Secure developer utilities

Fast. Private. Everything runs locally.

Runs locally
No uploads
No tracking

Popular tools

Password Generator
JWT Debugger+
JSON Formatter / Validator
UUID Generator
Base64 Encode / Decode
Regex Tester

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Security12 tools
Data & Formats9 tools
Encoding8 tools
Generators6 tools
Developer Tools6 tools

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Secure tools for developers

Your generated values are never sent to a server

Tools

Security

Password Generator
JWT Secret Generator
JWT Encode / Decode
JWT Debugger+
JWT / API Security Checklist
API Key Generator
Hash Generator
HMAC Generator / Verifier
Webhook Signature Tester
Certificate / PEM Inspector
CSR Generator
RSA / ECDSA Key Generator

Data & Formats

JSON Formatter / Validator
JSON ↔ YAML Converter
JSON → TypeScript
JSON → Zod Schema
JSONPath Tester
SQL Formatter
Regex Tester
Diff Checker
Environment Variable Tools

Encoding

Base64 Encode / Decode
URL Encode / Decode
HTML Entity Encode / Decode
Hex / Binary / Decimal Converter
Color Converter
Text Case Converter
Escape / Unescape Tool
Unix Timestamp Converter

Generators

UUID Generator
ULID Generator
Nano ID Generator
Secure Random String Generator
Lorem / Mock Data Generator
QR Code Generator

Developer Tools

Cron Expression Builder
CORS Header Builder
HTTP Status Code Reference
CIDR / IP Calculator
OpenAPI / Swagger Viewer
cURL → Code Converter

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