Prevent Duplicate Tabs - Open Source

Unknown author · Functionality & UI

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

Mar 6, 2026

Media

2 items

Description

DUPLICATE TAB DETECTOR: This open source extension helps manage your browsing by alerting you when you’re about to open a tab… DUPLICATE TAB DETECTOR: This open source extension helps manage your browsing by alerting you when you’re about to open a tab that’s already open. Originally inspired by my habit of opening the same links from emails or Slack, it efficiently closes new duplicate tabs, keeping the browser tidy and uncluttered.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
36
Description length
Characters in the listing description.
438
Media assets
Screenshots and videos on the listing.
2
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
43.3

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.