OK Tools

Free browser tool

Free CSV to JSON Converter

Parse CSV into pretty JSON objects or row arrays — choose delimiter and header handling.

Input

100% client-side. Your data never leaves this device.

About this csv to json

CSV to JSON helps you transform or inspect data right in your browser — no signup and no uploads.

Every conversion and check stays on your device, which is ideal for sensitive or one-off snippets.

When you need logged-in agent browsing and multi-step workflows, open okayok.ai.

Why use this tool

Private by design

Nothing is sent to our servers — processing stays local.

Delimiter aware

Parse CSV with the delimiter your spreadsheet exported.

Header or raw rows

Map the first row to object keys, or keep plain arrays.

Related utilities

Jump to JSON formatter, YAML/XML/CSV converters, and Diff.

How to use

  1. 1

    Prepare input

    Paste text or upload a file from your device.

  2. 2

    Run the action

    Click convert/validate and tweak options like delimiter if needed.

  3. 3

    Copy or download

    Grab the result from the clipboard or save a file.

FAQ

More utility tools

JSON to CSV

Convert JSON to CSV with custom delimiter and header toggle.

JSON Formatter

Format, validate, and minify JSON in your browser.

JSON Tree View

Explore JSON as a collapsible, syntax-highlighted tree.

JSON Validator

Validate JSON and highlight error line/column.

More from Okay OK

Okay OK is the official home of the OK product family — OK Tools, OK Video, OK Images, and more.

Visit okayok.ai