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veojson.com

Small, sharp, free tools for developers, IT admins and technical founders. No sign-up required to get the answer you came for.

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Developer & API

  • JWT Decoder & Verifier
  • Base64 Encoder & Decoder
  • Regex Tester & Builder
  • Cron Expression Generator
  • SQL Query Formatter
  • URL Encoder & Decoder
  • HTML Entity Encoder & Decoder
  • JSON Path Extractor
  • JSON Schema Generator
  • UUID Generator
  • Unix Timestamp Converter
  • YAML to JSON Converter
  • cURL to Code Converter

Security & Infrastructure

  • Security Headers Checker
  • Password Policy Generator
  • Hash Generator
  • HMAC Generator
  • Chmod Permission Calculator
  • IP Subnet Calculator
  • Data Size Converter
  • Secure API Key Generator
  • Password Strength Checker
  • DNS Lookup Tool
  • Uptime SLA Calculator

AI & Prompts

  • AI Cost Calculator
  • Prompt Generator & Optimizer
  • LLM Token Counter
  • Prompt Template Builder

Business & Ops

  • ROI Calculator
  • SaaS Churn & LTV Calculator
  • Freelance Hourly Rate Calculator
  • Word & Character Counter
  • Profit Margin Calculator
  • Break-Even Calculator
  • NPS Calculator

Utility & Formatting

  • JSON Formatter & Validator
  • JSON to CSV Converter
  • Text Diff Checker
  • QR Code Generator
  • URL Slug Generator
  • Case Converter
  • Lorem Ipsum Generator
  • Color Converter
  • Markdown to HTML Converter

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