MassTube 2026 v21.5.0.190 Ultra Multilingual

MassTube is a simple, but powerful application to quicky download videos from YouTube.

Key features
- download VEVO and others.
- download in Ultra HD 4K 2160p, Full HD 1080p, HD 720p and in other popular video resolutions.
- download in MP3, FLAC, OGG and in other popular audio formats.
- compatible with Windows 11, 10, 8.1, 8 and 7.
- much more!

Whats New
- Added and implemented new QuickJS JavaScript engine API, to solve
JavaScript challenges presented by YouTube, required for download some
videos from server.
- Added new item "Sign into YouTube in Firefox" in Options menu. This allows you to
connect and synchronize to your active YouTube login in the open browser to
download many more types of videos from YouTube. This option requires the Firefox
browser to be installed on your system and for you to be logged into YouTube in
Firefox for it to function correctly.
- Added support to download more video types such as
* Age-restricted videos (with YouTube login only)
* YouTube for Kids videos
- Added and restored full support to download videos from YouTube with audio track in different
languages (with YouTube login only). You can do this from item
"Sign into YouTube in Firefox/Specify Preferred Language for Audio Track" of Options menu.
- Addes full support for login into YouTube account in Firefox in MassTube for Windows 7,
Windows 8, Windows 8.1, Windows 10 and Windows 11.
- Added QuickJS-NG console version 0.12.1
- Added a new notice to the application indicating that the Firefox browser is now the only
recommended tool to use with MassTube (and not Chrome).
- Improved many internal issues for YouTube API library.
- Updated yt-dlp console to version 2026.02.12.233641
- Updated application credits in "About" panel.

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