Skorydov PDF Signing Tool Review: Features, Pros & Cons

How to Use Skorydov PDF Signing Tool — Step-by-Step Tutorial

This tutorial shows a concise, step-by-step workflow to sign PDFs using the Skorydov PDF Signing Tool. Assumptions: you have the Skorydov application installed (desktop or browser extension) and a digital certificate, PFX/PKCS#12 file, or configured e-signature account ready.

1. Open the PDF

1. Launch Skorydov PDF Signing Tool.
2. Click Open or drag-and-drop your PDF into the app window.

2. Choose the signing method

• Digital certificate (PFX/PKCS#12): Select if you have a .pfx/.p12 file and know its password.
• Cloud/e-sign account: Choose if you use Skorydov’s cloud signature or an integrated provider (e.g., remote HSM).
• Graphic signature (image): Use for simple e-sign visuals (less legally robust).

Make a choice based on your certificate type.

3. Load your certificate or sign-in

1. If using a local certificate: click Load Certificate, browse to the .pfx/.p12 file, enter the password, and confirm.
2. If using a cloud account: click Sign in, authenticate with your provider, and grant required permissions.
3. If using an image: click Import Signature Image and select a PNG/JPG with a transparent background if available.

4. Place the signature on the document

1. Navigate to the page where the signature should appear.
2. Click Add Signature or Place Signature.
3. Click and drag to draw the signature rectangle to the required size and position.
4. Use alignment guides and zoom to position precisely.

5. Configure signature appearance and options

• Appearance: Choose certificate details, name, date format, reason, location, and whether to display a signature image.
• Locking/Permissions: Optionally set document permissions after signing (e.g., allow form filling but prevent editing).
• Time-stamp: Enable an embedded timestamp for stronger non-repudiation if available.
• Signature field name: Use meaningful names for audit trails (e.g., “Approver_Sign_2026-02-06”).

6. Review signature metadata

1. Click Signature Properties (or similar) to verify the signer name, certificate issuer, and validity.
2. Confirm timestamp authority and whether the certificate is set to expire. Correct any mismatches before finalizing.

7. Apply the signature

1. Click Sign or Apply Signature.
2. Enter the certificate password or complete the cloud-provider authentication prompt if requested.
3. Wait for the tool to embed the signature and any timestamp.

8. Verify and save

1. After signing, use the tool’s Verify Signature function to confirm validity and integrity.
2. Check that the signature shows as valid and the document hasn’t been altered.
3. Save the signed PDF with a clear filename (e.g., invoice_123_signed.pdf).

9. Common troubleshooting

• Invalid certificate error: Ensure the PFX password is correct and the certificate chain is trusted on your system.
• Signature shows as unknown: Import intermediate CA certificates or use the time-stamp authority.
• Signature image misaligned: Reposition or use a different image resolution.
• Cloud auth fails: Verify network access, credentials, and provider service status.

10. Best practices

• Keep a backup of original unsigned PDFs.
• Use time-stamped signatures for legal-proof documents.
• Store PFX files securely and delete temporary copies after use.
• Regularly update Skorydov to get security fixes and feature updates.
• Use strong passwords for certificate files and enable MFA on cloud signing accounts.