What Side Reader is
A PDF reader with an assistant attached to the side. The document stays open on one side and questions are asked on the other, so checking a claim does not mean losing your place.
It is meant for reading with, rather than for converting documents.
What you can do with it
- Open a PDF in the browser
- Ask questions about it in the sidebar
- Locate a specific passage
- Summarise the document
- Keep your place while checking something
- Work through documents faster
Who it is for
- Students reading papers
- Knowledge workers handling reports
- Anyone checking the detail of a contract
- People who read PDFs daily
What to watch out for
- Important conclusions, customer data and financial material need manual review
- Uploading a confidential PDF means checking where it is processed
- Free use is limited to a few documents a day, so heavy use needs a paid plan
- Answers should be checked against the actual page before being used
Pros & cons
✓ What we like
- Reading and questioning in one window
- No switching between tools
- Free daily allowance
- Good for long documents
! What to watch out for
- Daily document limit on free use
- Confidential PDFs need a policy check
FAQ
What does it do?
It lets you read a PDF and ask questions about it in a sidebar, without leaving the document.
Is there a free version?
Yes, with a limit on how many documents can be uploaded per day.
Can I rely on the answers?
Check them against the document. Important material needs manual review.
Last reviewed: 2026-09-15
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