Fill PDF forms

Fill existing PDF form fields and export a flattened copy.

Everything happens locally in your browser. Nothing is uploaded.

A practical guide to Fill PDF forms

Fill PDF Forms detects interactive AcroForm fields, lets you enter values, and can flatten them into the exported page appearance. Field types and authoring quality determine compatibility.

Example: complete an application form

Fill text, choice, and checkbox fields, review every page, flatten only if the recipient does not need editable fields, and save a copy.

Task-specific steps

  1. 1

    Open the PDF and confirm that expected text fields, checkboxes, choices, and buttons are detected.

  2. 2

    Enter values carefully, respecting field formats, required indicators, character limits, and dependent calculations.

  3. 3

    Review every page, choose editable or flattened export, then reopen the result and confirm all appearances.

Options that affect the result

  • Editable export preserves supported form fields for later changes.
  • Flattening turns current field appearances into page content for more consistent viewing.

Limitations to know first

  • XFA forms, scripted calculations, digital-signature fields, and unusual widgets may not be supported.
  • Flattened values are harder to edit and should be created only after entries are verified.

Questions specific to this task

Should I flatten a completed PDF form?

Flatten when the recipient only needs the final visible values and viewer compatibility matters. Keep an editable copy for corrections.

Why is a field missing from the tool?

It may use unsupported XFA, JavaScript, a custom widget, or be drawn to look like a field without an interactive form object.