BuildCertificates is a free online certificate generator and developer API. We make it simple for educators, event organizers, and businesses to create professional PDF certificates — with built-in QR verification.
Fill in the recipient details, choose a template (Elegant, Modern, or Formal), and download a beautiful PDF certificate instantly. Every certificate includes a unique QR code that links to a verification page, proving its authenticity.
Our REST API lets you generate certificates programmatically. Perfect for online course platforms, HR training systems, event management tools, and school portals. The Bulk API can generate hundreds of certificates in a single request.
Certificate data is processed securely and verification records are stored to enable QR code lookups. We don't sell or share your data. See our Privacy Policy for details.
BuildCertificates is part of the Build family of document tools, alongside BuildPDF (file-to-PDF converter) and BuildInvoice (invoice generator).