Documentation
Each tool documents its own usage, examples, and limitations on its own page. This page is the index for everything else.
Tool guides
Every tool page includes how-to-use, examples, limitations, and privacy notes directly on the page — no separate guide needed.
- JSON Formatter and Validator
- YAML Formatter and Validator
- Base64 Encoder and Decoder
- JWT Decoder
- Hash Generator
- CIDR / Subnet Calculator
- DNS Lookup
- IP Lookup
- HTTP Header Inspector
- TLS/Certificate Inspector
- Certificate Decoder
- HMAC Generator
- CSR Decoder
- HTTP Security Headers Checker
- SSL/TLS Domain Checker
- Certificate Analyzer
- Certificate Chain Validator
- Certificate Expiry Checker
- Secret Scanner
- .env Security Scanner
API reference
Calling the tools directly? See the API reference for request/response shapes, error codes, and current limits.
Go to the API referenceAgent usage guidance
Calling the API from a script or an autonomous AI agent? Read the retry policy, idempotency guarantees, and data-sensitivity guidance first.
Go to agent usage guidance