Grammarly
Checks grammar, clarity and tone as you type in emails, documents and web forms, and helps draft and edit text on most sites.
Chrome extension
Proofreads, rephrases, completes and summarizes your text in Google Docs, email and social sites, with an AI chat for English and German writers.
JetBrains Grazie proofreads, rephrases, completes and summarizes your writing across the web, from Google Docs to email and social media. It also includes an AI chat, and is aimed at people who write in English or German.
Write in a text field on any site and review Grazie's suggestions, or open its chat for help with a passage; settings let you tailor it to your style.
Full support covers English and German only, and AI features send your text to JetBrains' service.