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BUZZ NEXTERS TOOLS
Runs on your device

Fill PDF Forms

Complete fillable PDFs without special software. Optionally flatten the form so answers can't be changed.

Choose a file or drop it here

Click to browse · PDF · up to 100 MB

Runs in your browser: your files and data never leave your device.

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What is Fill PDF Forms?

A fillable PDF form (AcroForm) contains interactive fields; this tool lets you enter values and save them into the file.

How to use Fill PDF Forms

  1. 1

    Open a fillable PDF form.

  2. 2

    Fill in the fields listed below the file.

  3. 3

    Choose whether to flatten, then click Save filled PDF.

Features

  • Text, multiline, checkbox, radio, dropdown and list fields
  • Respects read-only fields and maximum lengths
  • Optional flattening
  • Nothing leaves your device

Supported formats

  • PDF

Maximum file size: 100 MB per file.

Practical uses

  • Complete application forms.
  • Fill tax or registration forms.
  • Prepare contracts with form fields.

Limitations

  • XFA forms (from some older Adobe LiveCycle workflows) are not supported.
  • PDFs without form fields can't be filled here—use Edit PDF to add text.

Frequently asked questions

What does flatten mean?

Flattening turns fields into normal page content, so the answers can no longer be edited.