What does Chat with PDF do?
Chat with PDF is a free online tool that can ask questions about readable PDF text using AI when the AI provider is set up. The result is a text response for you to review. One possible use is authorized reports queried for a reading aid.
Chat with PDF lets you ask questions about readable text read from one sent PDF when the AI service is set up. It can help locate a topic or ask for an explanation of a passage.
But the response is generated by an external model and can be wrong. This tool reads the PDF's text layer rather than performing OCR.
The model receives only a limited portion of long files, so an answer may overlook material later in the source. A model answer is a draft reading aid.
Ask a narrow question that you can check against a passage. A confident response is not proof that the passage exists.
Later text can fall outside the model's input limit. Keep the PDF open beside the chat while reviewing answers.
Ask questions about readable PDF text online: steps
Before using Chat with PDF, decide what the new copy must contain and where it will be used. Check that the AI feature is offered before starting. Review the upload area and all values required by the current Chat with PDF form.
Choose the source
Locate the source passage before using a reported figure. For Chat with PDF, choose one source from your device. Keep a source copy for another attempt.
Review the form values
The Chat with PDF form has no extra task settings. Check the source in the file area.
Request the text response
Uploading starts the PDF text-reading step for the chat. Wait for that step, then enter a question about the source.
Check the response
Compare each important answer with the original passage and avoid assuming the model has checked every page. Keep the response beside the original PDF while you review it. Name this copy separately from the original.
Ask questions: uses for Chat with PDF
Chat with PDF can help with owned files explored before a manual review. It can also be used for text-based manuals checked for topic explanations. The TEXT result from Chat with PDF must suit the intended reading or editing step, so keep the source until that check is complete.
- Authorized reports queried for a reading aid.
- Owned files explored before a manual review.
- Text-based manuals checked for topic explanations.
- Non-private readings used for draft questions.
Formats and limits for Chat with PDF
The Chat with PDF form accepts PDF sources. Each Chat with PDF upload can be up to 300 MB, which equals 300 MiB. The allowed suffixes on the Chat with PDF page do not prove that a source has valid content inside it.
| Accepted formats | Maximum file size | Output |
|---|---|---|
| 300 MB per file (300 MiB upload limit) | TEXT |
Chat uses the first 100,000 characters of read file text. Image-only PDFs need OCR beforehand. Replies are not verified citations or professional advice.
How this tool works
Chat with PDF uses Poppler and Google Gemini to handle the source on the server. The Chat with PDF request uses your chosen input rather than any local editing project left on your device. Check the TEXT contents produced by Chat with PDF before treating them as ready for another app or reader.
For Chat with PDF, the server reads the PDF text and sends a text prefix to Google Gemini. That prefix is limited to the first 100,000 characters.
Image-only pages need OCR, which means reading text from images. Local uploaded files are scheduled for removal within 1 hour.
The local cleanup does not control the AI provider's storage. Review the provider's terms before sending private wording.
Chat with PDF questions and answers
If Chat with PDF gives an unexpected result, start by checking the source type and the values used in the form. Check the TEXT contents from Chat with PDF as well as the filename or displayed message. For another result type, compare Chat with PDF with the separate tools described in these answers.
What matters when using Chat with PDF?
Ask about a short section rather than assuming full-file coverage. View that area at its intended display size. Note any differences that affect your purpose.
Why try Extract PDF Text?
Extract PDF Text offers another task beside Chat with PDF: extract all text content from a PDF. Extract PDF Text returns TXT. The stated TEXT output from Chat with PDF is not a listed input type for Extract PDF Text.
Why try OCR PDF?
OCR PDF offers another task beside Chat with PDF: make a scanned PDF searchable using Tesseract OCR. OCR PDF returns PDF. The stated TEXT output from Chat with PDF is not a listed input type for OCR PDF.
Why try Extract PDF Pages?
Extract PDF Pages offers another task beside Chat with PDF: extract specific pages to a new PDF. Extract PDF Pages returns PDF. The stated TEXT output from Chat with PDF is not a listed input type for Extract PDF Pages.
What if Chat with PDF gives no usable reply?
Check whether the PDF has text you can select in a local viewer. The Chat with PDF model cannot read an image-only page through this text extraction path. Check the provider setup and any displayed error before sending another request.
How do I report a problem with Chat with PDF?
Contact support with the Chat with PDF page name, source format and the error you saw. Mention any relevant form settings you chose. Do not send passwords or private attachments.