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 monday.com with
over 1,000 client organisations from all sectors.
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 with co-workers, partners, clients and vendors. Send an encrypted, code protected document for others to review and sign
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
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