Online Video Compressor
Compress video online without installing software. The three quality shortcuts move the target-size slider to 90%, 50% or 30% of the original, and you can drag it for a custom target.
How to compress a video online
- 01Select or drop a video file - the original size and duration are shown instantly.
- 02Choose a 90%, 50% or 30% shortcut, or drag the target-size slider. Dragging clears the shortcut selection, and the slider never exceeds the original file size.
- 03Click Compress and download the smaller video when processing finishes.
What makes this compressor different
High Quality, Balanced and Smaller File move the slider to 90%, 50% and 30% of the original file size.
Drag the target-size slider to choose a maximum output size. The two-pass encode searches for a bitrate that fits.
Compression runs on WebAssembly FFmpeg in your browser. Large drafts and private clips never leave your device.
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Frequently asked questions
How do I compress a video online?+
Open the video compressor, select a video, choose a 90%, 50%, or 30% target or set a custom size, run the encode, and download the smaller MP4 after reviewing it.
Which formats can I compress?+
MP4, WebM, MOV and other common containers. Output is always MP4 with H.264 video and AAC audio for maximum compatibility.
Is there a file size limit?+
The target-size slider is capped at the current file size. Processing is local, so the practical input limit is your browser memory and the tool's 200 MB file limit.
How do I compress a video for Discord?+
Check the current upload limit for your Discord account, trim or resize unnecessary footage first, then choose a target below that limit and download the MP4. Leave a small size margin and review the final file before uploading.
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