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The developer’s utility belt.

Fast, private, no sign-up. 40+ everyday tools for formatting, encoding, generating and converting — all running locally.

Popular: JSON Formatter · JWT Decoder · UUID Generator · Base64 Encode/Decode

Text & Data

4

JSON FormatterBeautify, minify & validate JSON.Diff CheckerCompare two blocks of text line by line.YAML ⇄ JSONConvert between YAML and JSON.Markdown PreviewRender Markdown to clean HTML live.

Encoding / Decoding

3

Base64 Encode/DecodeText & files to and from Base64.URL Encode/DecodePercent-encode query strings safely.HTML EntitiesEscape & unescape HTML entities.

Generators

4

UUID Generatorv4 / v7 identifiers in bulk.Hash GeneratorMD5, SHA-1, SHA-256 & more.Password GeneratorStrong, configurable secrets.Cron ExpressionBuild & explain cron schedules.

Converters

4

Unix TimestampEpoch ⇄ human date, any zone.Color ConverterHEX, RGB & HSL.Number BaseBinary, octal, decimal, hex.CSV ⇄ JSONTabular data both directions.

Network / Security

3

JWT DecoderInspect header, payload & signature.Bcrypt HashHash & compare bcrypt passwords.Subnet CalculatorCIDR ranges, masks & hosts.

Code Utilities

4

Regex TesterMatch, capture & explain patterns.SQL FormatterPretty-print any SQL dialect.QR Code GeneratorGenerate scannable QR codes..gitignore BuilderTemplates for every stack.