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Developer

Developer and engineering utilities for JSON, encoding, hashes, identifiers, CRC, electronics and serial timing.

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EFEncoding & Formatting12 toolsISIdentifiers & Security9 toolswwwWeb & Data3 toolsEEEngineering4 toolsODOther Developer Tools2 tools

Encoding & Formatting

{}JSON FormatterFormat and validate JSON.{}JSON MinifierMinify JSON into compact form.{}JSON ↔ CSV ConverterConvert JSON to CSV or CSV back to JSON.0xBase64 Encode / DecodeEncode text to Base64 or decode Base64.wwwURL Encode / DecodeEncode or decode URL text.wwwHTML Encode / DecodeEncode or decode basic HTML entities.XFXML FormatterPretty-print simple XML in your browser.XMXML MinifierRemove unnecessary whitespace between XML tags.JWTJWT DecoderDecode JWT header and payload without verifying the signature.{}JSON String EscapeEscape text as a JSON string literal.U+ASCII / Unicode ConverterInspect character codes and Unicode code points.±Text DiffCompare two blocks of text line by line.

Identifiers & Security

QCQR Code GeneratorCreate QR codes for text, URLs, email, phone numbers and Wi-Fi.IDUUID GeneratorGenerate RFC 4122 version 4 UUIDs.IDBulk UUID GeneratorGenerate multiple UUID version 4 values.#SHA-256 GeneratorGenerate a SHA-256 hash in your browser.#SHA-1 GeneratorGenerate a SHA-1 hash in your browser.#SHA-512 GeneratorGenerate a SHA-512 hash in your browser.IDULID GeneratorGenerate sortable ULIDs locally.#HMAC GeneratorGenerate keyed message authentication codes.FILEFile Checksum CalculatorCalculate SHA checksums for local files.

Web & Data

.*Regex TesterTest a JavaScript regular expression against text.CECron Expression HelperExplain the five fields of a standard cron expression.CRCron Expression GeneratorBuild a standard five-field cron expression.

Engineering

CRCModbus CRC-16 CalculatorCalculate Modbus CRC-16 checksums.ΩResistor Divider CalculatorCalculate voltage divider output.ADCADC Voltage CalculatorConvert an ADC code to voltage.TXUART Frame Time CalculatorCalculate serial frame and transfer timing.

Other Developer Tools

0xDecimal / Hex / Binary ConverterConvert decimal, hexadecimal and binary in either direction.AaString LengthCount Unicode characters in a string.
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