Sign PDF documents easy & fast for Android

Sign PDF: Free, Quickly and Easily.
This app allows you to securely sign documents from any location using just your Android device.
It’s user-friendly and offers unlimited free signing, making it the ideal choice for e-signatures on the go.

How to sign a PDF:
You can digitally sign a document in two simple steps, select your doc, add your signature, and send or share, that’s all, and yes, its free.


Our ‘Sign PDF Documents’ application offers an unbeatable solution for adding signatures to your PDFs, providing an optimal, free tool for quick and easy.

Prioritizing Privacy:
Signatures are generated directly on your device. Documents remain entirely within your phone, supporting offline functionality. We prioritize your privacy above all, steering clear of cloud storage or server use.

Rapid Signature Process:
Enjoy the simplicity of using our app with no need for registration, subscriptions, or payments.

User-Friendly and Swift:
Effortlessly insert electronic signatures into PDFs, Docs, and Images.

Sophisticated Signature Pad:
Our signature pad authentically replicates a pen signature, ensuring your digital e-signature doesn’t appear as if it were created in a basic drawing program.

Selective Importing:
Import documents via Android’s native picker without unnecessary access to all your files. Confidentiality is our cornerstone. You can even import files from Google Drive, Dropbox, and other sources.

e-Sign and Share:
With your edited file, opt to save the document as you wish or swiftly forward it through platforms like WhatsApp, Facebook, Email, etc.

New Feature – Password-Protected PDFs:
Now supports signing password-encrypted documents. The app will prompt for the password, decrypt the document for signing, and re-encrypt it post-signing, maintaining the document’s original permissions.

Customizable Experience:
Choose your preferred ink color to match your favorite pen, offering options like classic blue, green, red, black, and more.

Beyond signing, this app doubles as a capable PDF Viewer & Editor.

Email your questions or feedback to:
sign@diferenciart.com

Find out more about PDF Signer and electronic signatures: https://sign.diferenciart.com/en/contact

Legal Policy:
https://sign.diferenciart.com/en/privacy