How to Sign a PDF on iPhone and Android

You do not need a special app to sign a PDF on your phone. Your browser and your finger are enough.

Steps for iPhone and Android

  1. Open DydalPDF and add your PDF.
  2. Draw your signature with your finger or mouse, or upload a photo of it.
  3. Tap the page to place your signature and the date. Drag to move, or use the green dot to resize.
  4. Download your signed PDF.

Tips for a neat signature on a small screen

Where to find your signed file

After you tap download, look in your Downloads folder or the Files app on iPhone. You can then attach it to an email or send it on WhatsApp.

Frequently asked questions

Is it safe to sign on my phone?

Your PDF is processed in your browser and not uploaded, so it stays on your device.

Does it work on any phone?

It works in modern browsers such as Chrome and Safari on iPhone and Android.

Ready to sign your PDF?

Free, private and quick. Your file never leaves your device.

Sign a PDF now

About the creator

Sharon Samuel Adikpe helps expert entrepreneurs build a business that feels as good to wake up to on a Monday as it looks from the outside. She built DydalPDF to make everyday paperwork faster and less stressful.

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