Compare software

Transmute vs Online-Convert: catalog facts
Transmute	Online-Convert
Free Free and open source under the MIT licence.	Free Conversions can be done for free in the browser.
Web, Self-hosted	Web, Browser extension
Converts many file types in one tool Files stay on your own hardware	Handles audio, video, image and document formats in one place Presets for social and messaging services
Requires running your own server A young project compared with established converters	Files must be uploaded to a third-party server Needs an internet connection
Self-hosted	Web application, Browser extension
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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