Subtitle Overlay: Add Subtitles to Any Video

🎬 Subtitle Overlay: Custom subtitles for any video Add your own subtitle files to any video playing in your browser. Perfect for when streaming services don't provide subtitles in your language, when studying a foreign language, or when existing subtitles need timing adjustments. ✨ Features - Supported formats: SRT, SMI, VTT, ASS - Search and download subtitles directly from OpenSubtitles - Automatic subtitle suggestions for the video you're watching on supported streaming sites (optional, can be turned off) - Drag & drop a subtitle file straight onto the video - Automatic character encoding detection: Japanese, Chinese, and Korean files just work - Deeply customizable styling: adjust font size, family, color, and background - Text outline and background blur to maximize readability - Subtitle positioning: top, middle, or bottom - Real-time timing adjustment with keyboard shortcuts - Visual Sync Timeline panel: see every subtitle line, jump directly to any part, or click to instantly snap it to the current playback time - Click-to-copy: simply click the on-screen subtitle to instantly copy its text to your clipboard - Fullscreen support on compatible video players - Auto-Restore Subtitles: Revisit a video, restore its last subtitle and sync in one click. Completely local and private. - Interface fully localized in 9 languages - Style subtitles right on the video: the sync panel now has a Style tab, so you no longer have to open the popup - Korean, Japanese, and Chinese font options - Text scales with the screen, so one setting works in a small window and in 4K fullscreen - Fine vertical adjustment to lift subtitles clear of the player's control bar 🚀 Subtitle Overlay Pro is here: Smart Sync Smart Sync finds a timing adjustment when you start it. Try 5 applied syncs free; failed attempts and declined suggestions do not count, and Undo restores a use. Pro removes the trial limit. Audio is processed on your device. On supported browsers, optional speech downloads can improve matching. Chrome asks for permission to capture the current tab's audio when needed. Accuracy depends on the video and subtitle file; some players cannot share audio. It does not continuously monitor playback. Planned Pro features include AI Translate, Auto Captions, a larger subtitle library, A–B repeat and a dictionary. These are not available yet; there is no announced release date. OpenSubtitles downloads have daily limits and depend on shared service availability. Pro offers a higher per-install limit, not unlimited downloads. Pro membership: $3.99 a month or $23.99 a year. Cancel anytime; Pro stays on until the paid period ends: https://iknowhim.gumroad.com/l/subtitleoverlay-pro-membership Founding lifetime: $34.99 once. 50 seats only, on sale until December 31, 2026 (KST) or until they sell out: https://iknowhim.gumroad.com/l/subtitleoverlay-pro ⌨️ Keyboard shortcuts + / − Resize subtitles < / > Adjust timing (0.5s) [ / ] Fine timing (0.1s) A / D Previous / Next subtitle R Reset timing H Show / hide subtitles P Cycle position V / B Cycle text / background color O Cycle background opacity 🚀 How to use 1. Open the extension while a video is playing. 2. Search for subtitles or upload your own file. 3. Hover near the right edge of the page to reveal the Sync Timeline panel. Click any subtitle line to jump to that scene, or align it with the current playback time. You can also click the pin to keep the panel open. 4. Click the subtitle text on the video to instantly copy it to your clipboard. 5. Use keyboard shortcuts to fine-tune timing and size on the fly. 6. Customize the appearance to your liking in the Styling tab. ℹ️ Note This extension does not modify or download any video content. It simply renders your subtitle files on top of the video player in your browser. 🔗 Homepage, FAQ and privacy policy https://fivestar1103.github.io/subtitle-overlay/