Video comprimeren

Overview

Make a video smaller without uploading it. Pick one of four compression levels, from Smallest to Near-lossless, or set the bitrate, resolution and output format yourself. It works with MP4, MOV, MKV, WebM, AVI and most other formats. FFmpeg runs right in your browser, so your footage stays on your computer.

Send by email or chatGet a video under an attachment limit without handing it to an online service.
Post on social mediaUse Balanced to get a file that uploads quickly and still looks good.
Free up storageCompress a folder of recordings to a fraction of their size while keeping decent quality.
Play on phonesDrop the resolution to 720p or 480p so videos play smoothly on slow connections.
Private recordingsShrink screen recordings or meeting videos without them ever leaving your computer.

Key features

Maak videobestanden kleiner
Verklein naar 1080p, 720p, 480p of 360p
Vier compressieniveaus
Stel codec, bitrate, framerate en audio zelf in
Leest MP4, MOV, MKV, WebM, AVI en meer
Schatting van de grootte vooraf
Meerdere video's tegelijk comprimeren
Kies tussen kleiner bestand en betere kwaliteit
Eigen bitrate en resolutie
Privé: geen uploads

Set

Video 08

Neighbours

01 Audio uit video halen 02 HLS Stream Generator 03 Video- & Audioviewer 04 Fotohokje 05 Schermrecorder 06 Video Converter

Specification

Command: video.compress_video
Set: Video
Input: VIDEO/*
Output: VIDEO/*
Max. bestand: 1GB
Batch: ja

MP4 WEBM AVI MOV MKV WMV FLV M4V 3GP

Runtime

Engine: ffmpeg-wasm 0.12
Threads: — workers
Isolated: —
WebGPU: —
Memory: —

Transport 0 B

Your file is opened, worked on and saved inside this tab. This tool has no upload step, so your file has nowhere else to go.

Keys

Zoeken: ⌘K
Panels: ⌘1 · ⌘2
Volledige breedte: F
All keys: ⌘/

How it works

Add your videos

Drop in one video or several at once.

Pick a level

Choose Smallest, Balanced, High quality or Near-lossless, or fine-tune the codec, bitrate and size.

Download

Each video is compressed on your computer and ready to download, one by one or all together.

Frequently asked

How much can I reduce my video file size?

It depends on the video and the level you pick. Smallest usually saves 60–80%, Balanced 40–60%, High quality 20–40% and Near-lossless 10–30%.

What video formats are supported for compression?

Almost anything FFmpeg can read: MP4, MOV, MKV, WebM, AVI, WMV, FLV, M4V, 3GP, MPEG-TS, MPG/VOB, OGV, MXF, animated GIF and more. You can save as MP4, WebM, AVI or MOV. AV1 video and copy-protected (DRM) files can't be decoded in the browser, and the tool tells you when that's the problem.

Is there a file size limit for video compression?

Each video can be up to 2 GB. Big files also need plenty of free memory on your device.

How long does video compression take?

Anywhere from a minute to half an hour. Big files, high quality and slow encoding speeds take longest.

Are my videos uploaded to your servers?

No. Compression runs in your browser with FFmpeg compiled to WebAssembly, so your videos stay on your computer.

Can I compress multiple videos at once?

Yes. Add several videos and they all get the same settings.

What's the difference between compression presets?

Smallest is for email and messaging. Balanced suits the web and social media. High quality keeps the picture crisp, and Near-lossless barely changes it but saves the least.

Keys

Zoeken: ⌘K
Panels: ⌘1 · ⌘2
Volledige breedte: F
All keys: ⌘/