# Compress Video on Your Laptop — Without Installing Anything

> Shrink MP4, MOV, MKV, AVI, or WebM video on your laptop without installing CapCut or Handbrake. In-browser compression — fits files under email, Slack, or Discord size limits.

Live tool: https://lofttools.com/tools/media-tools/video-compressor

Category: Video & Audio

## How it works

1. **Select video** — Drag and drop your video file or click to browse
2. **Choose compression** — Select compression level or target file size
3. **Download** — Get your compressed video with size reduction stats

## FAQ

### Why use this instead of CapCut or Handbrake?

For one-off desktop compression, this is faster — no install, no signup, no admin permissions on your work laptop. CapCut is mobile-first and Handbrake is overkill for "make this MP4 small enough to email." Reach for those if you need ongoing editing or batch encoding.

### Will it fit my Discord / Slack / email upload?

Use the size hint to dial CRF until the predicted output is under your target — Discord's free tier is 25 MB, Gmail attachments are 25 MB, Slack free is 1 GB. Switching to a smaller resolution preset (720p / 480p) drops size faster than CRF alone.

### What formats are supported?

MP4, WebM, MOV, AVI, and MKV up to 500 MB.

### How much can videos be compressed?

Typical compression reduces file size by 40-70% with minimal visible quality loss. Bigger gains come from also dropping resolution.

### What is the maximum file size?

There's no server limit since processing happens locally on your device. Memory is the only constraint — most laptops handle files up to about 1 GB.

## Privacy

This tool runs entirely in the browser. Files are not uploaded to a server. They never leave the user's device.

## More

- All tools: https://lofttools.com/tools
- Category: https://lofttools.com/tools/media-tools
- LLM index: https://lofttools.com/llms.txt