Video Compression
Compress videos with adjustable quality, bitrate, and resolution
Privacy: FFmpeg WASM runs in this browser tab using your device. Large or long media can take more time and memory.
Drag files here or click to upload
Supported Formats: MP4, AVI, MOV, MKV, WEBM
Max File Size: 50MB | Max Files: 2
Video Compression
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How this tool works
About Video Compression
Use Video Compression when a browser-friendly video needs to be smaller for upload, transfer, or review. This page is a practical fit for making MP4 or MOV files lighter for forms, chat tools, CMS uploads, creator workflows, and review copies where you need a smaller delivery file more than untouched source bitrate.
Best use cases
- Sharing browser-friendly MP4 files more easily
- Preparing videos for form uploads, messaging apps, or CMS limits
- Reducing review-copy size before storage or delivery
- Generating smaller review copies for clients or teammates
Outputs and limits
- Compressed delivery files that are easier to upload or send.
- Progress is shown during browser-based decoding, encoding, and download.
- A small-batch workflow with browser memory and device performance as practical limits.
Steps
- Upload the video files you want to make smaller.
- Choose quality, bitrate, and resolution strategy based on your delivery goal.
- Run processing, inspect the result summary, and download the lighter export.
Balance file size against motion detail
A smaller export can make uploads easier, but aggressive bitrate or resolution reductions can blur motion, gradients, dark scenes, and small text. Judge the clip at its intended viewing size rather than by file size alone.
- Lower resolution or frame rate only when the destination does not need the source dimensions or motion cadence.
- Compression cannot restore detail already missing from a noisy, blurred, or heavily compressed source.