dupkey is described as 'Code beautifiers, calculators, converters, minifiers, validators, and utilities' and is an website in the development category. There are more than 10 alternatives to dupkey, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Self-Hosted apps. The best dupkey alternative is DevToys, which is both free and Open Source. Other great sites and apps similar to dupkey are CyberChef, Omni Tools, DevToys for Mac and DevHub App.
DevT Pro is an offline developer toolkit that bundles more than 120 everyday utilities into a single native app, so there is no need to paste sensitive data into random websites. All processing happens locally on your machine.
India
