Ultimate Video Enhancer (UVE) by Aleksandar

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Ultimate Video Enhancer (UVE) version history - 6 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 1.2.4
Released Aug 9, 2026 - 146.22 KB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under All Rights Reserved
Download Firefox and get the extension
Download file
Older versions
Version 1.2.0
Released Aug 6, 2026 - 143.42 KB
Works with firefox 140.0 and later, android 142.0 and later
UVE 1.2.0

What’s new
• Stronger volume hold — keeps your chosen level (including 100%) when sites reset audio
• Hold Q / E / A / D to ramp volume or speed (starts slow, then accelerates)
• YouTube captions: Apply selected activates the track instead of failing on download
• Safer unmute — no longer pauses autoplay-muted videos by force-unmuting
• Spotify / Web Audio: less “silent until you press a key” after browser restart
• More presets accordion UI polish in the popup
• Subtitle engine improvements (page captions, OpenSubtitles Pro, VTT/SRT upload)

Fixes
• Quiet → blast → settle volume spike on some players
• Intermittent muted playback until a volume hotkey was pressed

Pro checkout is via Stripe on systemaweb.com (not Lemon Squeezy).
Source code released under All Rights Reserved
Download file

Latest version