Dev Tools
JSON, regex, base64
2 articles in this section
JSON Formatter: Free Online Tool with Real Validation (No Signup)
Free in-browser JSON formatter, validator, and minifier. Pretty-print, validate, find errors instantly. Data never leaves your tab.
5 min read·May 11, 2026
Essential Free Developer Tools: JSON Formatters, Regex Testers, and Base64 Encoders
A practical guide to free JSON formatters, regex testers, and Base64 encoders, plus when to use each and how to keep secrets safe.
11 min read·Jul 1, 2026