Is the JSON to CSV private?

CSV conversion is browser-only. Your rows are not uploaded.

What can I use the JSON to CSV for?

Spreadsheet exports, API data checks, Report drafts are common uses. The tool runs in your browser so it is suitable for quick checks and sensitive snippets.

Does HappyFormatter store JSON to CSV input?

No. HappyFormatter's utility tools process pasted input in the browser tab and do not store it on a server.

HappyFormatter Local code tools

Browse tools

Private browser utility

JSON to CSV

Convert arrays of JSON objects to CSV locally in your browser for spreadsheets, reports, and quick exports.

What this tool is good for

Convert arrays of objects into a header row plus CSV records.

Quote commas, quotes, and line breaks correctly.

Flatten nested values as JSON strings when needed.

Web

5 families

HTML

Markup

Format HTML

CSS

Stylesheet

Format CSS Minify CSS

JavaScript

Browser script

Format JavaScript Minify JavaScript Format with Biome Minify with Biome

TypeScript

Typed script

Format TypeScript Minify TypeScript Format with Biome Minify with Biome

SCSS

Stylesheet

Format SCSS Minify SCSS

Data

7 families

JSON

Structured data

Format JSON Minify JSON

XML

Structured markup

Format XML Minify XML

YAML

Config data

Format YAML

TOML

Config data

Format TOML

SQL

Query language

Format SQL

Proto

Schema

Format Proto

Markdown

Document

Format Markdown

Runtime

7 families

Python

Application code

Format Python Format with Ruff

PHP

Server script

Format PHP Format with Mago

Go

Application code

Format Go

Dart

Application code

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Java

Application code

Format Java

Lua

Script

Format Lua

Rust

Systems code

Format Rust

Systems

5 families

C

Native source

Format C

C++

Native source

Format C++

C#

.NET source

Format C#

Objective-C

Apple source

Format Objective-C Format Objective-C++

Zig

Systems code

Format Zig

Utilities

5 families

JSON Tools

JSON

JSON Viewer JSON Sort Keys JSON Diff

Web Encoding Tools

Web

Base64 Encode/Decode Regex Tester URL Encoder/Decoder

Data Converters

Converters

JSON to YAML YAML to JSON JSON to CSV XML to JSON

Security Utilities

Security

JWT Decoder Hash Generator

Color Tools

Colors

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