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Fill PDF Forms
Fill in interactive PDF form fields and optionally flatten them — all in your browser.
This tool runs entirely in your browser. Your files are never uploaded.
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In short
Fill PDF Forms lets you fill in and flatten interactive PDF form fields, free and online. It runs in your browser, so your file is not uploaded and stays on your device. The free tier covers everyday use; Premium removes ads and lifts all limits.
Not uploaded
Your files
50 MB / file
Free tier
10 tasks
Daily free
Ad-free & unlimited
Premium
How to fill pdf forms
- 1
Open the Fill PDF Forms tool
Go to the Fill PDF Forms page on FeelPDF — no install needed.
- 2
Add your file
Drop your file — it is processed in your browser and not uploaded.
- 3
Set the options
Choose any options to fill in and flatten interactive PDF form fields.
- 4
Download the result
Click the button and your new file saves straight to your device.
Frequently asked questions
- Does Fill PDF Forms upload my files?
- No. Fill PDF Forms runs in your browser, so your files are not uploaded — you can confirm this in your browser's network tab.
- Is it free?
- Yes. The free tier covers everyday use — up to 50 MB per file and 10 tasks a day. Premium (€4.99/mo) removes ads and all limits.
- Do I need to install anything or create an account?
- No. It works instantly in any modern browser, and the free tier needs no account.
- Is FeelPDF GDPR-friendly?
- For in-browser tools your files are never uploaded at all. The one server-assisted path (Office conversions) runs in the EU with zero data retention.