Sync YouTube Comments
Across Your Channels
YouTube Sync Comments helps creators and communities watch uploads like live chat. Install the extension, sign in with Google, try Sync Plus free for 14 days, then keep lifetime Plus or subscribe to Sync Pro for pin & area comments.
Install from Chrome Web Store
Available now
Install the Chrome extension from the link below.
Sign in with Google to start syncing comments across your channels.
Requires Google Chrome or a Chromium-based browser.
Plans for Every Viewer
Try Sync Plus free for 14 days. Keep lifetime Plus, or subscribe to Sync Pro for pin & area comments.
Unlimited sync · Filters · Translation · Skins · Compose
Everything in Plus · Pin & area comments
Everything in Plus · Pin & area comments
What You Get
Timestamp-Synced Comments
Auto-collect comments with timestamps and reveal them as the video plays. Browse Live, Timestamps, and All tabs — click any moment to jump. Free tier shows up to 5 synced comments per video.
On-Video Overlay
Float synced comments over the player instead of the sidebar. Choose bottom, top, or corner layouts — Sync Plus unlocks full layout control and panel resize.
Sync Plus Toolkit
Unlimited collection, include/exclude keyword filters, YouTube-native translation, widget skins, and timestamped comment compose — with a 14-day free trial.
Pin & Area Comments
Sync Pro lets you pin exact spots or drag regions on the video when commenting. Everyone can see markers; composing pin & area comments requires Pro.
Reaction Insights
Turn on comment-density glow around the player edge, or a reaction graph that shows where chat peaks — available on the free tier.
Google Sign-In
Authenticate securely with your Google account. Plus and Pro status stay tied to your email across devices.
Plus Lifetime & Pro Subs
After the trial, keep Sync Plus forever for $3.99, or subscribe to Sync Pro monthly ($1.99) or yearly ($17.99) for pin & area tools.
How to Upgrade
- Install the YouTube Sync Comments extension from the Chrome Web Store.
- Sign in with your Google account inside the extension.
- Start the 14-day trial or choose Sync Plus / Sync Pro checkout in the extension.
- Enjoy unlocked features immediately after confirmation — Pro adds pin & area compose.
Share Your Ideas
Have a feature request or improvement idea for YouTube Sync Comments? We'd love to hear from you.