LangTest Pro

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

Detects the presence of a specific language on webpage.Enter language code(e.g., en, ar, es) to check for its presence & word counts

Users

−2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#180K

#150K among extensions

Version

3.1

updated 14 Mar 2025

Users

monthly, 2 years

Latest, 17 Oct 2026: 12 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 17 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About LangTest Pro

This extension analyzes the language composition of any webpage, identifying language of text on webpage .This extension is Ideal for localization testing, content analysis, and ensuring multilingual website accuracy. It highlights words matching a specific language, aiding in visual verification. It uses langid library to detect languages within the text, even in JavaScript-rendered content. The extension sends website URLs to a secure server for language analysis and returns language data to the extension.