CSV to JSON Converter

Convert CSV into JSON — locally in your browser.

Tool

Paste your input and get output instantly. Everything stays in your browser.

Drag & drop a CSV file

or click to choose • Converts locally • No uploads

No file selected —

Header row Infer types Trim Skip empty lines Empty → null Delimiter Output Indent

Status Ready

✓ Runs locally

✓ No uploads

✓ No tracking

CSV to JSON transforms CSV files or text into structured JSON.

Perfect for migrating spreadsheet data into APIs or applications.

Upload a CSV and instantly receive JSON output.

No file uploads. Parsing happens entirely in your browser.