Compose AI – Your Personal AI Writing Assistant
Compose AI is a free Chrome extension that brings generative AI directly into any text field you use on the web. By leveraging large language models, it offers real‑time autocomplete suggestions, personalized phrasing, and seamless integration with your existing workflow. The tool claims to cut writing time by up to 40 %, helping professionals, students, and anyone who types a lot to produce content faster and with less effort.
Key Features
- Universal Autocomplete – Works in Gmail, Google Docs, Slack, Notion, CRM tools, code editors, and virtually any web‑based text input.
- Personalized Writing Style – The AI learns your voice over time, suggesting phrases that match your tone and preferred vocabulary.
- Unobtrusive Integration – A lightweight overlay that does not interfere with the native UI of the host application.
- Free Core Version – The basic plugin is free forever; a premium tier unlocks advanced personalization and additional shortcuts.
- Privacy‑First – Your typed text is only used to generate better completions and is never sold; a clear privacy policy is provided.
- Cross‑Platform Support – While initially a Chrome extension, the roadmap includes Edge and Firefox compatibility.
Typical Use Cases
| Scenario | How Compose AI Helps | 
|---|---|
| Email Drafting | Instantly finish sentences, suggest polite closings, and adapt tone for formal or casual messages. | 
| Document Creation | Generate outlines, expand bullet points, and maintain consistent style across reports or proposals. | 
| Customer Support | Speed up ticket responses with context‑aware suggestions, reducing average handling time. | 
| Content Writing | Produce blog intros, social media captions, or ad copy while preserving your brand voice. | 
| Coding Documentation | Autocomplete comments and documentation strings directly in web‑based IDEs. | 
Frequently Asked Questions
What is Compose AI?
A free Chrome plugin that provides AI‑driven autocomplete across any web‑based text field, aiming to reduce typing effort.
Is there a cost?
The core plugin is free forever. A premium subscription offers extra personalization features and priority support.
How do I get support?
Reach out via email at
support@compose.aior consult the in‑app help guide.
What about my privacy?
Compose AI only processes your text to generate completions and does not sell or share your data. Detailed policies are available on the website.
Getting Started
- Install the Extension – Click the “Install Extension” button on the homepage or visit the Chrome Web Store.
- Create an Account – Sign in to sync your preferences across devices.
- Start Typing – As you type, suggestions appear; press Tabto accept.
- Customize – Adjust tone, formality, and shortcut settings in the extension’s options panel.
Compose AI aims to become the invisible co‑author that lets you focus on ideas rather than the mechanics of typing.
Trusted by over 10,000 teams and 400,000 individual users, backed by Y Combinator.







