Tubi Downloader for Firefox by monjanse7

Tubi Firefox Downloader is a Firefox extension for downloading DRM-free Tubi video streams directly through Firefox.

The extension can detect HLS streams from Tubi, automatically select the best available video quality, detect separate audio tracks, and combine compatible video and audio streams into a single playable file.

It also includes a built-in Season Downloader, allowing complete TV seasons to be downloaded automatically instead of downloading episodes one by one.

• Download individual Tubi episodes
• Download complete TV seasons automatically
• Automatic episode detection
• Automatic highest-quality selection
• HLS stream detection
• Support for separate video and audio tracks
• Automatic video + audio muxing
• fMP4 / CMAF support
• MPEG-TS support
• EXT-X-MAP support
• EXT-X-BYTERANGE support
• Automatic English audio-track detection
• Episode download queue
• Download progress display
• Pause after current episode
• Skip current episode
• Cancel season download
• Automatically organized download folders
• Open Download Folder button
• Downloads are performed through Firefox's network session
• No yt-dlp installation required
• No external downloader required
• No transcoding for compatible streams

Season downloads are automatically organized like this:

Downloads/Tubi/Series Name/Season 01/S01E01 - Episode Name.mp4


This extension is intended for compatible, unencrypted streams.

It does not decrypt, bypass, remove, or circumvent DRM or encrypted video protection. If an unsupported protected stream is detected, the extension will not attempt to decrypt it.

1. Download and extract the extension.
2. Open Firefox.
3. Go to:

about:debugging

1. Select This Firefox.
2. Click Load Temporary Add-on...
3. Select manifest.json.
4. Open a Tubi video or TV series.
5. Click the Tubi Downloader extension icon.

For individual episodes, analyze the detected HLS stream and start the download.

For complete seasons, use Season Downloader, select the season, and click Download Season.