The Universe of Free Online Tools
ToolUniverse is a free collection of browser-based developer tools: a JSON formatter and validator, JWT decoder, regex tester, Base64 encoder and decoder, and a YAML toolkit. No signup, no downloads, and nothing you paste ever leaves your browser.
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JSON ToolkitFormat, validate, minify, escape, and explore JSON online — instantly, for free.Base64 EncoderConvert text, JSON, or code into Base64 instantly — free, unlimited, in your browser.Base64 DecoderDecode Base64 strings back into readable text instantly — free, unlimited, in your browser.Regex TesterTest JavaScript regular expressions against real text instantly — free, in your browser.JWT DecoderDecode a JSON Web Token's header and payload instantly — free, unlimited, in your browser.YAML ToolkitFormat, validate, and convert YAML online — instantly, for free.