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Welcome to OP.Sign: the hub for digital agreements,
e-signatures and everything in between.

OP.Sign to surpass 1,000,000 document transactions on its secure cloud 

We serve over 300,000 users and many Thousands of client
organisations of all sizes in more than 200 countries worldwide.

OP.Sign is the #1 eSignature platform on with
3,000 client organisations from all sectors. 

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Ask Others To Sign 


Route for signatures and get live updates on who signed your documents. No app required to view and sign shared documents



Organize Your Docs

All your scans and signed documents in one place. Save your document to a secure cloud



Scan documents on the go using your mobile camera, import  documents from any folder or  from your photo gallery

Fill & Sign

Easily fill forms and sign contracts or any other document on your mobile or iPad. Save your signature and initials for future use and apply on documents when needed

Share Securely

Share with co-workers, partners, clients and vendors. Send an encrypted, code protected document for others to review and sign


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Secure & Private

Free, Fast, Easy to use

OP.Sign cares about your security and privacy.
Our platform is fully protected, your documents are encrypted and controlled.
Use it NOW for FREE!!!
Got a question? Check out our FAQ

We're Pangolin labs Ltd. - the Proud creators of OP.Sign.

OP.'s mission is to create the ultimate tool for enabling small businesses to become properly managed and technologically aligned with the 21st century.

OP.Sign was developed by a team of mobile security and productivity professionals, creators of  the world's first Antivirus for mobile devices and personally accountable for more than
100 Million app users!

  • OP. is committed to your safety and security.

  • OP. is committed to your ease of use - download the app and start scanning and signing immediately, even before creating an account!

  • OP. allows your partners to sign via web browser, without the need to download the app

About Us


Contact Us

Pangolin Labs Ltd.

Israel: Arieh Shenkar St 1, Herzliya, 4672501

US: 345 N. Maple Drive

Beverly Hills, CA 90210

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