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  • v2.1.1757

Fill, scan, and send your forms & docs for Contractors to sign. Fully encrypted.

OP.Sign latest version

OP.Sign is an e-signature & scanner app that lets you scan, sign and ask others to sign documents such as PDF, Word, and Docx files securely. 🖋️

OP.Sign app was created for small and medium businesses (SMB’s) who are looking for an all-in-one e sign and scanner app. Business owners can manage their documents and track the activity of signers, including LIVE updates on who signed the documents and who didn’t.

🔐 The most Secure way to Scan, Sign, and fill PDF or Word documents, and Save them on the cloud. Send an encrypted, code protected, document for others to review - your contacts can sign documents without the need to download the OP.Sign mobile app 🔐

Scan documents on the go using your camera, modify and adjust your PDF documents, render anything scannable with our mobile scanner app. Fast, easy, and fully secured.

Easily fill forms and sign contracts or any other document on your mobile. Save your signature and initials for future use and apply it to documents when needed. Import documents from your scans, email, photo gallery, and Share from 3rd party apps from your preferred cloud service (Google Drive, Dropbox etc.)

Share documents with co-workers, contractors, partners, clients, and vendors with ease. Send an encrypted, code-protected document for others to review and sign even if they don’t have the OP.Sign app. Our platform is fully protected; your PDF documents are encrypted and controlled.

Easily share your documents with others, get live updates on who signed the documents, and who didn’t, and track all your signatures in one place. You can share the documents with your contacts by using an email address or via SMS messages, WhatsApp, Gmail, etc.

Manage all your scans and signed documents in one place. Save your document to a secure cloud, request signatures with one click, sign documents with your Initials, or add your signature effortlessly.

OP.Sign is ready to use instantly
* No download - Signers can sign via a web browser - without downloading the app
* No registration - OP.Sign is functional before the user account setup
* No password - Op.Sign requires no password!

The digital signature app can be used for a range of purposes, such as signing a digital contract, NDAs, sales contracts, financial agreements, permission slips, lease agreements, and much more. This digital signature app is essential for digital signature and signature specifications in this digital globe. This e-signature works as a simple sign for document signing, and as an e-signature maker.


Walk-through video

Following are short videos of how to use OP.Sign documents app.

Walk-through video of OP.Sign


  • A productivity documents app available for Android phones and tablets.
  • The latest version 2.1.1757 released on .
  • Free download of op.sign.apk in Android Package file format
  • 213,943+ installs


  • It will take 101M on your device.
  • May not run on devices with specifications below following: Require Android 5.0 and up

APK Specifications

Android 5.0
productivity, opsign, scan, documents, signature, signed
Pangolin Labs LTD
4.20 out of 5 from 17 votes


What others say about the OP.Sign app

Of good stuff ups and our clients are saying there's a few of my rippers and I were kinda responsible for but as U teach again give it to others if they leave us alone pop win win situation is the best way for all us family clients n more to benefit from. I sorry father I still vshoot my yapper off too much the greatest news is I working on it together then pop becomes a better family member love you so much xxx
Hey All! Just sent a document to be signed and within minutes received it back from my colleague overseas. I am a first time user with this particular app. I give it a ***** 5star rating. 3 easy steps to follow... Pretty much in 4 words... Scan... Sign...Send... & Done! Wow really that simple. And very secure!!! I highly recommend OP Sing.
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This app is great! Now I find it easy to use! I want to thank Omri from Op for helping me out today! Very attentive and didn't make me feel bad for not understanding how to add my signature to a document! 😂 Thank you and to the manager who assisted too!
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