DevsToolkit

CSV to JSON

CSV

Convert CSV data to JSON format with header detection

All processing happens locally in your browser — your data never leaves your machine.
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Examples

Basic CSV

Input
name,age,city
John,30,New York
Jane,25,San Francisco
Output
[
  {
    "name": "John",
    "age": "30",
    "city": "New York"
  },
  {
    "name": "Jane",
    "age": "25",
    "cit...

Tab-Separated

Input
name	age	city
Alice	28	Chicago
Bob	35	Boston
Output
[
  {
    "name": "Alice",
    "age": "28",
    "city": "Chicago"
  },
  {
    "name": "Bob",
    "age": "35",
    "city...

Frequently Asked Questions

What CSV formats are supported?
The converter supports standard CSV with comma delimiters, as well as TSV (tab-separated) and custom delimiters. It auto-detects headers from the first row.
How are data types handled?
By default, all values are treated as strings. Numbers and booleans are automatically detected and converted to their proper JSON types.

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