loss.

How long does compression take?+

Since everything runs on your device, it's a bit slower than a desktop app. A 30-second video usually takes about 30 seconds. Longer videos will take proportionally longer.

What's the maximum file size?+

There is no hard limit, but very large files (over ~500 MB) may cause your browser to slow down or run out of space. For best results, stick to short-form clips under that size.

Skip the editing — generate the whole ad

Give Vinora a product image or store link and get a cinematic short-form ad with script, voiceover and music in under two minutes.

200 welcome credits · No credit card required