💻Developer Tools
Utilities for developers — JSON, Base64, URL encode, regex, Markdown and more.
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Base64 Encoder / Decoder
Encode text to Base64 and decode it back.
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URL Encoder / Decoder
Percent-encode and decode URLs and query strings.
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HTML Encoder / Decoder
Escape and unescape HTML entities.
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Number Base Converter
Convert binary, octal, decimal & hex.
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Regex Tester
Test regular expressions live.
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Text to Binary Converter
Convert text ⇄ binary (ASCII).
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Markdown to HTML
Live Markdown preview & HTML output.
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Color Contrast Checker
WCAG contrast ratio for text colors.
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Aspect Ratio Calculator
Find ratios and resize dimensions.
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