MM Ruler

Unknown author · Tools

Users

Avg rating

4.3

Ratings

Updated

Aug 24, 2026

Media

1 item

A simple millimeter ruler for measuring elements on web pages This is a handy mm measuring tool for chrome. Press esc to close.

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

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
8
Description length
Characters in the listing description.
128
Media assets
Screenshots and videos on the listing.
1
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).
71.1

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