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How to Sign a PDF on iPhone (No App Needed)
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How to Sign a PDF on iPhone (No App Needed)

M
Mobile Tips
May 5, 2026 3 min read

Signing on the Go

You receive an urgent contract while at lunch. You have your iPhone. What do you do?

The Web Solution

  1. Open Safari.
  2. Go to Docorio.com/sign.
  3. Upload the file from your "Files" app or iCloud.
  4. Draw your signature with your finger (it's actually easier than using a mouse!).
  5. Download and email it back.

Fast, free, and no bloatware apps taking up space on your phone.

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Docorio - Free Document Processing, PDF Editor & AI Tools