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JSON tools

Format, validate, compare, sort and convert JSON, JSON5 and JSONC in your browser, preserving key order and large numbers without uploading anything.

16 tools in this category, all running in your browser.

Tools in JSON

  • JSON Formatter

    /tools/json-formatter/

    Format and validate JSON while preserving large integers.

    JSON · Developer

  • JSON Validator

    /tools/json-validator/

    Check whether a document is valid JSON and report the first syntax error with its position.

    JSON · Validation · Developer

  • JSON Compare

    /tools/json-compare/

    Compare two JSON documents semantically in your browser: key-order and whitespace-insensitive, type-aware, with exact number literals and RFC 6901 paths.

    JSON · Developer

  • JSON Minifier

    /tools/json-minifier/

    Remove all insignificant whitespace from JSON while preserving every value.

    JSON · Developer

  • JSON Beautifier

    /tools/json-beautifier/

    Pretty-print JSON with 2-space, 4-space or tab indentation.

    JSON · Developer

  • JSON CSV Converter

    /tools/json-csv-converter/

    Convert JSON to CSV and CSV back to JSON in the browser.

    JSON · Developer

  • JSON XML Converter

    /tools/json-xml-converter/

    Convert JSON to XML and XML back to JSON in the browser.

    JSON · Developer

  • JSON YAML Converter

    /tools/json-yaml-converter/

    Convert JSON to YAML and YAML back to JSON in the browser.

    JSON · Developer

  • JSONPath Query

    /tools/jsonpath/

    Query JSON with JSONPath and see every match with its JSON Pointer path.

    JSON · Developer

  • JSON Pointer

    /tools/json-pointer-resolver/

    Resolve an RFC 6901 JSON Pointer against a JSON document.

    JSON · Developer

  • JSON Schema Validator

    /tools/json-schema-validator/

    Validate JSON against a JSON Schema subset and list every violation.

    JSON · Validation · Developer

  • JSON Sort Keys

    /tools/json-sort-keys/

    Sort every object key recursively for stable, deterministic JSON.

    JSON · Developer

  • JSON Schema Prompt Helper

    /tools/json-schema-prompt-helper/

    Turn a JSON Schema into a natural-language output instruction that names every field, locally in your browser.

    Developer · JSON · Generators

  • Structured Output Helper

    /tools/structured-output-helper/

    Build a strict structured-output contract from a sample JSON value, or repair fenced/trailing-comma JSON into valid JSON — locally.

    Developer · JSON · Validation

  • JSON Patch Generator

    /tools/json-patch-generator/

    Generate an RFC 6902 JSON Patch document from a source and a target JSON value.

    JSON

  • JSON Merge Patch

    /tools/json-merge-patch/

    Generate an RFC 7396 JSON Merge Patch from a source and a target JSON value.

    JSON

Related to tools in JSON, derived from the tool metadata.

Related guides & references

Guides and references covering tools in JSON, derived from the tool and content metadata.

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