Question 1

How does X Read Marker detect read posts?

Accepted Answer

X Read Marker uses smart detection to automatically mark posts as read after 2 seconds of viewing. Read posts are visually greyed out so unread content always stands out clearly.

Question 2

Does X Read Marker collect my data or make network requests?

Accepted Answer

No. X Read Marker is 100% privacy-first. It makes zero network requests. All data — including read post IDs and browse time statistics — is stored locally on your device using Chrome's storage API. Nothing is ever sent to external servers.

Question 3

Is X Read Marker free?

Accepted Answer

Yes, X Read Marker is completely free. You can install it from the Chrome Web Store at no cost, with no ads, no premium plans, and no hidden fees.

Question 4

What features does X Read Marker include?

Accepted Answer

X Read Marker includes: smart read detection (auto-marks after 2 seconds), greyed-out read posts, a reading stats dashboard with read count, browse time and 7-day trend charts, bilingual support (English and Chinese), and automatic light/dark theme adaptation.

Question 5

Does X Read Marker support dark mode?

Accepted Answer

Yes. X Read Marker seamlessly adapts to both light and dark themes on X (Twitter), matching your preferred display mode automatically.

Never Re-read a Post Again

Everything you need, nothing you don't

Smart Read Detection

Greyed-out Read Posts

Reading Stats Dashboard

Privacy First

Bilingual Support

Theme Adaptive

See it in action

Up and running in seconds

Install Extension

Browse as Usual

Auto-Mark

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