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Developer Tools

A pocket toolbox for developers and anyone who works with data: format and validate JSON, encode and decode Base64 and URLs, test regular expressions, generate UUIDs and hashes, convert timestamps, and look up HTTP status codes. Built for speed, paste your input, get the output, copy it back. Everything runs client-side, so API keys, tokens, and payloads you paste are never transmitted anywhere.

Base64 DecoderDecode Base64 back to text or a file. Base64 EncoderEncode text or files to Base64 in one click. CSV to JSON ConverterTurn spreadsheet data into clean JSON. Color ConverterConvert HEX, RGB and HSL with a live preview. HTML Entity DecoderTurn HTML entities back into characters. HTML Entity EncoderEscape HTML special characters safely. HTTP Status Code ReferenceEvery HTTP status code, searchable. JSON Formatter & ValidatorBeautify, validate and inspect JSON instantly. JSON MinifierCompress JSON and see exactly how much you saved. JSON to CSV ConverterTurn JSON arrays into spreadsheet-ready CSV. JWT DecoderRead JWT headers and payloads instantly. Regex TesterTest regular expressions with live highlighting. SHA-256 GeneratorFingerprint text or files with SHA-256. SHA-512 GeneratorFingerprint text or files with SHA-512. URL DecoderTurn percent-encoded URLs back into readable text. URL EncoderPercent-encode URLs or query values safely. UUID GeneratorGenerate secure random UUIDs in bulk. Unix Timestamp ConverterConvert timestamps to dates and back, with a live clock. XML FormatterBeautify and validate XML in one click.
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