AI writing assistant that can read your documents

Brainstorm, plan, get feedback or ask questions about a document you upload. Lumi answers from your file when you attach one, and tells you plainly when the answer isn't in it.

Free plan available. No card required.

Why use the TextLumi AI Writing Assistant

Chat with your files

Upload a PDF, Word document or text file and ask questions about it.

Honest answers

It won't invent sources, quotes or statistics, and it says when it doesn't know.

Writing feedback

Ask for structure, clarity or argument feedback on your own work.

British English

Replies in clear UK English by default.

How to use it

  1. 01

    Ask a question, or attach a document first.

  2. 02

    Follow up as you would with a tutor.

  3. 03

    Send useful answers to your other tools.

AI Writing Assistant FAQs

Can I chat with a PDF?

Yes: attach a PDF, Word or text file and ask about its contents.

Are my conversations saved?

No, chat conversations aren't stored.

Is it free?

The free plan includes a monthly allowance.

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