Subscribed SinceSubscribed Since Add to Chrome
YouTube Browser Extension

See when you subscribed to any YouTube channel.

A small badge that appears next to YouTube's subscribe button with your exact subscription date and tenure.

Add from the Chrome Web Store
Read-only access No external servers Lightweight
youtube.com
TED-Ed channel — subscribed since March 26, 2017 (9Y)
Mark Rober channel — subscribed since May 2, 2020 (2Y)
Vox channel — subscribed since March 22, 2020 (6Y)
Crash Course channel — subscribed since November 12, 2017 (8Y)
WIRED channel — subscribed since December 27, 2022 (2Y)

How it works

Three steps. Then forget it's there.

5Y
Subscribed sinceJune 23, 2020
  1. 01

    Install & sign in

    Add the extension to your browser and sign in with Google.

  2. 02

    It syncs your subs

    Your subscriptions are fetched once and cached securely in local browser storage.

  3. 03

    Visit a channel

    The badge appears next to the subscribe button with your tenure and exact date.

Privacy

Your subscriptions never leave your browser.

I built Subscribed Since to be the kind of extension I'd trust myself. Minimal permissions, no server, no tracking.

Read the full privacy policy →
  • Read-only YouTube scope. The extension cannot subscribe, unsubscribe, or change anything in your YouTube account.
  • Subscription data is stored only in your browser's local extension storage.
  • No analytics, no database, no custom backend. Everything is on your device.
  • Sign out any time to wipe the local cache and revoke the cached token.

FAQ

Questions, answered.

Which browsers are supported?
Chrome is supported today, with Firefox and Safari builds on the roadmap.
What languages are supported?
Subscribed Since currently support English, with additional languages coming soon.
Does it work on every channel page?
Yes — across @handles, /channel/, /c/, and /user/ URLs, and across YouTube's current and older header layouts.
What does the tenure format mean?
If you've been subscribed for at least a year, it shows years (e.g. 4Y). Otherwise months (6M), or days (9D).
How was this extension made?
Subscribed Since was made with WXT using the WebExtensions API.
How fresh is the data?
Your subscriptions auto-refresh every 6 hours, and again shortly after you subscribe or unsubscribe. You can also manually refresh the data from the extension pop-up menu.