Are data converters private?

Yes. These tools run in the browser and do not upload pasted text to HappyFormatter servers.

Which converters tools are included?

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

Can I use these tools for sensitive snippets?

The tools are designed for local browser processing, but you should still avoid pasting secrets into any web page unless your organization allows it.

Tool category

Data Converters

Convert JSON, YAML, XML, and CSV-friendly data locally in your browser. No upload and no account required.

JSON to YAML

Convert JSON to readable YAML locally in your browser for config files, docs, and infrastructure snippets.

Open tool

YAML to JSON

Convert simple YAML documents to JSON in your browser. Useful for config snippets, examples, and structured notes.

Open tool

JSON to CSV

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

Open tool

XML to JSON

Convert XML documents to JSON locally in your browser for quick inspection, API work, and migration notes.

Open tool

Data Converters

Web

HTML

CSS

JavaScript

TypeScript

SCSS

Data

JSON

XML

YAML

TOML

SQL

Proto

Markdown

Runtime

Python

PHP

Go

Dart

Java

Lua

Rust

Systems

C

C++

C#

Objective-C

Zig

Utilities

JSON Tools

Web Encoding Tools

Data Converters

Security Utilities

Color Tools