Compare software

Constrict vs Video Size Reducer: catalog facts
Constrict	Video Size Reducer
Free Free and open source under the GPL-3.0-or-later.	Free Free to use.
Linux	Web
Targets an exact output file size automatically Batch compression of multiple videos	Processes videos locally in the browser Offers target size and quality settings
Steep size reductions can badly hurt quality or fail Speed limited by local hardware	The tested input path supports MP4 with H.264 and optional AAC Processing can take several minutes and use significant memory
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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