EditGPT is a smart 2026 AI-powered proofreading and editing Chrome extension + web app that supercharges ChatGPT into a full-featured editor like Grammarly—but better in many ways. It proofreads, rewrites, improves clarity/flow/tone, tracks changes (accept/reject), supports custom prompts, preserves formatting, handles 80+ languages, imports/exports Word docs with track changes, and keeps your data private. Great for writers who want control over their voice while getting instant AI help—free tier with solid limits, Pro for heavy use.