WriteFlow AI

AI writing in browser text fields using your own AI provider key. Optional Pro licence validation uses Gumroad.

WriteFlow AI helps you write, rewrite and reply in the text boxes you already use on the web, with the AI provider of your choice. HOW IT WORKS Click into a text box and a small WriteFlow button appears. Choose what you want, review the suggestion, then click Replace, Insert or Copy. Nothing is ever posted or sent without your click. BRING YOUR OWN KEY WriteFlow has no server and no account. You connect your own API key from OpenAI, Anthropic, Google Gemini, Groq or OpenRouter. Some providers offer free tiers that don't need a card. There's also a built-in Mock mode so you can try the extension with no key at all. FREE FEATURES - Rewrite, Shorten and Fix grammar - Translate - "Write it for me": draft messages, paragraphs and emails from a short prompt - Basic reply styles for social posts - Style DNA: set your preferred tone and style by hand - Keyboard shortcut: Ctrl+Shift+Space (Cmd+Shift+Space on Mac) PRO FEATURES (paid licence, bought separately) - Smart Reply: reads the post or email you're replying to and suggests reply strategies that fit it - Audience detection - Custom instructions and saved prompts - Automatic Style DNA learning from your edits - A backup AI provider WHERE IT WORKS WriteFlow works in the compose boxes of popular webmail, social and team-chat sites. You can also turn it on for any other site with one click from the popup. PRIVACY - Your API keys and settings are stored only on your device and are never synced - Text is sent directly from your browser to the AI provider you chose, only when you ask for a suggestion - Password, payment and one-time-code fields are ignored - No analytics and no tracking - You can turn WriteFlow off on any site, and delete all its data from Settings