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File Converter vs ConvertX: catalog facts
File Converter	ConvertX
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the AGPL-3.0 licence.
Windows	Web, Self-hosted
Supports batch conversion without opening a separate main window.	Over a thousand input and output formats Batch conversion of multiple files
Runs on Windows and supports a defined set of file formats.	Needs Docker and a server to run Login requires HTTPS or localhost unless HTTP is explicitly allowed
Downloadable app	Self-hosted
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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