How much smaller will my video be?

Usually 50–80 %, depending on the source. Phone videos and screen recordings compress the most; already-compressed downloads shrink less.

Does it reduce video quality?

Some detail is traded for size. At the balanced setting the loss is hard to see on a phone or laptop screen. Lower settings show softer edges.

What formats are supported?

MP4, MOV, WebM, MKV and AVI go in. A compressed H.264 MP4 comes out.

Is there a file size limit?

Browsers can hold roughly 1 GB in memory. Files under about 300 MB and 1080p are comfortable; 4K works but takes several minutes.

Free · No sign-up

Video Compressor

Shrink a video for Discord, email or WhatsApp without sending it anywhere – no upload, no sign-up, no watermark added.

AI · Paid creditsAI Video Watermark Remover AI Video Eraser

No upload
No sign-up
No new watermark
MP4, MOV, WebM, MKV, AVI

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MP4, MOV, WebM, MKV, AVI · best under 300 MB

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A real input to try

Start with an openly licensed sample.

An 8-second blue-mug MP4, shared by the remove-ai-watermarks project under Apache-2.0. The source maintainer documents Google Flow / Veo 3.1 Fast. Use the unchanged original to try this editing tool.

Input · video/mp4

This card shows an input, not a processed result. Loading it does not upload it or start a paid task.

Source: wiltodelta · Apache-2.0
Input: 1280 × 720 · 0.90 MiB

Attribution and modifications · Media facts and hashes

Phone and screen recordings are far bigger than they need to be. A compressor re-encodes the video with tighter settings so it fits under a limit: 10 MB for Discord, 25 MB for most email, or simply less space on your drive.

Choose how to compress. The quality slider (CRF) keeps the resolution and trades a little detail for a much smaller file. The resolution option scales the picture down to 720p or 480p, which is the bigger saving for large files. Typical results are 50–80 % smaller.

Compression runs in your browser with FFmpeg WebAssembly. Nothing is sent to a server, and the output is a standard H.264 MP4 that plays everywhere.

Discord and email limits

For Discord's 10 MB limit on a one-minute clip, drop to 720p and a medium quality. For email's 25 MB, a quality-only pass at 1080p is usually enough.

Start with quality, then resolution

Try the quality slider first – it keeps every pixel. If the file is still too big, lower the resolution; that is where the largest savings are.

Trim before you compress

Cutting unwanted seconds off the start and end is the cheapest way to lose megabytes. Use the video cutter first, then compress.

All tools

A place for every edit.

Remove a logo, refine your footage, change a format or take the sound with you. Find the tool for your next step.

15 tools

Watermark removal

Start with the part you want to remove.

10 tools

Edit video

Shape the frame, timing and movement.

7 tools

Convert

Get the format your next step needs.

3 tools

Audio

Keep the sound, without the video.