All 23 tools
All 23 utilities run in your browser. Pick a job and your data stays on this device — nothing is uploaded.
JSON tools
JSON tools hubJSON Formatter & ValidatorPretty-print, minify and validate JSON in your browser.JSON MinifierStrip whitespace from JSON and see the bytes saved.JSON ↔ YAML ConverterConvert JSON to YAML and back for configs and manifests.JSON ↔ CSV ConverterTurn arrays of objects into CSV rows and back again.JSON DiffCompare two JSON documents structurally, ignoring key order.JSON ↔ XML ConverterConvert JSON to XML and back, and pretty-print XML.JSON → TypeScriptGenerate TypeScript interfaces from a JSON sample.JSONPath TesterQuery JSON with JSONPath and inspect every match.
Encoding tools
Encoding tools hubJWT DecoderInspect header and payload of a JSON Web Token locally.Base64 Encode / DecodeConvert text to Base64 and back without uploading.URL Encode / DecodePercent-encode query strings, paths and fragments.HTML Entity Encode / DecodeEscape text for HTML and decode entities back to text.Query String ↔ JSONTurn URL query strings into JSON and back.Hex Encode / DecodeConvert text and bytes to hexadecimal and back.
Generators
Generators hubText tools
Text tools hubCase ConvertercamelCase, snake_case, kebab-case, PascalCase and more.Unix Timestamp ConverterConvert Unix time to ISO dates and back, locally.Regex TesterTest regular expressions with live match highlighting.Text DiffCompare two texts line by line and see what changed.Cron Expression ExplainerTurn cron expressions into plain English and next runs.Slug GeneratorTurn any title into a clean, URL-safe slug.