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Developer Tools

Free developer utilities: validators, generators and formatters running 100% in your browser.

Techie tools

Format, generate and test data without installs or external dependencies.

Code Formatters

Format and beautify JSON, XML, SQL, CSS and YAML. Free and private code tools in your browser.

UUID / GUID Generator

Generate multiple Universal Unique Identifiers (v4) in milliseconds for your databases or dev projects.

Password Generator

Create hyper-secure and random passwords right on your device. Completely private and offline.

Developer tools — OToolbox

JSON formatters, UUID generators, password tools and other developer utilities with no sign-ups and no ads.

Dev utilities

Private, local and fast developer utilities.

  • • Code Formatters
  • • UUID / GUID Generator
  • • Password Generator