Text, checkbox, dropdown
Complete supported interactive fields.
Fill PDF forms: guide
Open Fill PDF formsOn your device
Document processing runs in your browser.
Editable or static
Keep fields editable or flatten their values.
How to fill a PDF form
1
Open your PDF
Choose a PDF that already has fillable fields.
2
Fill the fields
Type, tick or choose. Review every value.
3
Download and check
Export an editable or flattened copy, then reopen it.
Your choice: editable or flattened
Keep fields editable to update them later. Flattening makes the field values part of the page. It does not prevent all PDF editing.
Keep an editable copy if you may revise the form.
What if my PDF has no fillable fields?
This tool fills existing interactive fields. For a flat PDF or scan, use Edit PDF to add text. Unsupported field types are flagged in the workspace.
Your files stay on your device
Download important work before closing the browser. Local storage is not a backup.
Common questions
Why are there no fields?
The PDF may be a scan or a static form without interactive fields.
What does flatten mean?
Flattening makes field values part of the page appearance rather than editable form controls.
Which files can I use?
Supported inputs: PDF. Supports text, checkbox and dropdown fields. Choose editable fields or flatten the completed form.
Is this free?
Core tools require no account or subscription and add no watermark.
Do my documents leave my device?
Document processing runs in your browser. PDF Studio does not upload document files. Explicitly saved drafts and My files remain in this browser until deleted. Read aloud may use network-backed browser voices.
Related tools
Ready to fill your form?
Free. No watermark. In your browser.