SpeedX Pro - Video Speed Controller

Control video & audio playback speed from 0.1x-4x. Per-site memory, keyboard shortcuts & fine-tuning for Chrome.

SpeedX Pro gives you precision control over video and audio playback speed on any website. Fine-tune from 0.1x to 4.0x, save per-site preferences, and use keyboard shortcuts for blazing-fast speed adjustments. Built for learners, binge-watchers, podcast addicts, and anyone who wants to consume content at their own pace. ⚡ Core Features • PRECISION SPEED CONTROL — 0.1x to 4.0x range with 0.1x step increments. Slider + button dual control for both quick jumps and fine adjustments. • FLOATING SPEED PANEL — Hover over any video to see an elegant speed control overlay with quick presets and fine adjustment buttons. No more hunting through menus. • 6 QUICK PRESETS — One-click access to 0.5x, 0.75x, 1x, 1.25x, 1.5x, and 2x speeds. • PER-SITE MEMORY (Pro) — Remembers your preferred speed for each website. 2x on YouTube, 1.5x on Coursera, 1x on Netflix — automatically applied next time. • KEYBOARD SHORTCUTS (Pro) — Your hands never leave the keyboard: D = Speed up, S = Slow down, R = Reset to 1x, Space = Play/Pause Global shortcuts: Alt+Shift+D/S/R/Space • MUTATION OBSERVER — Automatically detects dynamically loaded videos (SPA sites, YouTube, Netflix, etc.) and applies your speed instantly. • ALL-FRAME SUPPORT — Works with embedded videos in iframes too. • DARK THEME UI — Easy on the eyes, matches modern browser aesthetics. 🎯 Perfect For • Students speeding through lecture videos • Podcast listeners who love 1.5x • Language learners slowing down foreign content • Binge-watchers who want to finish that season tonight • Anyone frustrated by limited built-in speed options ✨ Free vs Pro FREE: • Basic speed control (0.1x — 4x) • Quick presets (6 speeds) • Floating panel on videos • Unlimited use PRO (one-time $9 purchase): • Per-site speed memory (auto-apply on each site) • Full keyboard shortcuts (D/S/R + global Alt+Shift combos) • Play/Pause shortcut control • Priority support & future updates • Upcoming pitch preservation feature All speed control happens locally using the browser's native playbackRate API. No data collection, no tracking, no accounts. Built with ❤️ by DevToolHub Part of the Speed & Sound series of extensions for Chrome.