JSON Tools


Formatting and validating JSON data online.

Measure width and height of any web page elements in pixels


This tool can measure width and height of any web page elements in pixels. Mouse drag to create a ruler. It like an online version of "Measureit" extension/addson, but no installation required.

javascript validator


Javascript Validator is a static code analysis tool used in software development for checking if JavaScript source code contains syntax error. It is provided primarily as an online tool.

Text diff


It is an online text string comparison tool, provide three ways to display the result.

PHP code syntax check


Check your PHP syntax online. It can check both PHP4 and PHP5 for errors.

MySQL Syntax Check


An online SQL Query Checker.

Regex Tester


This is a tool that you can test regular expression online. Supported languages: PHP, Python and Javascript.

ES6 Syntax Check


An online ECMAScript 6 Checker.