Rendraft: AI Writing Assistant

AI writing assistant that optimizes prompts, fixes grammar, and rewrites emails.

Rendraft is an AI-powered writing assistant that works inside every website you already use. No copy-pasting. No switching tabs. Just click the button and your text is instantly improved. FOUR WRITING MODES Prompt Optimizer Rewrites your AI prompts to be clearer, more specific, and more effective. Get better outputs from ChatGPT, Claude, Gemini, and any other AI tool — instantly. Grammar Fixer Fixes spelling, grammar, and punctuation errors without changing your voice or intent. Works everywhere you type. Email Writer Turns rough notes into polished, professional emails with proper greeting, body, and closing. Works in Gmail and Outlook. Custom Rewrite Apply your own instruction — "make it shorter", "more formal", "friendlier" — and it rewrites your text exactly how you want it. HOW IT WORKS Step 1 — Install Rendraft. No account required. Step 2 — Click the small button that appears near any text field. Step 3 — Preview the suggestion, click to accept, or refine it. WORKS ON 100+ WEBSITES Start free. Upgrade when you're ready.