How it works
How to use Compress Video online
- Choose the file or files requested by the tool.
- Adjust any available settings for the output you want.
- Run the tool in your browser and download the finished result.
Media tool
Compress Video
Reduce the size of a short video with adjustable quality settings.
Add your input
Your file stays in this browser.
Good to know1 file · 100 MB max · 180 sec max
Upload a MP4, WebM, MOV, or MKV fileResult: MP4 files
- Your media file stays in this browser while the tool runs.
- Short clips work best. Large or complex files may take longer or fail.
- Lower CRF is slower but higher quality; audio bitrate affects size and clarity balance.
Overview
Compress Video for private browser work
Reduce the size of a short video with adjustable quality settings. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.
Input
Upload a MP4, WebM, MOV, or MKV file
Output
MP4 files
Limits
1 file · 100 MB max · 180 sec max
Best for
Compress Video use cases
- Turn upload a mp4, webm, mov, or mkv file into mp4 files without creating an account.
- Run a quick compress video job before sharing, archiving, or publishing a file.
- Check the 1 file · 100 mb max · 180 sec max guidance before using larger or unusual inputs.
Processing
What happens in your browser
PrivConvert uses ffmpeg.wasm for this workflow. 2 adjustable settings. This tool checks for wasm support before running
Your media file stays in this browser while the tool runs.
Related tools
Keep working with this file
FAQ
Compress Video questions
Is Compress Video free to use?
Yes. This tool is free to use in your browser and does not require an account.
Are my files private?
PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.
Why might a file fail to process?
Your media file stays in this browser while the tool runs.