Developer Tools

Check the 5 useful tools on topic Developer Tools

freeformatter.com

Free Online Cron Expression Generator and Describer - FreeFormatter.com

This free online tool lets you build a Quartz Cron expression or converts one in readable text format
andrew.hedges.name

Aspect Ratio Calculator (ARC)

Calculate the missing value for a particular aspect ratio.
json2yaml.com

Convert JSON to YAML

Convert JSON to YAML and slim down your data with the json2yaml online editor
getform.io

Getform | Easy form endpoints for your forms

Form backend platform for designers and developers
unixtimestamp.com

Unix Time Stamp - Epoch Converter

Epoch and unix timestamp converter for developers. Date and time function syntax reference for various programming languages.