DevKitHub - 40+ essential tools for coding, converting, and debugging.
JSONLint - JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
tooltool.net - Online toolkit designed for software engineers and developers, including JSON parsing, Base64 encoding/decoding, MD5 encryption, URL encoding/decoding, timestamp conversion, UUID generation and other practical tools.
FreeFormatter - Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.
tojsons.com - Professional developer tools built with Lovable AI: JSON formatter, text converter, encryption utilities. Free, no signup, privacy-focused browser tools.
JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON