Fill in PDF forms online
Type into fields, tick boxes, pick options and add your signature — then download the completed form.
- 1Upload
- 2Options
- 3Process
- 4Download
or drop a PDF here · up to 300 pages
This file stays on your device. No watermarks No sign-up
How to use Fill PDF form
- 1
Choose a PDF form
Open any fillable PDF — government, bank, school or job application forms.
- 2
Fill in the fields
Click a field to type. Press Tab to jump to the next one; required fields are highlighted.
- 3
Sign
Draw, type or upload your signature for signature fields.
- 4
Download
Keep the form editable, or flatten it so answers can't be changed.
Why choose FileFlexify for Fill PDF form?
All field types
Text, paragraphs, checkboxes, radio buttons, dropdowns, dates and signatures.
Sign in seconds
Draw, type or upload a signature for signature fields.
Flatten option
Lock answers into the page so the form can't be edited after you send it.
Not fillable? No problem
If a PDF has no fields, we can detect the blanks and create them for you.
Private
Your answers never leave your device — nothing is uploaded.
Readable everywhere
Your answers show up in every PDF viewer, including dynamic (XFA) forms.
Questions & answers
How do I fill out a PDF form online?
Open the PDF here, click each field and type your answer, then download. The completed form opens in any PDF reader.
What if my PDF isn't fillable?
Click Create fields — we'll find the blank lines and boxes and turn them into fields you can type in. You can also type anywhere with Add text.
What does flatten mean?
Flattening turns your answers into part of the page, so they can't be changed and look the same everywhere — useful before emailing or printing.
Is my PDF uploaded?
No. This tool runs entirely in your browser, so the document never leaves your device — ideal for contracts, IDs and financial records.
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