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pdfnina

PDF Forms

Fill in any PDF form, or turn a flat document into a fillable one. Fields are detected automatically and you fine-tune them.

  • Free
  • No sign-up
  • No watermark

How to use PDF Forms

  1. 1

    Open a PDF form, or any PDF to turn into a form.

  2. 2

    Fill fields, or add and auto-detect new ones.

  3. 3

    Save as fillable or flattened PDF.

This tool runs entirely in your browser. Your files are never uploaded.

Frequently asked questions

What does “flatten” mean?+

Flattening turns the filled fields into regular page content so nobody can change the values.

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