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Cert Decoder vs Perfai Security

Provides AI-driven vulnerability scanning, not certificate parsing

Which to pick

Pick Cert Decoder if you want…

  • Client-side X.509 certificate decoding
  • A free tool

Pick Perfai Security if you want…

  • Continuous autonomous access-control testing
  • App vulnerability discovery

Side by side

What it is
Cert Decoder:Cert Decoder is a free browser-based tool that decodes PEM-encoded X.509 certificates and displays their details.
Perfai Security:Perfai Security automatically finds and fixes broken access controls in live apps.
Best for
Cert Decoder:Client-side X.509 certificate decoding
Perfai Security:Continuous autonomous access-control testing
Who it’s for
Cert Decoder:Developers and security engineers who need to inspect TLS/SSL certificates quickly
Perfai Security:Developers and security teams building AI-coded or vibe-coded applications.
Pricing
Cert Decoder:Free
Perfai Security:Freemium
Plans
Cert Decoder:—
Perfai Security:Free $0 · Pro $49/mo per month · Startup $299/mo per month
Works with
Cert Decoder:—
Perfai Security:Cursor, Bolt, v0, Replit, Windsurf, Claude Code, GitHub Copilot, Devin

Cert Decoder features

  • PEM paste input. Paste a full PEM certificate including BEGIN/END markers and click Decode.
  • Full field extraction. Shows issuer, subject, validity dates, serial number, signature algorithm, SANs, public key info and extensions.
  • Client-side processing. All decoding runs in the browser; no data is sent to a server.
  • Privacy guarantee. Your certificate data never leaves your computer.
  • Educational info. Provides explanations of X.509 structure and common uses.

Perfai Security features

  • Autonomous App Mapping. Maps workflows, endpoints and roles without source code access.
  • 20,000+ Tests. Runs thousands of tests across 90+ categories with near-zero false positives.
  • Auto-Fix Pull Requests. Generates vetted code patches for vulnerabilities and opens PRs or pushes to AI coding tools.
  • Compliance Reports. Creates instant security and compliance reports for auditors.
  • Continuous Testing. Provides monthly, bi-weekly, weekly or continuous testing based on plan.
  • AI Platform Integrations. Supports Cursor, Replit, Claude Code, GitHub Copilot, and many other AI coding platforms.

Cert Decoder vs Perfai Security FAQ

Is Cert Decoder or Perfai Security free?+

Cert Decoder is free. Perfai Security has a free plan; paid plans start at $49/month (Pro).

Which is cheaper, Cert Decoder or Perfai Security?+

Cert Decoder is free, so it costs less. Perfai Security starts at $49/month (Pro).

On DevHunt

Cert Decoder

1 upvote · Launched on DevHunt on Dec 16, 2025

Perfai Security

30 upvotes · Launched on DevHunt on Jun 9, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.