How are CSV headers determined?

The first row of the CSV is treated as the header row and used as JSON object keys. Each subsequent row becomes an object with those keys.

Which delimiters are supported?

Comma (default), semicolon, and tab. Select the delimiter that matches your CSV data. Auto-detection is not performed; choose explicitly.

How are quoted fields with commas handled?

Fields wrapped in double quotes can contain the delimiter, newlines, and escaped quotes ("""). The parser follows RFC 4180 conventions.

What JSON shape is produced from CSV?

An array of objects, each with keys from the header row. Values are always strings; numeric coercion is left to the consumer.

Can I convert JSON to CSV?

Yes. The tool accepts a JSON array of objects and uses the union of keys as the header row. Missing values are emitted as empty fields.

Is my data uploaded anywhere?

No. All parsing and serialization happen locally in your browser. The tool is safe for sensitive datasets.

Convertisseur CSV

Convert between CSV and JSON online. Supports comma, semicolon, and tab delimiters. Gratuit, privé et 100% côté client.

Modeparam.delimiter

Entrée

Essayer un exemple:

Sortie

Local only

Historique récent

Aucun historique

Utilisation

Paste CSV or JSON into the input box.
Select the conversion mode and delimiter.
Copy or download the converted result.

Tâches utilisant cet outil

Convertir CSV data to structured JSON

Analyser a CSV table (with headers, quoted fields, embedded commas) into an array of JSON objects for programmatic access.

TÂCHE

Convertir CSV to TSV (tab-separated values)

Change le delimiter de comma en tab. TSV est useful quand données contains commas et quoting est undesirable.

TÂCHE

Convertir CSV to XML

Convertir tabular CSV data to XML for systems that require XML input. Each row becomes an XML element with child elements for columns.

TÂCHE

Convertir CSV to YAML

Convertir tabular CSV data to YAML for structured configuration or documentation. Each row becomes a YAML list item with column headers as keys.

TÂCHE

Pipelines utilisant cet outil

Convertir CSV en JSON puis YAML

PIPELINE

Questions fréquentes

How are CSV headers determined?: The first row of the CSV is treated as the header row and used as JSON object keys. Each subsequent row becomes an object with those keys.
Quels délimiteurs sont pris en charge ?: Comma (default), semicolon, and tab. Select the delimiter that matches your CSV data. Auto-detection is not performed; choose explicitly.
How are quoted fields with commas handled?: Fields wrapped in double quotes can contain the delimiter, newlines, and escaped quotes ("""). The parser follows RFC 4180 conventions.
What JSON shape is produced from CSV?: An array of objects, each with keys from the header row. Values are always strings; numeric coercion is left to the consumer.
Can I convert JSON to CSV?: Yes. The tool accepts a JSON array of objects and uses the union of keys as the header row. Missing values are emitted as empty fields.
Mes données sont-elles téléversées quelque part ?: No. All parsing and serialization happen locally in your browser. The tool is safe for sensitive datasets.

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