YouTube MP3/MP4 Converter & Download by Convert4K

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YouTube MP3/MP4 Converter & Download version history - 3 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 2.1
Released 3 May 2019 - 111.42 kB
Works with firefox 42.0 and later
Source code released under Mozilla Public Licence 2.0
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file
Older versions
Version 2.0
Released 3 May 2019 - 111.43 kB
Works with firefox 42.0 and later
Source code released under Mozilla Public Licence 2.0
Download file
Version 1.7
Released 23 Nov 2018 - 107.94 kB
Works with firefox 42.0 and later
Source code released under Mozilla Public Licence 2.0
Download file

Latest version