Fill PDF Forms Online
Type into fields, tick boxes and sign, right in your browser.
- Privacy-focused
- Easy to use
- Lightning-fast
How to fill a PDF form
- contract.pdfDrop your PDF here
1. Upload your PDF
Drop a file or choose one. It opens right here in your browser.
- Edit this text
2. Fill in the fields
Click a field and type. Checkboxes, radio buttons and lists work too.
- Download
3. Sign and download
Add your signature if needed, then download the filled form.
Your files never leave your device
PDFSleek runs the editor inside your browser. Your PDF is opened, edited and saved on your computer — it isn't uploaded to us, so there's nothing for us to read, keep or lose.
- Processed in your browserNo uploads while you edit.
- Encrypted connectionHTTPS everywhere.
- No tracking cookiesCookie-less analytics only.
Got questions?
Answers to the questions people ask most.
Is Fill PDF Form free?
Yes. It's free with no sign-up and no watermark, for files up to 50 MB.
What if my PDF has no form fields?
Use Text in Fill & Sign to type anywhere on the page, and add check marks, crosses and dates where you need them.
Do calculated fields work?
Yes. Common totals and number, date and percentage formats update as you type, as they do in Acrobat.