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Bento4 vs GPAC: catalog facts
Bento4	GPAC
Free Free and open source under the GPL 2.0, with a separate proprietary licence available.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Dedicated tools for MP4 inspection, editing and fragmenting Packages DASH, HLS and CMAF from the same files	MP4Box gives fine control over MP4 muxing and demuxing DASH and HLS packaging with low-latency support
Command-line tools with no graphical interface Assumes familiarity with streaming formats	Mainly command-line driven, with a steep learning curve Aimed at streaming workflows rather than editing
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-only	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.