Developer
CSV to JSON converter
Convert CSV rows into a JSON array of objects or arrays.
Free to use · Runs in your browser · No signup
This tool works in your browser. Enable JavaScript to select files and create your download.
How to use CSV to JSON converter
- Paste CSV, including quoted values and line breaks if needed.
- Choose whether the first row holds column names and whether to convert numbers and booleans.
- Copy or download the JSON.
What you need
Nothing to upload. Type or paste directly into the tool; results update as you go.
Your result
A JSON array.
Before you start
The delimiter (comma, semicolon, tab, or pipe) is detected automatically. Values stay as text unless you turn on type conversion.
Questions about CSV to JSON converter
How do I use CSV to JSON converter?
Paste CSV, including quoted values and line breaks if needed. Choose whether the first row holds column names and whether to convert numbers and booleans. Copy or download the JSON.
What does CSV to JSON converter produce?
A JSON array.
What should I check before using CSV to JSON converter?
The delimiter (comma, semicolon, tab, or pipe) is detected automatically. Values stay as text unless you turn on type conversion.
Is what I type sent anywhere?
No. The calculation runs in your browser, and the text or numbers you enter are not uploaded or stored.