Welcome to YouTube Audio Mode 2.4.0 for Firefox! This major milestone brings all the improvements and features from v1.1 to v2.4.0 to Firefox users.

• Control playback directly from the popup or audio overlay: Play/Pause, Seek forward/back.
• Fine-grained playback speed control (0.25x – 2x) that persists across sessions and video navigations.
• Volume slider with real-time cross-tab synchronization.
• Now displays active video title, channel, and thumbnail/visualizer status.

• Automatically drops quality to 144p in Audio Mode to save maximum bandwidth.
• Default Restore Quality: Set your desired target resolution (1080p, 720p, 480p, Auto) for when Audio Mode is turned off.
• Bidirectional quality change detection to prevent unwanted quality resets by YouTube.

• Integrated usage and bandwidth savings tracker.
• Compares data usage against standard 720p and 1080p stream bitrates.
• Total listening time and cumulative bandwidth saved.

• Complete UI overhaul with compact layout and 3D light/dark styling.
• 6 vibrant visualizer gradients + custom background color options.
• Audio visualizer with smooth animations replacing the video screen.

• Internationalized interface with built-in language selector:
• English, العربية (Arabic), Español (Spanish), Français (French), हिन्दी (Hindi), Bahasa Indonesia, Português (Portuguese).
• Native Right-to-Left (RTL) layout rendering and typography (Cairo font).

• Enhanced player detection supporting standard watch pages, live streams, playlists, and embedded players (/embed/).

• Tailored Firefox Manifest V3 architecture.
• Context invalidation and SPA navigation guards.
• 100% Private: No external tracking, no third-party network requests; all settings are stored locally in your browser.