Laurent Hinoul

“Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.” - John F. Woods

Free online tools for developers

On you have many free online tools for developers. The tools contain converter, formatters, decryptors, validators and many more. It could be used for XML, HTML, SQL, JSON…

A guick list of the possibilities:


  • JSON Formatter
  • HTML Formatter
  • XML Formatter
  • SQL Formatter


  • JSON Validator
  • HTML Validator
  • XML Validator – XSD
  • XSD Generator
  • XPath Tester
  • Credit Card Number Generator & Validator
  • Regular Expression Tester

Encoders & Decoders

  • Url Encoder & Decoder
  • Base 64 Encoder & Decoder
  • QR Code Generator

Code Minifiers

  • JavaScript Minifier
  • CSS Minifier


  • XSLT (XSL Transformer)
  • XML to JSON Converter
  • JSON to XML Converter
  • CSV to XML Converter
  • Epoch Timestamp To Date


  • Message Digester
  • HMAC Generator

String Escaper & Utilities

  • String Utilities
  • HTML Escape
  • XML Escape
  • Java and .Net Escape
  • JavaScript Escape
  • CSV Escape
  • SQL Escape

Web Resources

  • Lorem Ipsum Generator
  • LESS Compiler
  • List of MIME types
  • HTML Entities
  • URL Parser / Query String Splitter
  • ISO country list – HTML select snippet
  • USA state list – HTML select snippet
  • Canada province list – HTML select snippet
  • Time zone list – HTML select snippet

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