🧩 Manifest V3 · Chrome / Edge / Firefox
Right-click any video → caption it
The BurnSub browser extension adds "Burn subtitles in BurnSub" to your right-click menu on every HTML5 video on the web. One click → your video opens in the editor.
🖱️
Right-click any video
Works on YouTube, Vimeo, Twitter, your own pages — anywhere there's an HTML5 video element.
⚡
Instant editor
Opens BurnSub in a new tab, ready to caption. Drop your local file or use the source URL.
🔒
Privacy-first
Extension reads no page content. Just adds a context-menu item. Zero analytics.
Install (developer mode, today)
- Download the extension folder: github.com/atillakuruk/burnsub/extension
- Open
chrome://extensions(oredge://extensions) - Toggle Developer mode on (top-right)
- Click Load unpacked → select the
extension/folder - The 🔥 BurnSub icon appears in your toolbar — done
Web Store listing coming soon. Awaiting Chrome Web Store review (~$5 dev-account fee + 1–3 day review). Once approved, you'll be able to install with one click.
Open source
The extension code is short (60 lines) and open-source. Read it before installing if you want — that's the whole point. No bundlers, no obfuscation.
- manifest.json — Manifest V3 declaration
- background.js — Service worker registering context-menu items
- popup.html — Toolbar popup
What the extension does NOT do
- Read any page content beyond the right-clicked video URL
- Track your browsing
- Inject scripts into any page
- Send any data anywhere — it just opens a BurnSub URL with a query param