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Balabolka vs edge-tts: catalog facts
Balabolka	edge-tts
Free Freeware, funded by sales of the developer's Cross+A software.	Free Free and open source; it uses Microsoft's online service at no cost.
Windows, Command line	Windows, macOS, Linux, Command line
Uses any installed system voice Opens many document and ebook formats	No API key or Microsoft account needed Writes subtitles alongside the audio
Windows only Voice quality depends on the installed speech engines	Depends on Microsoft's online service, so it needs internet and could break if the service changes Playback command needs mpv on macOS and Linux
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: LGPL-3.0
No account needed	No account needed
Works offline	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 2, 2026

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