Some must-have & free online development tools

Below is the list of some good & free online tools that can assist you in web development in ways like validation & optimization:

Front-end tools:

  • JS Beautifier – Beautify, unpack or deobfuscate JS, HTML, JSON etc and make them readable
  • JSON validator – help with debugging JSON and making them readable
  • HTML Formatter – formats a HTML string/file with your desired indentation level
  • Image to Data URI – utility to convert an image into base 64 data URIs for embedding images
  • Feed Validator – validates Atom and RSS feeds
  • JS Fiddle – online tool to do front-end coding & view LIVE changes

Back-end tools:

Creative development tools:

Digital Marketing:

  • GoogleBot Simulator – simulates exactly how googlebot sees your pages
  • iOS Simulator – online simulator that spoofs user agents and allows you to surf the mobile internet from the comfort of your desktop browser
  • Responsinator – helps website makers quickly get an indication of how their responsive site will look on the most popular devices
  • SEO Center – bunch of SEO tools
  • Google URL Shortner – URL shortner service from Google

Tools to enhance productivity:

Please feel free to contribute more to this list….