Developer Tools Tools
Use 6 focused tools, then continue through related guides and workflows.
Ctrl K
Regex Tester
Test regular expressions against sample text.
Open free tool →Code Formatter
Paste HTML, CSS, JS, JSON, or SQL to format.
Open free tool →URL Toolkit
Parse, encode, decode, and inspect URLs.
Open free tool →SQL Formatter
Paste SQL to format and beautify.
Open free tool →YAML/JSON Converter
Paste simple YAML or JSON to convert.
Open free tool →Markdown to HTML
Paste basic Markdown to convert headings, emphasis, and line breaks to HTML.
Open free tool →How to use the Developer Tools collection
Start with the tool matching your immediate task. The recommendation engine connects it to useful next steps, resources, and multi-tool workflows.