Compress Video Online
Shrink video files to a fraction of their size while preserving visual quality. Perfect for email attachments, WhatsApp sharing, and uploads with size limits.
Compress a VideoNo software required · Works in any browser
Smart Compression
The encoder analyzes your video and applies optimal settings to cut file size dramatically without visible quality loss.
Quality Control
Choose between target file size, quality level, or bitrate. Preview the result before downloading to make sure it looks right.
100% Private
Your video stays on your device. Compression uses WebAssembly in the browser, so nothing is uploaded to any server.
Multiple Formats
Works with MP4, MOV, AVI, MKV, and WebM. Output is always a widely compatible MP4 that plays on any device.
How It Works
Add Your Video
Drag and drop a video file or click to browse. Most common formats are supported including MP4, MOV, and AVI.
Choose Compression
Pick a target size like 'email ready' (25 MB) or set a custom quality level. The tool estimates the output size.
Compress & Download
Click compress and wait for the progress bar. Once done, preview the result and download the smaller file.
Common Use Cases
Email Attachments
Most email providers cap attachments at 25 MB. Compress a 200 MB clip down to a sendable size in a minute.
WhatsApp & Messaging
WhatsApp limits videos to 16 MB. Compress before sending so recipients get the actual video instead of a low-res auto-compressed version.
Social Media Uploads
Reduce upload times and avoid platform re-compression artifacts by compressing to the recommended bitrate before posting.
Cloud Storage Savings
Shrink old recordings and screen captures to free up gigabytes on Google Drive, Dropbox, or iCloud.
Superconverter vs Others
| Feature | Superconverter | Others |
|---|---|---|
| Files uploaded to server | No | Yes |
| File size limit | Device memory only | 500 MB-2 GB |
| Quality presets | Size, quality, bitrate | Fixed presets only |
| Output preview | Yes, before download | Rarely |
| Watermark on output | Never | Common on free tier |
Frequently Asked Questions
How much can I reduce the file size?
It depends on the source video. Screen recordings and talking-head clips often compress 80-90%. Action-heavy footage typically compresses 40-60% while staying sharp.
Will the video quality be noticeably worse?
At moderate compression levels the difference is extremely hard to spot. The tool uses H.264 encoding with optimized settings that prioritize visual quality.
What video formats are supported?
You can drop MP4, MOV, AVI, MKV, and WebM files. The output is always MP4 (H.264 + AAC) for maximum compatibility across devices.
How long does compression take?
It depends on file size and your device. A 1-minute 1080p clip typically takes 15-30 seconds on a modern laptop. Longer videos take proportionally longer.
Is there a file size or duration limit?
There is no hard limit. The only constraint is your device's available memory. Videos up to about 1-2 GB work well on most machines.
Shrink Your Videos Instantly
Free and private. Compress for email, messaging, or storage — right in your browser.
Compress a Video Now