PDF

Fill PDF forms

Fill AcroForm text fields, checkboxes and supported choices. Keep existing values and download a local copy without automatically flattening the form.

Local processing. PDF: 5 MiB and 50 pages; output 20 MiB. Editing may invalidate existing signatures. No encryption or XFA.

What this tool does

Fill interactive AcroForm documents. A scanned page or a PDF without fields does not become a form.

How to use it

  1. Load the form and review field names, existing values and read-only fields.
  2. Enter text, check boxes and choose supported options; complete required fields.
  3. Save and inspect the preview. Open the downloaded copy in an independent reader.

Verifiable example

Input
Empty Name field and unchecked Accept checkbox.
Expected result
Name: José Muñoz and Accept checked, with other fields preserved.

Limitations to review

  • PDF 5 MiB/50 pages, up to 100 fields; output 20 MiB. No XFA, encryption or cryptographic signature fields.
  • Helvetica-compatible Latin text; unsupported characters are rejected. No PDF JavaScript execution or automatic flattening.

Read the full tutorial

Related tools

Browse all guides. Local processing: the page downloads HTTP resources but does not send files or input data to a server for these functions.