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CSV to JSON

Output

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CSV to JSON Converter — Convert CSV to JSON Online Free

Parse CSV and convert to JSON array. First row becomes object keys.

Parse CSV files and convert to JSON arrays with headers as keys.

Paste or type your input into the editor on the left panel.
Results update automatically while you type. You can also press Ctrl+Enter to force a refresh.
View the result in the output panel on the right with full syntax highlighting.
Use Copy or Download to export the result.
Drag and drop .json or .txt files directly into the editor.
Toggle Tree View for an interactive, collapsible view of the JSON structure.

name,age
John,30
Jane,25

[{"name":"John","age":"30"},{"name":"Jane","age":"25"}]

100% client-side — your data never leaves your browser. No server processing, no data collection.
No sign-up required — start using the tool instantly with no registration or installation.
Keyboard shortcuts — press Ctrl+Enter to run, ? for shortcuts list, Ctrl+B to toggle sidebar.
Persistent state — your input is automatically saved across sessions using local storage.
IDE-style interface — Monaco Editor (the engine behind VS Code) with syntax highlighting and error detection.
Multi-format conversion — convert between JSON, XML, CSV, and YAML without switching tools.

The first row defines property names. Each subsequent row becomes an object with those keys.

Paste your data into the editor above for instant processing. Use Ctrl+Enter anytime to re-run quickly.