Encoding
Base64, URL, HTML, Hex, Binary, Unicode and other common encodings
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Base64 encode / decode
Convert UTF-8 text to and from Base64, standard or URL-safe
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URL encode / decode
Percent-encoding for URLs and query values
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HTML entity escape
Convert between raw text and HTML entities (& < > " ')
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Hex ↔ text
Convert UTF-8 text and hex byte sequences both ways
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Binary ↔ text
Convert UTF-8 text and binary (0/1 bit strings)
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Unicode escape
Convert between text and \uXXXX escape sequences (surrogate/emoji safe)