The Base64 Alphabet and Padding Explained (=, +, /)
Which characters are valid Base64, which are illegal, why a block can be illegible, why it can start with /, and how the = padding works, with an example.
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All articles about dev-tools: 3 practical guides and tutorials from our free, privacy-first online tools.
JSON Pointer (RFC 6901) Explained
Master JSON Pointer (RFC 6901): how paths address values, why ~0 and ~1 escape ~ and /, the - array token, and how it powers JSON Patch and JSON Schema.
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JSONPath Query Syntax Guide: Expressions and Filters
Learn JSONPath syntax for querying JSON data: root, child, recursive, wildcard, filters, slicing, and real-world examples compared with XPath and jq.
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