BeYourTools
BeYourTools/Outils JSON

Outils JSON

Tout ce qu'il vous faut pour travailler avec JSON — formater, valider, comparer, convertir, transformer et générer. Tous les outils s'exécutent entièrement dans votre navigateur, sans aucun envoi de fichiers.

30 tools total100% browser-basedNo upload needed

Popular JSON Tools

{ }JSON Formatter{ }JSON Validator{ }JSON Diff / Compare{ }JSON Beautifier{ }JSON Repair{ }JWT Decoder{ }JSON Schema Generator{ }JSON → TypeScript

Browse JSON Tools by Category

Format & Validate

Format, beautify, validate, and repair JSON documents.

9 tools →

Compare & Manipulate

Diff, sort, merge, flatten, and query with JSONPath.

5 tools →

Convert

Convert JSON to CSV, YAML, XML, TypeScript, SQL and more.

10 tools →

Generate & Schema

Generate JSON Schema, mock data, and validate schemas.

3 tools →

Encode & Inspect

Base64 encode/decode, JWT decoding, and token counting.

3 tools →

Format & Validate

9 tools
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JSON Formatter

Pretty-print JSON with custom indentation.

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JSON Beautifier

Clean up messy JSON into a readable layout.

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JSON Validator

Check JSON syntax and get precise error locations.

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JSON Minifier

Strip whitespace to shrink JSON payloads.

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JSON Viewer / Tree

Explore JSON as a collapsible tree.

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JSON Editor

Edit JSON with a live tree preview.

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JSON Repair

Fix common JSON mistakes automatically.

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JSONL Formatter

Pretty-print each line of a JSONL file.

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JSONL Validator

Validate every line of a JSONL file independently.

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Compare & Manipulate

5 tools
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JSON Diff / Compare

Compare two JSON documents side by side.

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JSON Sorter

Sort object keys alphabetically, recursively.

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JSON Merge

Deep-merge two JSON objects into one.

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JSON Flatten / Unflatten

Flatten nested JSON to dot paths, or rebuild it.

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JSONPath Tester

Run JSONPath expressions against your JSON.

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Convert

10 tools
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JSON → CSV

Turn a JSON array into a CSV file.

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CSV → JSON

Turn CSV rows into a JSON array.

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JSON → YAML

Convert JSON to readable YAML.

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YAML → JSON

Convert YAML documents into JSON.

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JSON → XML

Convert JSON objects into XML markup.

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XML → JSON

Convert XML documents into JSON.

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JSON → TypeScript

Generate TypeScript interfaces from JSON.

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JSON → Python

Generate Python dataclasses from JSON.

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JSON → SQL

Generate SQL CREATE TABLE + INSERT statements.

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JSON → Excel

Export a JSON array as an .xlsx workbook.

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Generate & Schema

3 tools
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JSON Schema Generator

Infer a JSON Schema from sample data.

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JSON Schema Validator

Validate JSON against a JSON Schema.

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JSON Generator

Generate mock JSON data from a template.

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Encode & Inspect

3 tools
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Base64 Encode/Decode

Encode or decode Base64 text.

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JWT Decoder

Decode a JWT's header and payload.

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JSON Token Counter

Estimate LLM token count for a JSON payload.

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