JSON Formatter
Validate, prettify, minify or sort JSON keys with clear syntax errors.
Developer toolsDeveloper tools
Untangle code, encodings and everyday data.
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CSV to JSON
Convert CSV rows to JSON objects with quoted, escaped and multiline cells supported.
Developer toolsJSON to CSV
Convert an array of JSON objects into escaped CSV with spreadsheet-safe string cells.
Developer toolsBase64 Encoder / Decoder
Encode UTF-8 text as Base64 or decode standard and URL-safe Base64 back into text.
Developer toolsURL Encoder / Decoder
Percent-encode URL components, decode query values or safely encode a complete URI.
Developer toolsHTML Entity Encoder
Escape HTML’s special characters or decode common named and numeric entities.
Developer toolsUnix Timestamp Converter
Convert Unix seconds or milliseconds to UTC dates and ISO dates back to timestamps.
Developer toolsNumber Base Converter
Convert whole numbers between binary, octal, decimal, hexadecimal and base 36 exactly.
Developer toolsHash Generator
Generate SHA-256, SHA-384 or SHA-512 hashes of UTF-8 text using your browser.
Developer toolsJWT Decoder
Inspect a JWT header and payload locally. Decoding does not verify signatures or authorize access.
Developer toolsURL Parser
Inspect an absolute URL’s host, path, fragment and decoded query parameters.
Developer toolsRegex Tester
Test JavaScript regular expressions in an isolated worker with a timeout and match details.
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