Two-way sync
Change speed in the popup or in YouTube’s gear menu — both update instantly. No fighting the player.
Free & private · Chrome, Firefox & Edge
Command every video’s playback speed.
The precision speed controller for YouTube & YouTube Music. Two-way sync with the native player, custom presets, a live slider, keyboard shortcuts and per-channel automation — all private, all in your browser.
- 4.9★
- User rating
- 0kb
- Data collected
- 100%
- Private
Playback1×
Live playback rate
Type any speed from 0.1× to 16× — custom rates welcome.
Works everywhere you watch
YouTubeYouTube MusicChromeFirefoxEdgeBraveOperaVivaldi
Features
Everything you need to master speed
Built for people who watch a lot — lectures, tutorials, podcasts, music. Fast where you want fast, slow where you need slow.
Presets & slider
Jump to common speeds or fine-tune with a smooth slider. Custom speeds allowed — even beyond 2×.
Keyboard shortcuts
Increase, decrease, reset and cycle presets without touching the mouse. Configurable step size.
Per-channel automation
Auto-apply a speed by channel, title or URL. That lecture channel at 1.75×, music at 1× — automatically.
Profiles
Save multiple sets of presets and defaults, then switch in one click. Study mode, chill mode, your call.
Toolbar badge
The current speed shows right on the toolbar icon — 1.25x, 2x, even reverse -1x.
How it works
Live in under a minute
- 1
Download & unzip
Grab the latest release build below. It ships ready to load — no compiling needed.
- 2
Load unpacked
Chrome:
chrome://extensions→ Developer mode → Load unpacked. Firefox: load a temporary add-on. - 3
Pin & play
Pin it via the puzzle icon, open any YouTube video, and control speed from the popup, badge or shortcuts.
Why us
Private by design, powerful by default
| Capability | Playback Controller | Typical extension |
|---|---|---|
| Two-way native sync | ✓ | — |
| Per-channel automation | ✓ | rare |
| Speed profiles | ✓ | — |
| Reverse playback | ✓ | — |
| Zero data collection | ✓ | varies |
| No sign-up required | ✓ | often no |
| Price | Free | freemium |
FAQ
Questions, answered
The answers here cover the essentials — most questions are resolved in a minute.
Yes — 100% free. No ads, no accounts, no paid tiers, ever.
Yes. It runs on youtube.com, music.youtube.com and youtu.be, syncing with each player’s native speed controls.
No. Settings live in your browser via the extension storage API. The only optional network call is to the Return YouTube Dislike API — it receives just a video ID, and only if you turn on dislike counts. See the privacy policy.
Chrome and Firefox, plus Chromium browsers like Edge, Brave, Opera and Vivaldi.
Take control of the clock.
Free, private, no tracking. Install once and every YouTube tab bends to your speed.
By installing you agree to the disclaimer.