Ffmpeg Web Cli
This browser-based video editor uses ffmpeg.wasm to process video locally, without uploads or server-side file handling.
About Ffmpeg Web Cli
Ffmpeg Web Cli is a browser-based video editor built on ffmpeg.wasm. Its processing runs on your device using WebAssembly, so your footage does not have to be uploaded to a server. It covers common jobs such as format conversion, trimming, compression, GIF creation and audio extraction. It suits situations where you cannot install software or would rather keep files private. The source code is available under the GPL-3.0 license.
Key features
- Processes video locally in the browser with no server uploads
- Supports MP4, WebM, MKV, MOV, AVI, GIF, MP3, AAC, WAV, OGG, FLAC, JPG and PNG
- Over 30 video operations, including trimming, compression, GIF creation and effects
- Batch processing with per-file preview and downloads
- Works offline after first use and can be installed
- Advanced options such as raw ffmpeg commands, subtitle embedding and concatenation
Best for: People with private files who cannot install software or prefer not to upload their video.
Ffmpeg Web Cli at a glance
- Category
- Design & Creative › Video Editing & Animation
- Type
- Online tool
- Pricing
- Free
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Video Editing & Animation
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