Devstackkit

Formatters & Parsers

  • JSON Parser
  • JSON Schema Validator
  • JSONPath Tester
  • XML/XSD Validator
  • JSON ↔ TOML Converter
  • URL Parser
  • Query String Parser
  • REST API Tester
  • JSON Beautifier
  • JSON Compare
  • Text Compare
  • XML Formatter
  • SQL Formatter
  • GraphQL Query Formatter
  • JSON ↔ YAML Converter
  • cURL to Code Converter
  • Code Diff Checker
  • Byte Parser

Security & Auth

  • JWT Decoder
  • Encode / Decode
  • Hash Generator
  • Password Generator
  • Password Strength Checker
  • Certificate Decoder
  • IBAN Validator
  • CSP Header Generator
  • AES-256 Encrypt & Decrypt
  • Base64URL & Base32 Converter
  • RSA Key Pair Generator

Code & Conversion

  • Unix Timestamp Converter
  • Timezone Converter
  • Number / Byte Formatter
  • Cron Parser
  • Base Converter
  • Case Converter
  • Slug Generator
  • Subnet CIDR Calculator
  • HTML Entity Encoder/Decoder

Frontend & Design

  • User-Agent Parser
  • SVG Optimizer
  • Color Converter
  • Color Blindness Simulator
  • CSS Effects Generator
  • Meta Tag / Open Graph Preview
  • Image Resizer / Cropper
  • Base64 Image Converter
  • Favicon Generator

Data Generation & Utilities

  • GUID Generator
  • Dummy Data Generator
  • String Replacer / List Compare
  • Lorem Ipsum Generator
  • Robots.txt Generator
  • QR Code Generator

Contact

Questions, bug reports, or feature requests — we'd like to hear from you. Send a message below, or use the email link underneath if you prefer.

When reporting a bug, please include the tool name and, if possible, the input that caused the issue.

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