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PDF tool · Private

Sign a PDF on Your Phone With Your Finger, No Printing

Draw your signature with your finger and place it on any PDF from your phone. Fast, private, no printing or scanning.

Sign PDF on your phone icon in Rayo PDF GO

or drop the file here

Processed on your device
Never uploaded to a server
No watermarks

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How to use Sign PDF on your phone in 3 steps

Open the PDF in the editor
Draw your signature with your finger
Place it, adjust the size, and save

Sign PDF on your phone: what it is and when to use it

Draw your signature once with your finger or a stylus and place it wherever it is needed. It is ideal for sending back contracts, authorizations, and forms without printing.

It is a visual signature, enough for most everyday paperwork. Some processes require a certified electronic signature; check with whoever receives the document.

Common uses

Sign contracts, authorizations, and letters.
Return signed forms without printing.
Approve internal documents.
Sign several pages with the same signature.

Tips for better results

Draw the signature slowly; you can redo it.
Place the signature on the signature line.
Confirm whether your paperwork accepts a visual signature.

Why Rayo PDF GO

Truly private

Your files are processed on your device and never uploaded to a server.

Fast

No queues, no waiting for a server.

On every device

iPhone, Android, Mac, Windows and browser.

Free to start

Essential tools are free; Premium unlocks the advanced ones.

Frequently asked questions

Is it legally valid?

It is a visual signature; some procedures require a certified electronic signature.

Can I reuse my signature?

Yes, draw it once and place it wherever you want.

Is my document uploaded?

No.

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