Download YouTube Videos as MP4 Version History

75 versions

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 1.8.3.1-signed 21.7 kB Works with Firefox 20.0 and later, SeaMonkey 2.17 and later

* bug fix for experimental YouTube SPF - thanks, Alexandru

Version 1.8.2.1-signed 21.6 kB Works with Firefox 20.0 and later, SeaMonkey 2.17 and later

- bug fix for removed videos - thanks, Сергей

Version 1.8.1.1-signed 21.5 kB Works with Firefox 20.0 and later, SeaMonkey 2.17 and later

- Added multiprocess support (e10s) - https://wiki.mozilla.org/Electrolysis
- Dropped support for Firefox 19 and earlier (e10s required a major code rewrite)
- Traditional Chinese translation - thanks, Tse Kit Yam

Version 1.7.31.1-signed 20.9 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- Fixes download issues in Firefox 36+ (thanks, NJ)

Version 1.7.30.1-signed 20.8 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

Fixed signature detection

Version 1.7.29.1-signed 20.7 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- fixes broken download URLs
- fixes video detection in Firefox 35+ (thanks, Nicolas)

Version 1.7.28.1-signed 20.7 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

Fixed missing like number

Version 1.7.27.1-signed 20.6 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

Brings back support for the old YouTube UI

Version 1.7.26.1-signed 20.0 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- added download icon and improved button integration

Version 1.7.25.1-signed 20.1 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

Fix for signatures poorly detected by previous versions

Version 1.7.24.1-signed 20.1 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

Bug fix for signature detection

Version 1.7.23.1-signed 20.1 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- Force refresh incorrect signatures
- Better signature detection
- Improved debugging information

Version 1.7.22.1-signed 19.9 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- bug fix for signature detection (thanks, jfurg26)

Version 1.7.21.1-signed 19.7 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- support for YouTube's latest UI experiment (thanks, David Book)

Version 1.7.20.1-signed 19.7 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- bug fix for Firefox 32+ xrays

Version 1.7.19 19.5 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

Bug fix for signature detection

Version 1.7.18.1-signed 19.5 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- Korean translation (thanks, daunmore - http://userscripts.org/topics/147092)
- improved URL matching
- better file size detection

Version 1.7.17.1-signed 18.9 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- back to the old downloading window ("save as" is only used when needed)
- better AJAX support
- dropped file size styling

Version 1.7.16.1-signed 18.6 kB Works with Firefox 12.0 and later, SeaMonkey 2.9 and later

- switching to "save as" dialogs instead of "open" dialogs. This lets you change the name of the file, change the folder where it's saved and also addresses a bug from an experimental YouTube interface.

Version 1.7.15.1-signed 18.0 kB Works with Firefox 12.0 and later, SeaMonkey 2.9 and later

- removed 480p FLV, 1080p MP4, 4K MP4. They're no longer available.
- added file size next to each download option
- bug fixes

Version 1.7.13.1-signed 18.0 kB Works with Firefox 12.0 and later, SeaMonkey 2.9 and later

- fixed signature bug

Version 1.7.12.1-signed 18.1 kB Works with Firefox 12.0 and later, SeaMonkey 2.9 and later

- brings back support for 480p FLV, 1080p MP4, 4K MP4.
Thanks, Xytras, Morten79, toejam119, ReadALot, Denisk, Tupring, milkywaif, funkinlesson and FlashGot devs.

Version 1.7.9.1-signed 17.4 kB Works with Firefox 12.0 and later, SeaMonkey 2.9 and later

- added low-quality FLV fallback - the 240p FLV option is added if no other FLV download URL is available
- the script now works when cookies are disabled (thanks, soft475u - http://userscripts.org/users/529340)

Version 1.7.8.1-signed 17.5 kB Works with Firefox 14.0 and later, SeaMonkey 2.11 and later

- using the GreaseMonkey API to store signature data (thanks, Eric - http://userscripts.org/topics/129461)
- inline signature update
- Indonesian translation (thanks, http://userscripts.org/users/bayuah)
- dropped Feather support
- fix for the "share buttons" experiment
- the extension now requires Firefox 14/Seamonkey 2.11
- improvements from 1.7-1.7.6: restartless, signature detection, updated Ajax support

Version 1.6.5.1-signed 14.9 kB Works with Firefox 3.6 and later, SeaMonkey 2.0 and later

- fixed Seamonkey issues

Version 1.6.4.1-signed 14.9 kB Works with Firefox 3.6 and later

- fix internationalization
- fix signature bug

Version 1.6.3.1-signed 14.9 kB Works with Firefox 14.0 and later

- added support for Hindi (thanks, Arpit Kumar)
- fixed signature obfuscation
- dropped support for old Firefox versions <14

Version 1.5.18.1-signed 14.3 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

- fixed the same old signature obfuscation

Version 1.5.16.1-signed 14.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

-added Turkish translation (thanks, fader ed)
-cosmetic fixes for non-English interfaces
-more bug fixes

Version 1.5.15.1-signed 14.3 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Fixed signature bug (thanks, Eric and Zsolt)