Issue tamper-proof certificates on blockchain. Instant verification, affordable pricing, trusted by institutions worldwide.
Traditional certificates are easy to forge, hard to verify, and damage your institution's reputation.
PDF certificates can be edited in minutes using free tools. Anyone can create fake credentials.
Manual verification takes days. HR teams waste hours calling institutions to confirm credentials.
When fake certificates surface, your institution's credibility suffers. Trust takes years to rebuild.
OnChainCert records every certificate on the Polygon blockchain, making forgery impossible and verification instant.
security on Polygon blockchain.
Once recorded on blockchain, certificate data cannot be altered or deleted. Ever. Your credentials are permanent and immutable.
Globally accessible verification from anywhere.
Verify from anywhere in the world, anytime. No account needed, no login required, just instant verification.
Issue hundreds of certificates at once via CSV upload. Save hours of manual work.
Verify certificates in seconds, not days. Anyone can check authenticity instantly.
Upload your certificate PDF with recipient details
We generate a unique hash and record it on Polygon
Recipients get a unique ID for instant verification
Anyone can verify authenticity in seconds
Buy credits when you need them. No monthly fees, no wasted subscriptions. Perfect for seasonal certificate issuance.
Start with 3 Free Credits
No credit card required. Try OnChainCert risk-free.
$0.40 per certificate (Save 20%)
$0.35 per certificate (Save 30%)
$0.30 per certificate (Save 40%)
Use your credits anytime. No monthly reset.
No recurring fees. Pay only when you need.
Save up to 40% with larger packs.
"OnChainCert has completely transformed how we issue certificates. Our graduates love being able to share verified credentials instantly."
Director, TechAcademy Indonesia
"The blockchain verification gives our certificates instant credibility. Employers trust our graduates more because verification is transparent."
CEO, SkillUp Institute
"Setup was incredibly fast. We were issuing blockchain certificates within an hour. The support team is also very responsive."
Head of Training, PT Digital
Blockchain certificate verification stores a unique hash of each certificate on an immutable public blockchain. This makes it impossible to forge or alter certificates, and anyone can verify authenticity instantly by checking the blockchain record.
We offer flexible credit packs: 10 credits for $5 ($0.50/cert), 50 credits for $20 ($0.40/cert), 100 credits for $35 ($0.35/cert), or 250 credits for $75 ($0.30/cert). Credits never expire - use them whenever you need. New users get 3 free credits to try the platform.
We use Polygon (formerly Matic), a leading Ethereum Layer 2 blockchain. Polygon offers fast transactions, low fees, and the security of Ethereum. All certificate records can be verified on Polygonscan, a public blockchain explorer.
Yes! Certificate verification is completely free and public. Anyone with a certificate ID can verify its authenticity on our verification page or directly on the blockchain. No account or login required.
Most users are up and running within 5 minutes. Simply create an account, configure your branding (optional), and start issuing certificates. No technical knowledge or blockchain expertise required.
Join hundreds of institutions already using blockchain to secure their credentials.
OnChainCert