Umbra

Unknown author · Tools

Open in Chrome Web Store

Users

—

Avg rating

—

Ratings

—

Updated

Oct 15, 2026

Media

2 items

Description

Selection and full-page translation with any OpenAI-compatible API (BYOK) Umbra is a browser extension for translating selected text and full web pages. Translations run through any OpenAI-compatible chat API that you configure yourself: enter the base URL, API key, and model on the options page. Your key stays in local browser storage. Features: · Selection translation: a translate button appears on selected text, with the translation shown in a floating bubble · Full-page translation with one-click restore of the original text · Customizable target language and instant-translate-on-selection preferences · Context-menu shortcuts for translating selections or the whole page

History

30d 90d 1y all

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
5
Description length
Characters in the listing description.
709

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

Media assets

Screenshots and videos on the listing.

Has promo video

Whether the listing includes at least one video.

Languages

Declared language locales.

Developer website

Listing exposes a developer website URL.

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).

—

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