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 May 3, 2019 - 111.42 KB
Works with firefox 42.0 and later
Source code released under Mozilla Public License 2.0
Download Firefox and get the extension
Download file
Older versions
Version 2.0
Released May 3, 2019 - 111.43 KB
Works with firefox 42.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 1.7
Released Nov 23, 2018 - 107.94 KB
Works with firefox 42.0 and later
Source code released under Mozilla Public License 2.0
Download file

Latest version