About Harper
Proofread the selection with Harper, the offline grammar checker.
Proofread the selection with Harper, the offline grammar checker.
Translate the selected text instantly — result previewed in the popup or pasted in place. Fully keyless: cascades across Google, LibreTranslate, SimplyTranslate, and Lingva endpoints with source-language auto-detection.
Text-to-speech using system voice.
Translate the selected text into English with Google Translate.
Open Google Maps with the selected text as a search query.