Lex AI Writing Assistant Cheat Sheet (2026)

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Sign up and log in to Lex by visiting their website and authenticating via email or Google.

Create a new document by clicking the "New Document" button in the dashboard.

Start typing your ideas directly into the minimalist editor to build your initial context.

Trigger the AI assistant by typing +++ to have Lex automatically continue your thought or sentence.

Highlight text to access inline AI editing features like rewrite, summarize, or tone adjustment.

Open the sidebar chat to brainstorm ideas, generate outlines, or ask research questions without leaving the page.

Organize your work by renaming the document and sorting it into folders within your workspace.

Lex AI Writing Assistant Cheat Sheet