Reduce video file size without uploading to any server.
Compress MP4, WebM, and MOV videos locally in your browser. Choose target quality presets, scale resolutions, and preview the compressed result without compromising your privacy.
How to Use Video Compressor
- Select or drag and drop your file(s) into the Video Compressor workspace.
- Adjust the custom parameters, formats, or options to your requirements.
- Preview the processed output in real time and download the result instantly to your device.
Key Capabilities & Features
- 100% Client-Side Processing: Your data never leaves your computer or mobile device.
- Fast & Instant: Powered by modern WebAssembly and HTML5 browser APIs without upload delays.
- No Signups & No Watermarks: Completely free and unlimited for personal and professional use.
Privacy & Security Guarantee
At Toolbo, privacy is built directly into the software architecture. Video Compressor processes all inputs directly in client-side browser memory. There is no server upload, no remote file caching, and zero tracking of your document or media contents.
Frequently Asked Questions
- Is my video uploaded to a server?
- No. All compression is performed entirely inside your browser using HTML5 Canvas, Web Audio, and browser MediaRecorder APIs.
- What video formats can I compress?
- You can upload MP4, WebM, MOV, and MKV video files supported by your browser.
- How much file size reduction can I expect?
- Depending on the chosen quality preset (Low, Medium, High) and resolution scale, file sizes can be reduced by 40% to 80%.
Related Online Tools
- Video Converter — Convert video files between WebM and MP4 formats.
- Video Resizer — Scale video resolution and change dimensions.
- Video Trimmer — Cut and trim video start and end times with precision.
- Extract Audio from Video — Extract audio track from video and save as MP3 or WAV.