How to use the Fill & Sign PDF
- Open the tool. The tool loads instantly in your browser.
- Use the controls. Follow the on-screen buttons and options.
- Save or share. Copy, download or print the result when you are done.
About this tool
Merge, split, compress, convert, edit, sign, protect and analyse PDF files online.
Read the complete Fill & Sign PDF guide
Frequently asked questions
Is the Fill & Sign PDF free to use?
Yes. The Fill & Sign PDF on Gemma-4 is 100% free with no sign-up, no limits and no watermark. An optional free account lets you save favourites.
Is my data private?
Yes. Your inputs are processed instantly and are not stored on our servers.
Does it work on mobile phones?
Absolutely. The Fill & Sign PDF is fully responsive and works on Android, iPhone, tablets and desktop browsers such as Chrome, Edge, Safari and Firefox.
Who is the Fill & Sign PDF useful for?
It is popular with students submitting assignments, office workers handling documents, government-form applicants — anyone who needs quick, reliable help with working with PDF documents quickly and securely.