Translation Comparison is a Firefox extension tailored for translating and comparing text using multiple online translation services. It supports over 90 languages and integrates results from major providers such as Google, Microsoft Bing, and Yandex, displaying them side-by-side for easy comparison. Users can select preferred services and adjust their priority settings, ensuring a customized translation experience. The extension also features automatic language detection and text-to-speech capabilities in 30 languages, making it accessible for a wide range of users.

The latest version enhances functionality by adding support for 15 new languages and offering text editing options. Users can take advantage of shortcut keys for quick navigation and enjoy a localized interface available in 22 languages. With its synchronized source text across various translation providers, Translation Comparison stands out as an essential tool for anyone requiring accurate and efficient translations.