Add Watermark to PDF
Add text, logos, stamps, or tiled watermarks to every page in your PDF.
- On your device
- No signup
- Stays on your device
Edit
Sign PDF
Upload a PDF and a signature image, then place the signature on the last page or every page. Adjust signature width and download the signed PDF. This is not a certified digital signature service.
Stays private
Processed on this device
Clear progress
Real stages, no fake percent
Honest output
Limits and warnings included
PDF
On-device processing
PDF output
25 MB max
How it works
- 1
Upload
Choose and validate your file
- 2
Process
Review options and run the tool
- 3
Download
Check the result and save it
Keep working
Related PDF tools
Fill PDF Form
Complete supported PDF form fields and export the filled document.
- On your device
- No signup
- Stays on your device
Crop PDF
Adjust page crop boxes and download the cropped PDF.
- On your device
- No signup
- Stays on your device
Change Page Size
Resize PDF pages to common paper sizes or custom dimensions.
- On your device
- No signup
- Stays on your device
Helpful answers
Is this a legally binding e-signature?
No. This tool places a signature image on a PDF for convenience. It is not a certified digital signature service.
Are my files uploaded to a server?
No. Signing works on your device. Files are not uploaded or stored by Utilnivo.
What signature formats work?
Upload a JPG or PNG signature image. PNG with transparency usually looks best.