Verify professional seal codes using the VTS API. Quick and easy verification of architect, engineer, and professional seals.
Users
7
+4 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#228K
#191K among extensions
Version
1.0.0
updated 26 Aug 2025
Users
monthly, 14 months
Latest, 20 Oct 2026:7 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 20 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About VerifyThisSeal.com Seal Code Verifier
Verify professional seal codes and lookup licensed professionals directly from your browser.
• Instantly validates seal codes from stamped documents • Searches professional licensing databases across supported US states • No account required - uses public verification APIs • Provides detailed professional and license information
Who it's for: Contractors, building owners, building officials, project managers, and anyone who needs to verify the authenticity of professional seals and licensed professionals.
How it works:
• Click the extension icon in your browser toolbar • Choose "Verify Seal Code" or "Lookup Professional" • Enter seal code + last 4 digits OR professional details • Get instant results.
Requirements: No account needed. Works with any professional seal code or license information.
Verify → Validate → Secure
VerifyThisSeal.com provides instant verification of professional seals across all states—ensuring every seal you encounter is authentic and protecting you from fraudulent documents.