Interactive text fields, checkboxes, radio groups, and dropdowns are listed with inputs. Fill them and choose whether to keep the form editable or flatten it so values are permanent.
Fill and flatten PDF forms
Detect AcroForm fields, fill them in, and export a flattened PDF.
Fill and flatten PDF forms: Detect AcroForm fields, fill them in, and export a flattened PDF. Add your file to the tool above, apply it, and download the result — free, in any browser, with no sign-up.
- 100% free — no sign-up
- Files processed privately
- Fast — no upload wait
- No file-count limit
About this tool
How to use Fill PDF Forms
1. Add your file
Drop your file onto the Fill PDF Forms workspace above, or click to browse for it.2. Choose the options
Adjust the settings for fill pdf forms — the defaults work for most files.3. Download the result
The result is generated in your browser — nothing is uploaded. Click Download to save it.
Frequently asked questions
Is Fill PDF Forms free to use?
Yes. Fill PDF Forms is completely free with no watermark, no account, and no file-count limit.
Are my files uploaded to a server?
No. Processing happens in your browser using WebAssembly and the Canvas API. Your documents never leave your device.
Which browsers are supported?
Any modern browser — Chrome, Edge, Firefox, or Safari. No extension or desktop app is required.
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