Universal Video Controller (Crystal Pro) is an ultra-lightweight, zero-latency floating HTML5 video controller built for both Mobile (Touch) and Desktop/PC (Mouse & Keyboard). Ever started watching a video, scrolled down or switched to a vertical feed, and wished you had instant control over playback speed, volume boost, or zoom? This extension adds a sleek, frosted-glass floating control bar that intelligently follows your active video on YouTube, YouTube Shorts, Facebook Reels/Watch, BongoBD, and almost any website!

What's New in v28.0.0 (Crystal Pro Master): Click the extension icon in your browser toolbar anytime to open the Add-on Customization Menu, where you can customize all 24 internal layout/engine configs and set your own custom PC Keyboard Shortcuts!

✨ Key Features

💎 Ultra-Light Crystal Pro UI: Modern frosted-glass 5-button floating bar (Rewind, Play/Pause, Speed, Forward, Settings) with auto-fade and zero ghost-taps.
⚡ Precision Playback Speed (0.1x – 16x):
Vertical Glide Slider: Drag up or down on the Speed button for smooth real-time speed control with magnetic snap points.
Fine-Tune & Presets: Tap the Speed button for quick presets, −0.05 / +0.05 fine-tuning buttons, or custom speed input.
Hold Gestures: Long-press Speed to reset to 1.00x. Long-press Settings for an instant 2.00x Hold Boost!
🔊 300% Clean Audio Booster (With Limiter): Boost quiet videos up to 300% using a built-in WebAudio DynamicsCompressor limiter that prevents audio clipping and distortion.
📱 Smart Reels, Shorts & Overlay Positioning: Automatically detects vertical multi-slide feeds (YouTube Shorts, Facebook Reels, Swiper carousels) to lift the controller above bottom captions, while staying neatly in the corner on standard videos and modal overlays.
🧲 Drag & Drop + Magnetic Corner Snap: Move the controller anywhere on screen. Drag near the default corner to snap back automatically, or Double-Tap Settings / Hold Play-Pause to reset position instantly.
🔁 A–B Repeat Loop: Set Point A and Point B to loop any specific segment of a video effortlessly.
🎥 Video Transform & Real-Time Filters:
Transform: Aspect Ratio (Fit, Fill, Stretch), Zoom (50% – 300%), Rotate 90°, and Horizontal Mirror/Flip.
Visual Filters: Adjust Brightness, Contrast, Saturation, Grayscale, Sepia, Invert, and Hue-Rotate live.
🔒 Playback Lock & Autoplay: Rate/Volume Self-Correct lock, In-Screen clamp toggle, and Auto-Loop / Auto-Next support.

🖐 Touch & Mouse Gestures

Speed Button: Tap = Speed Menu | Drag Up/Down = Glide Speed Slider | Hold = Reset to 1.0x
Rewind / Forward: Tap = Skip ±Sec | Hold = Quick Skip Pill Menu (5s, 10s, 15s, 30s, 60s)
Play/Pause Button: Tap = Play/Pause | Hold = Reset Controller Position
Settings Button: Tap = Bento Settings Menu | Double-Tap = Reset Position | Hold = Temporary 2x Speed Boost

⌨ PC Keyboard Shortcuts (Customizable in Add-on Menu)

[ or S : Decrease Speed (−0.10x)
] or D : Increase Speed (+0.10x)
R or ** : Toggle Speed Reset (1.00x ↔ Last Custom Speed)
Z / X (or ← / →) : Rewind / Fast-Forward (Arrow keys can be disabled in Add-on Menu)
Space : Play / Pause
H : Hide / Show Controller

source code: https://greasyfork.org/da/scripts/547797 I will upload source code on github soon.

Developer response