Local AI Translation and Browser Reading Apps

Linguist is a free browser translation extension for people who read across languages and want control over where their text goes. Its built-in Bergamot translator processes text on your device without an internet connection. You can also choose an external translation provider or connect a local backend such as Ollama or LibreTranslate.

ChatGPTBox is a free, open-source browser extension for people who want AI help with the pages they read, search results and selected text. It works in Chrome, Edge, Firefox and Safari, with mobile support too. You can connect it to Ollama or a self-hosted model through its custom model mode, or use cloud services such as ChatGPT, Claude, Moonshot and Azure.

NativeMind brings a local AI assistant into Chrome for people who want help with webpages, documents, and writing without sending that content to a cloud model. The browser extension connects to Ollama on your machine, keeping prompts and AI processing on-device. It requires no account and uses the AGPL-3.0 open-source license.

Page Assist brings local AI chat into your browser, with a sidebar for conversations alongside a webpage and a separate tab for a ChatGPT-style interface. It's for people who already run models on their own hardware and want to ask questions about what they're reading without leaving the page.

Immersive Translate is an AI translation extension and mobile app that keeps original text alongside its translation. It's aimed at students, researchers and people who read foreign-language material for work. The bilingual page layout lets readers compare passages without replacing the source text.

Argos Translate runs neural machine translation locally, so you can translate text without sending it to an online service. It's for people who need offline translation and developers who want to add it to their own software. The Python library and desktop interface use the same translation engine, and the project is open source under the MIT license.

PDFMathTranslate translates scientific PDFs while keeping their page layout, formulas, charts, contents pages and annotations. It's for researchers, students and others who need to read papers in another language without losing the relationship between the text and its figures. It produces both translated PDFs and bilingual documents for comparison with the original.

TranslateLocally is an open source machine translation app for Windows, macOS and Linux. It's for people who want to translate text on their own device, including those handling material they don't want to send to a remote translation service. The desktop app has an MIT license and uses Marian and Bergamot translation models.

Speech Note combines offline dictation, reading aloud and translation in a desktop app for Linux and Sailfish OS. It's for people who want to take multilingual notes, type by voice or listen to text without sending their words to a cloud service. Speech and text processing stay on your device; models are downloaded separately through the app's graphical browser.

Interpreter reads Japanese text from game windows and displays English translations over your screen. It's built for people playing Japanese retro games, with MeikiOCR tuned for game text and pixel fonts. The default OCR and Sugoi V4 translation models run locally, so text stays on your computer and no internet connection is needed after setup. It's open source under the MIT license, with support for Windows, macOS and Linux.

OPUS-CAT runs neural machine translation locally on Windows for professional translators who work in computer-assisted translation (CAT) tools. Its offline engine keeps translation processing on the user's computer, so translators can use machine translation for confidential text without sending it to a cloud translation service.