ToolHub

CSV to JSON

Convert CSV to JSON (first row as header).

Runs locally in your browser by default; no upload.
Guide for this tool →

ToolHub Pro — Remove ads and unlock one-click file export on text-output tools below (image tool keeps its own download).

Smart JSON Repair
Batch repair requires Pro.
Output

You may also need

JSON Format / MinifyJSONPath QueryYAML ↔ JSONSmart JSON RepairJSON Sort Keys (deep)JSON to CSV

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