Sign PDF on iPhone
The contract arrives while you are out; it leaves signed before you are home. Finger-drawn signatures on the iPhone screen come out surprisingly natural — better than most mouse attempts — and Safari handles the rest. Free with fair daily limits.
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Drag & drop your file here
or click to browse · Up to 15 MB
Select fileAccepted: PDF
Your files are processed temporarily and deleted automatically — there is no general cloud storage. File deletion.
How to sign pdf
Simple steps — no software to install.
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Save the PDF to Files
From the email via Share.
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Sign with your finger in Safari
Natural marks on touch.
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Reply with the signed copy
Round-trip complete.
Why use our Sign PDF
Secure & private
Files are encrypted in transit and deleted automatically after processing.
Fast results
Optimized processing returns your file in seconds.
Free to start
Core tools are free with daily limits — no install required.
Works anywhere
Runs in your browser on any device, anywhere in the world.
Touchscreens sign well
Fingers draw signatures the way pens taught them — the iPhone screen captures a natural-looking mark where trackpads and mice produce wobble. Add the date, place both on the line, download.
The receive-sign-return loop
Mail attachment → Save to Files → sign in Safari → attach the signed copy to the reply. The whole agreement round-trip happens wherever the notification found you.
- Natural finger signatures
- Full loop on the phone
- No app download
- Free with fair daily limits
- Files auto-deleted