CertSignPDF is a secure and easy-to-use app developed by SIMARGL LLC (dba TXNotaryForm.com) for Android devices and Chromebooks. Designed specifically for Texas Notaries, it enables digital signing of PDF documents using industry-standard X.509 digital certificates and cryptographic keys, in compliance with remote online notarization (RON) requirements.
Whether you're a commissioned notary performing digital notarizations or a professional handling sensitive documents, CertSignPDF helps ensure document integrity, authenticity, and legal compliance — all directly from your device.
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Key Features:
• Digital PDF Signing: Sign documents using your own X.509 digital certificate and cryptographic key.
• Tamper-Evident Technology: Once signed, the document becomes tamper-evident—any changes will be clearly detectable.
• On-Device Processing: Signing is done entirely on your device. Internet connection is only used for certificate validation.
• Simple & Intuitive Workflow:
o Choose a completed PDF document (with all required fields, stamp, and drawn signature).
o Select your certificate from the device and enter your certificate password.
o Set a new filename and save the signed PDF.
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📝 Designed for Texas Notaries:
CertSignPDF was developed with Texas notarial standards in mind, particularly to support Remote Online Notarization (RON). This makes it ideal for commissioned notaries who need a simple, secure, and portable tool to add cryptographic digital signatures to client documents.
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💼 Use Cases:
• Remote online notarization
• Legal document certification
• Secure business and contract signing
• Digital recordkeeping and archiving
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✅ Requirements:
• PDF document must be fully prepared before signing (all form fields filled, stamp applied, and drawn signature added).
• An X.509 digital certificate and private key stored on your device.
• Certificate password for authentication.
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📎 Privacy & Security:
CertSignPDF respects your privacy. No documents are uploaded or stored on external servers. All signing operations occur locally, and your cryptographic keys never leave your device.
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Certify with confidence using CertSignPDF — your trusted tool for secure and professional digital signing.
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