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Shutter Encoder vs FastFlix: catalog facts
Shutter Encoder	FastFlix
Free Free and open source under the GPL. Donations are welcomed.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows
Professional codecs including ProRes, DNxHR, AV1 and VP9 alongside the usual ones Lossless cut, trim, remux, stream extraction and audio replacement	Supports H.264, HEVC and AV1 Hardware and software encoding options
The interface exposes a lot at once and takes orientation Java-based, so it is a heavier install than the FFmpeg it drives	Focused on encoding, not editing Encoder options can be overwhelming for beginners
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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