Stream Assistant − Keyboard shortcuts, ad blocking and additional features for various streaming services.

This userscript adds support for additional keyboard shortucts and features including headphone controls. It also blocks (most) ads, for streaming services such as (HBO)Max, Discovery+, Paramount+, Hulu, Pluto TV, The Roku Channel, HGTV Go, HiDive, FreeVee, RetroCrush and many others. See complete list of supported streaming services below. NOTE: YouTube support has now been removed from this project and replace by YouTube Assistant.

Keyboard shortcuts

• J / L or Left / Right - seek 5s backward / forward
• Up / Down - volume control
• M - Mute / unmute
• K / Space bar / Left mouse click - play / pause
• Hold down space bar / Left mouse button - Play video at 2x speed
• F - Fullscreen
• I - Skip intro
• S - Jump forward 30 seconds. Useful when "skip intro" is not available or if you just want to fast forward a bit.
• N - Skip the end credit and jump straight to the next episode.
• 0-9 - Jump to specific percentage. 0 = Beginning, 1 = 10% and so on.
• Plus / Minus or > / < - Change playback speed faster / slower
• A - Change aspect ratio on non-widescreen content (choose between zoom or stretch)
• B - Video filters: black & white, sepia and invert colors
• Ctrl+Up / Ctrl+Down - Change brightness
• Ctrl+Left / Ctrl+Right or hold down H - Hue color control (does not override YouTube's chepter skip feature)
• Shift+Up / Shift+Down - Change saturation
• Shift+Left / Shift+Right - Change contrast
• R - Revert filters (brightness, contrast, hue, and saturation) back to normal
• O - Toggle surround sound
• V - Volume normalizer (dynamic range compression)
• Ctrl/Shift + 1-9 - Apply shaders (color grading and cosmetic texturing), Ctrl/Shift+0 to reset

  Click to see the list of all available shader profiles

  Ctrl+1: Retro CRT Soften (Softens harsh blocky pixels on low-bitrate streams)
  Ctrl+2: Vibrant Punch (Boosts dull, washed-out color grading)
  Ctrl+3: Midnight Dark Room (Tames blinding white backgrounds for late-night viewing)
  Ctrl+4: Warm Vintage Film (Gives digital transfers an aged, warm theatrical look)
  Ctrl+5: Monochrome Noir (A crisp, high-contrast black-and-white conversion)
  Ctrl+6: Cool Sci-Fi / Cyber (An inverted color scheme that acts as an emergency high-contrast dark mode)
  Ctrl+7: Faded Archive Correction (Neutralizes nasty green or magenta color casts in old video rips)
  Ctrl+8: Cinematic Crush (Deepens shadow details to hide background compression noise in dark scenes)
  Ctrl+9: Crisp High-Key (Brightens up dim, murky master recordings without completely blowing out highlights)
  Shift+1: Teal & Orange Blockbuster (Pushes a stylized modern Hollywood color grade)
  Shift+2: Deep Cyberpunk Neon (Enhances purples, blues, and electric tones)
  Shift+3: Aged 16mm Horror Grain/Warmth (Heavier vintage look than profile 4, great for gritty 70s/80s analog rips)
  Shift+4: High-Contrast Silhouette / Edge Out (Crushes midtones heavily to create high-drama shadow play)
  Shift+5: Muted Atmospheric Depths (A cold, desaturated blue tint suited for bleak winter or thriller scenes)
  Shift+6: Solarized Retro Psychedelia (A wild, experimental acid-trip look for music or surreal content)
  Shift+7: Sepia Antique Daguerreotype (Pushes an extreme historical photo/film aesthetic)
  Shift+8: Gothic Midnight Desat (A drained, moody look that strips the color down to a ghostly silver tint)
  Shift+9: Hyper-Luminous Pop (An aggressive pop-art style brightness and color lift for dim web video)

Ad blocking

This script does not block in-house ads such as self-promotion. And note that if an ad is not blocked, this script gives you numerous ways to fast forward.

Supported streaming services

• Adult Swim
• Amazon Prime Video
• AMC+
• Apple TV+
• Clownfish TV
• Comedy Central
• Crunchyroll
• DailyMotion
• DAZN
• Discovery+
• Disney+
• Distro TV
• Dove Channel
• FAWESOME
• Fox
• FreeVee
• Frndly TV
• HGTV Go
• HBO Max
• HiDive
• Hulu
• Investigation Discovery
• Kick
• Klowd TV
• Magellan TV
• Midnight Pulp
• Ovation TV
• Paramount+
• Peacock TV
• Plex
• Pluto TV
• PureFlix
• Retro Crush
• Rumble
• Sling TV
• Spectrum
• The Roku Channel
• Tubi
• Twitch
• Vaughn Live
• Vimeo
• YouTube

Installation

To use the script:

• Install a userscript manager extension like Tampermonkey or Violentmonkey.
• Install the script

Support

Are you having technical issues or feature requests, feel free to open up a new Issue.