/json

JSON developer tools

Format, validate, repair, compare, query and generate schemas or types from JSON without uploading your data.

7 browser-only tools · no upload required

/json

JSON Repair

Fix common JSON-ish mistakes from AI output, logs and copied configs.

browser-onlyno upload
/json

JSON Schema Generator

Infer JSON Schema from sample objects and arrays.

browser-onlyno upload
/json

JSONPath Query

Query nested JSON with JSONPath-style selectors and copy matched values.

browser-onlyno upload
/json

CSV ↔ JSON Converter

Convert CSV to typed JSON and JSON arrays back to CSV, with delimiter detection.

browser-onlyno upload
/json

JSON Formatter

Format, validate, and minify JSON in your browser.

browser-onlyno upload
/json

JSON to TypeScript

Generate TypeScript interfaces from any JSON sample.

browser-onlyno upload
/json

JSON Tree Diff

Compare JSON structurally and report changed paths without whitespace noise.

browser-onlyno upload

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