[001] · A BlindspotLab build
◆ Certificate Vault Engine

Drop a link.receive your certificatein pristine quality.

Paste any verification URL — Anthropic, Skilljar, Credly, Coursera, Udemy. CertStack reads it, renders it, and exports a clean PNG. No screenshots. No cropping. No watermarks.

Free forever
No login.
Output
PNG ready.
Bulk PDF
Soon.
Anthropic Academysupported
Skilljarsupported
Credlysupported
Accrediblesupported
Courserabeta
Udemybeta
LinkedIn Learningbeta
edXbeta
DataCampbeta
Anthropic Academysupported
Skilljarsupported
Credlysupported
Accrediblesupported
Courserabeta
Udemybeta
LinkedIn Learningbeta
edXbeta
DataCampbeta
Anthropic Academysupported
Skilljarsupported
Credlysupported
Accrediblesupported
Courserabeta
Udemybeta
LinkedIn Learningbeta
edXbeta
DataCampbeta
◆ [02]
The vault entrance

Paste the link.
extract the proof.

Drop any certificate verification URL below. We'll read it, render it, and hand you a clean download.

Example formats
  • https://anthropic.skilljar.com/certificate/abc123
  • https://www.credly.com/badges/abc123
  • https://www.coursera.org/account/accomplishments/verify/abc123
Preview
◆ Awaiting input
Your certificate will materialize here.
◆ [03]
The mechanism

Three moves. no friction.

01
◆ Step 01

Drop the link

Paste any verification URL from Anthropic, Skilljar, Credly, Coursera, Udemy — or anywhere else. We auto-detect the platform.

No login. No signup. No friction.
02
◆ Step 02

We read it

Our extractor parses the page server-side, pulling the recipient, course name, issuer, date, and the actual cert image. Falls back to headless rendering when needed.

Server-side. Sub-3-second latency.
03
◆ Step 03

Download proof

Receive a 2× resolution PNG, framed in the CertStack vault. Use it on your portfolio, LinkedIn, or pitch deck. No watermark — even on free.

PNG today. PDF on Vault Pro.
◆ [04]
Two tiers

Free is genuinely free.

One certificate at a time, forever. No watermark, no signup. When you have many to export, Vault Pro turns them into a single portfolio PDF.

◆ Tier 01
Free
$0
  • One verification at a time
  • PNG export at 2× resolution
  • No watermark
  • 9+ platforms supported
  • No login required
Use the free tier
Coming soon
◆ Tier 02
Vault Pro
Pricing TBD
  • Bulk extract up to 50 certs
  • Single PDF portfolio output
  • Custom cover page
  • Public profile (mojeeb.certstack.xyz)
  • Priority extraction queue

Early subscribers will set the price.

◆ Live ledger
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