Digital Signatures - Encryption technology prevents tampering and ensures document authenticity
Multiple Signatures - Allow multiple users to sign sequentially or simultaneously
30+ Years of Security - Trusted by 200 million users worldwide
DOCUMENT
SIGNATURE
Experience seamless and secure PDF signing with digital signatures, multiple user support, and industry-standard encryption to ensure document authenticity and legal compliance.
Digital signatures use advanced encryption technology to prevent tampering and ensure authenticity. Perfect for contracts, agreements, legal documents, and any professional paperwork requiring secure authentication.
Allow multiple users to sign the same document sequentially or simultaneously. Perfect for contracts, agreements, and collaborative documents requiring approval from multiple parties.
Users sign one after another in order
Multiple parties can sign at the same time
View and manage all signatures in one place
With over 30 years of experience, WPS Office provides robust security with strict privacy policies. Files are automatically deleted from servers within one hour.
Access and sign PDFs from any device. Cloud services ensure convenience and flexibility across Windows, macOS, Linux, Android, and iOS platforms.
Perfect for contracts, agreements, legal documents, and business paperwork. Ensure compliance and authenticity for any professional signing scenario.
Open your PDF document in WPS Office. The secure environment ensures your documents remain protected throughout the signing process.
Click "Certificate signature" > "Add Certificate" > Fill in your certification information > Set Certificate protection password.
Double click the PDF document to place the signature. You can also manage and view the signature to ensure proper placement and security.
WPS Office offers a comprehensive suite of PDF tools and office applications alongside the AI Photo Enhancer. From PDF editing to document creation, get everything you need in one powerful platform.
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Experience the world's most trusted PDF signer with digital signatures, multiple user support, and 30+ years of security expertise - completely free.
Encryption & auto-delete
Digital certificates
Multiple signatures
Available on all platforms: