Video Compressor
Compress video files locally using scale resolution factors and custom bitrate pipelines.
About Compress Video Online Free — Reduce Video File Size in Browser
Compress bulky screen recordings, drone footage, and smartphone videos so they can be easily shared over WhatsApp, Discord, Slack, and email.
Key Features & Capabilities
- Reduce video file size by up to 70% with H.264 / VP9 compression
- Custom target file size and resolution scaling presets
- Adjustable CRF compression quality slider
- 100% private processing powered by FFmpeg WASM
- No watermarks or video length limits
How to Compress a Video File
Step 1: Select Video
Upload the large video file you need to shrink.
Step 2: Choose Compression Target
Select high, medium, or custom compression strength.
Step 3: Download Compressed Video
Process the video locally and download the lightweight MP4.
Frequently Asked Questions
How can I fit a video under email or Discord size limits (e.g. 25MB)?
Select our Discord or Email preset to automatically adjust bitrate and dimensions to meet attachment requirements.
Are my personal videos uploaded to a third party?
Never. Compression runs strictly inside your local browser tab.
Related Utility Tools
Why Zaeyon?
Private, free, and browser-based — no account, no uploads, no compromises.
Zero Uploads
Your files never leave your device. All processing happens locally in your browser memory — nothing is sent to any server.
100% Free Forever
No subscriptions, no hidden fees, no daily limits. Every tool on Zaeyon is permanently free to use without an account.
Instant & Powerful
Powered by WebAssembly — the same low-level technology used in native apps — so processing is fast even for large files.
Works Offline
Once the page loads, the WebAssembly engine runs entirely on your device. No internet connection needed to process files.
Works Everywhere
No software installation required. Runs directly in your browser on Windows, Mac, Linux, iOS, and Android.