Offline Translator
Offline Translator is a free, open-source utility app for Android. On-device translation of text, images and pdf/odt files, with TTS. It has 1,338 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid.
github.com/DavidVentura/offline-translator (opens in a new tab)
Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error
About Offline Translator
A translator app that performs on-device translation of text, images and pdf/odt documents without sending your data to external servers. Features: • No internet required for translation once models are downloaded • Image translation overlay that preserves original formatting (OCR) • PDF/ODT file translation • Text-to-speech (TTS) for most languages • Automatic language detection • Transliteration of non-latin script • Quick translation of on-screen content via Accessibility service or Device Assistant role Supports 61 languages: - Albanian - Arabic - Azerbaijani - Basque - Belarusian - Bengali - Bosnian - Bulgarian - Catalan - Chinese (简体) - Chinese (繁體) - Croatian - Czech - Danish -…
Privacy and F-Droid
F-Droid builds Offline Translator from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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Is Offline Translator free and open source?
Yes. Offline Translator's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Offline Translator?
You can install Offline Translator from F-Droid (package dev.davidv.translator); the links are on this page. Its GitHub repository also publishes releases (latest: v0.8.7).
Is Offline Translator still maintained?
The repository's most recent commit was on Oct 26, 2026. Its F-Droid listing was last updated on Sep 12, 2026. appsgit only lists apps whose repository had a commit in the last six months.