Administrative forms, applications, registration sheets: Helpdf shows the fields of your PDF form right on the page so you can fill them in, then download the completed PDF. Choose “Flatten” to make the answers permanent.
How to fill in a PDF form
Select your file
Click the button or drag and drop your file into the box.
Choose your options
Adjust the settings if needed — the defaults work for most files.
Download the result
Your new file is created instantly in your browser. Click Download.
Frequently asked questions
What if my PDF has no fields?
Some forms are just printed lines. In that case, use Edit PDF to add text wherever you want.
Are my files safe?
Yes. With Helpdf, your files stay on your device. They are never sent to our servers, nobody else can see them and nothing is stored.
Is Helpdf free?
Yes, every tool is completely free with no sign-up and no watermark. The site is funded by advertising.
Does it work on phone?
Yes. Helpdf works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. Very large files may be slower on older phones.