Tool category

Data Tools

Format, validate, and transform structured data.

8 tools in this category.

JSON FormatterFree online JSON formatter and validator with Monaco, JSONPath, TypeScript/YAML tools, diff, schema validation, tree view, and local processing.

jsonformattervalidator

JSON Schema GeneratorGenerate JSON Schema from sample JSON and validate data locally with Draft 2020-12 or Draft 7.

json schema generatorgenerate json schema from jsonjson schema validator

SQL Formatter / SQL BeautifierFormat, beautify, and minify SQL queries online with local processing and dialect options for generic SQL, MySQL, PostgreSQL, SQLite, and T-SQL.

sqlformatterminifier

CSV to JSON / JSON to CSVConvert CSV, TSV, and JSON locally with header controls, delimiter options, type inference, table preview, copy, and download.

csvjsoncsv to json

Text Diff CheckerCompare two text blocks locally with side-by-side or unified diff, line and word highlighting, ignore whitespace/case, and change statistics.

text diffdiff checkercompare text

YAML Formatter / ValidatorFormat, validate, and convert YAML locally—Kubernetes, GitHub Actions, Docker Compose, JSON ↔ YAML, with line/column error hints.

yamlformattervalidator

XML Formatter / ValidatorFormat, validate, and minify XML with Monaco editing—syntax highlighting, error line markers, Maven POM, Android manifests, SVG, and sitemaps.

xmlformattervalidator

UTC Timestamp ConverterConvert Unix and UTC timestamps to local time, ISO 8601, seconds, and milliseconds—and back. 100% local in your browser.

timestamputc timestamp converterunix timestamp converter