VelocityX — 视频速度控制器

使用 Silence Skip、AB Loop、PiP、键盘快捷键、网站规则、自定义叠加层和本地分析控制视频速度。免费。

VelocityX gives you complete control over HTML5 video playback speed — directly from a popup, a customizable on-video overlay, keyboard shortcuts, or a full settings dashboard. Built for people who watch online courses, tutorials, lectures, research videos, long reviews, and YouTube Shorts, VelocityX turns passive watching into focused, efficient learning. ─────────────────────────────────────── SPEED CONTROL ─────────────────────────────────────── · Increase or decrease speed in precise steps you define · Speed presets — set three custom speeds and switch instantly · Direct speed input — type any value from 0.1× to 16× · Reset to 1× speed in one click or one keystroke · Remember Speed — VelocityX remembers your last speed automatically · Remember Per URL — different speed for different sites, automatically ─────────────────────────────────────── SILENCE SKIP ─────────────────────────────────────── · Automatically detects and skips quiet pauses in any video · Configurable silence threshold, delay, and skip speed · Works on lectures, podcasts, course videos, and talking-head content · Keeps you in control — silence skip is always on your terms ─────────────────────────────────────── LOOPS AND REPLAY ─────────────────────────────────────── · AB Loop — set a start and end point and replay any section on repeat · Mark and Jump — drop a marker at any moment and return to it instantly · Loop Last N Seconds — replay the last few seconds with a single shortcut · Standard loop toggle for full-video or segment repeating ─────────────────────────────────────── PICTURE-IN-PICTURE AND AUDIO ─────────────────────────────────────── · Picture-in-Picture — pop any video into a floating window · Volume up and volume down controls from the overlay or keyboard · Mute toggle without leaving your workflow · Works with standalone audio players, not just video ─────────────────────────────────────── KEYBOARD SHORTCUTS ─────────────────────────────────────── · Fully remappable keyboard shortcuts for every action · Supports modifier combos — Shift, Ctrl, Alt, and Meta · Shortcuts for speed up, slow down, reset, skip forward, skip backward, toggle overlay, PiP, presets, loop, volume, mark, jump, AB start, AB end ─────────────────────────────────────── SITE RULES ─────────────────────────────────────── · Per-site speed rules — set a default speed for any domain automatically · Disable VelocityX on specific sites where you do not want it active · Regex pattern support for advanced domain matching · Optional page-level CSS injection for site-specific display fixes ─────────────────────────────────────── CUSTOMIZABLE OVERLAY ─────────────────────────────────────── · Choose which buttons appear on the overlay — speed, loop, AB, PiP, volume, and more · Adjust overlay size, position, opacity, and corner placement · Drag the overlay anywhere on the video · Show or hide the overlay on any page independently ─────────────────────────────────────── LOCAL ANALYTICS ─────────────────────────────────────── · See how much time you have saved using VelocityX over your lifetime · Speed distribution chart showing how you actually watch video · All analytics stay local — nothing is sent to Coreova or any server · Export your saved-time stats as a shareable PNG card ─────────────────────────────────────── YOUTUBE SHORTS SUPPORT ─────────────────────────────────────── · VelocityX works on YouTube Shorts — the standard player blocks speed changes · Precise speed control on short-form video, the same as long-form · No separate configuration needed — it just works ─────────────────────────────────────── PRIVACY FIRST ─────────────────────────────────────── · Runs entirely in your browser — no remote server, no cloud processing · Does not collect, transmit, or sell any personal data · Does not send playback history, browsing activity, or analytics to Coreova · Settings, shortcuts, site rules, and local analytics live in browser storage · If Chrome sync is enabled, your preferences follow you across devices under your own Google account — never through Coreova ─────────────────────────────────────── FREE AND OPEN SOURCE ─────────────────────────────────────── VelocityX is free. No subscription, no premium tier, no tracking. The full source code is available on GitHub under the Coreova organization for anyone to read, audit, or contribute to. VelocityX is published by Coreova — built for focused watching, efficient learning, and serious video review.