Vasa Serafin

Tools

Dev Toolbox

Test regular expressions, convert between JSON, YAML and XML, and try ideas in a tiny code sandbox.

Coming soon to Google Play.

Open the webapp Privacy policy

Highlights

Regex

Test a pattern against a sample and see the matches.

Convert

JSON, YAML and XML, translated in the browser.

Sandbox

A tiny offline language: let, print, and arithmetic.

What is inside

  • Regex bench — pattern against sample
  • Format flip — JSON, YAML, XML both ways
  • Code sandbox — a tiny offline language

Good to know

Free with ads. A one-time AUD 0.99 purchase removes ads.

Each app has its own privacy policy: Dev Toolbox privacy policy.