Umbra

Unknown author · Tools

Open in Chrome Web Store

Users

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Avg rating

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Ratings

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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

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.
5
Description length
Characters in the listing description.
709
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.
2
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.
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Keyword occurrences in description
Count of case-insensitive occurrences in the description.
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Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
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These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.