How to sign a PDF on Android with Signature Maker
Updated April 19, 2026 · About Signature Maker
Signature Maker lets you draw a digital signature on your screen and apply it directly to PDF documents on Android. The whole process takes under a minute — no printing or scanning required.
Step-by-step guide
- 1
Download Signature Maker
Install Signature Maker from Google Play. It is free. No account, no cloud upload — everything stays on your device.
- 2
Create your digital signature
Tap Create Signature. Use your finger to draw your signature on the pad. Draw slowly for better accuracy. You can clear and redraw as many times as you need until it looks right.
- 3
Import the PDF you want to sign
Tap Import PDF and select the file from your device storage, email attachment, or cloud storage. The PDF opens in the signature editor.
- 4
Place the signature and save
Drag your signature to the correct position on the document. Resize it by pinching if needed. Tap Save to export the signed PDF back to your device.
Frequently asked questions
- Are digital signatures from Signature Maker legally valid?
- A digital signature drawn with Signature Maker is functionally equivalent to a wet signature for most personal and informal documents. For legally binding contracts, check your jurisdiction's requirements — some may require a certified electronic signature service.
- Does Signature Maker upload my documents to a server?
- No. All processing happens on your device. Your PDF and signature are never uploaded to any server.
- Can I save my signature and reuse it?
- Yes. Once you create a signature, Signature Maker saves it so you can apply it to future documents without drawing it again.