How to Sign a PDF on Android (Quick and Free)

When a contract, consent form, or permission slip lands in your inbox as a PDF and needs a signature, you do not want to print it, sign it, and scan it back. On an Android phone you can sign the PDF directly and return it in minutes.

Best of all, you do not even need to install a dedicated app. A browser-based signing tool works right where you already are.

Your options for signing on Android

• A browser-based tool that runs on any Android phone — no install needed
• The built-in PDF options in some file managers and Drive
• Drawing your signature with your finger or a stylus on a touchscreen
• Uploading an image of your written signature for a consistent look

Sign a PDF on Android for free

1. 1Open the Sign PDF tool in the Chrome (or any) browser on your Android phone.
2. 2Upload the PDF you need to sign.
3. 3Tap the signature button to start.
4. 4Draw your signature on the touchscreen with your finger or stylus, or type your name, or upload a saved signature image.
5. 5Place the signature where it belongs on the document.
6. 6Download the signed PDF and send it back.

Because the signing runs in your browser, the document can be processed locally — your contract never has to be uploaded to a server if you prefer it that way.

Is a finger signature legally binding?

In most countries, an electronic signature works the same as a handwritten one so long as it identifies you and shows you agreed to the content. The intent — you actually signed it — is what makes it binding, not the exact shape of the mark. If a document explicitly requires a handwritten signature, confirm with the other party before returning an electronic one.

More signing tasks on Android

You might also need to fill in form fields, add an initial to each page, or protect a signed document from edits. There is a browser tool for each, so you can handle the whole process from your phone without hunting for the right app.