Developer Guides
Short, practical articles that help you get work done faster — then jump into a free DevUtil tool that runs entirely in your browser.
How to Format JSON Online
Learn how to format, validate, and minify JSON in your browser without uploading data. Includes common errors and a free JSON formatter.
Read guide → related tool: JSON FormatterHow to Format SQL Online
Beautify messy SQL for reviews and debugging. Learn when to minify SQL and how to format queries privately in your browser.
Read guide → related tool: SQL FormatterCron Expression Examples
Practical cron examples for hourly, daily, weekly, and monthly jobs. Learn the 5-field format and build expressions visually.
Read guide → related tool: Cron GeneratorYAML vs JSON
Compare YAML and JSON for configs, APIs, and Kubernetes. See differences and convert between formats in your browser.
Read guide → related tool: YAML ↔ JSON ConverterPrefer the tools directly?
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