Compose AI

Compose AI is a free Chrome extension that adds AI-powered autocomplete to everyday writing across the web — email, documents, social posts, and other text fields — rather than requiring users to copy text into a separate app. As a user types, it suggests how a sentence might continue, which can be accepted with a keystroke, similar in spirit to code autocomplete but applied to general writing. Who it's for: anyone who writes a high volume of everyday text online — emails, messages, social posts, forms — and wants to speed up routine writing without switching to a separate AI writing tool for every short message. Because it works inline inside existing webapps like Gmail and Google Docs rather than a standalone editor, it suits people who want writing help without changing their workflow at all. Strengths: being a lightweight browser extension rather than a separate app is the main advantage — there's no copy-pasting between tools, and suggestions appear directly where a user is already typing. It also includes commands for rewriting, shortening, or expanding selected text, extending it beyond pure autocomplete into light editing help, and the company states it can meaningfully cut down the time spent on routine writing. It's free to use, with no separate subscription required to get the core autocomplete functionality. Limitations: as an autocomplete-style tool, it's better suited to short, routine writing than long-form content generation — for drafting a full article or a large document from a prompt, a dedicated AI writing tool with templates or a chat interface is a better fit. Like any browser extension, it needs permission to read and suggest text inside the pages a user visits, which is worth understanding before installing, and quality of suggestions depends on the context it can see on a given page. Real-world scenarios: speeding up everyday email replies without changing email clients, getting inline suggestions while drafting in Google Docs, quickly rewriting or shortening a paragraph without leaving the page it's written in, and reducing typing time on repetitive, similar messages. For full document or long-form drafting, tools like Rytr or Notion AI are more common comparisons.