#130 · PDF Forms & Signatures

PDF Form Field Viewer

Inspect standard AcroForm fields in a PDF and export a JSON inventory with field names, types, values, and available options.

PDF Tool

Local browser processing
Ad space

How to use this PDF tool

  1. Choose the PDF.
  2. Set the options for this task.
  3. Select “View Form Fields” and wait for processing.
  4. Review the result summary, then download the new file.

What this tool does

Inspect standard AcroForm fields in a PDF and export a JSON inventory with field names, types, values, and available options.

Input PDF → selected operation → new downloadable JSON report

Standard PDFs are supported. Encrypted, damaged, XFA, or unusually complex documents may not be readable by the browser library.

Supported formats

Input must be a PDF. The output is a UTF-8 JSON field inventory.

InputPDF
ProcessingIn browser
OutputJSON

Tips for better results

  • Keep an untouched copy of the original.
  • Test the output in your usual PDF viewer.
  • Split very large documents before processing on a mobile device.

FAQ

Can I use pdf form field viewer without uploading my document?

Yes. Processing takes place in your browser, and the selected file is not sent to a Callpdf server.

What kinds of PDF files work with PDF Form Field Viewer?

The tool supports standard PDF files readable by the browser library. Damaged PDFs, XFA forms, and unusually complex documents may not work.

Will this tool preserve links and selectable text?

The tool edits PDF page objects where possible, so normal text and links are generally retained. Content outside a crop boundary may become hidden.

Can I process an encrypted or password-protected PDF?

Remove the password in software you trust before using this page. This browser tool does not bypass PDF encryption.

What should I do if the PDF is very large?

Try a smaller file or split the document first. Browser memory limits vary by device, especially on mobile.

Processing details

PrivacyLocal processing
Server uploadNone