All tools
Your local API workbench.
Small, focused utilities for the repetitive parts of backend development. No uploads, no accounts, no input history.
JSON FormatterFormat, validate, and minify JSON without sending it anywhere.DataJSONPath TesterTest RFC 9535 JSONPath expressions against local JSON documents.DataJWT DecoderInspect JWT headers, payloads, and time-based claims locally.SecurityUnix Timestamp ConverterConvert timestamps to readable dates and back.Time & IDsUUID GeneratorGenerate cryptographically secure UUID v4 values.Time & IDsCron Expression ParserUnderstand cron fields and preview upcoming run times.Developer UtilitiesBase64 Encoder / DecoderEncode and decode UTF-8 text in standard or URL-safe Base64.EncodingURL Encoder / Query ParserEncode URL components and inspect query parameters.EncodingHash / HMAC GeneratorCreate SHA digests and HMAC values with Web Crypto.SecurityYAML ↔ JSON ConverterConvert safely between YAML 1.2 and JSON.Data