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Private Translation, Spell & Grammar Checker Tools

The most reliable source for privacy tools since 2015. Software, services and privacy guides to fight surveillance with encryption for better internet privacy.

DeepL Translate: The world's most accurate translator
Bitcoin Supports File Uploads Closed-Source

Warning: The free version of DeepL does not respect your privacy, only the paid pro version. Source: Privacy Policy. The texts of free users are used to train and improve the neural networks and translation algorithms.

An Unofficial Android App for DeepL Translator is available on F-Droid.

Lingva Translate: Alternative front-end for Google Translate without tracking
Bitcoin Self-Hosted Open-Source

Retrieves translations without using any Google-related service, preventing them from tracking.

LanguageTool: Grammar, style, and spell checker
Freemium Bitcoin Office All Browsers Win iOS Mac Open-Source

Great alternative to Grammarly. Plugins and apps available for: Firefox, Chrome, Edge, Safari, Opera, iOS, macOS, Windows, Google Docs, Microsoft Office, LibreOffice, OpenOffice, Gmail, Apple Mail and Thunderbird.

SimplyTranslate Mobile: Alternative front-end for Google Translate for Android
Bitcoin Android Phones Tablets Open-Source

Clearweb, Onion, I2P and Lokinet instances are also available for SimplyTranslate.

LibreTranslate: No ties to proprietary services and can be self-hosted
Bitcoin Self-Hosted Open-Source

100% Self-Hosted. No Limits. No Ties to Proprietary Services.

Worth Mentioning:

Many people have a common misconception that free online translation services are the same as automatic translation generation tools. While they can help you translate certain websites and blogs, they often do not offer an option to translate text locally or privately. If you want to use a translation tool, choose a service that lets you enjoy your privacy.

Privacy tools and services listed on this page are all open-source unless marked otherwise: Criteria.