Is the YAML to JSON private?

YAML parsing runs in this browser tab. HappyFormatter does not upload the text.

What can I use the YAML to JSON for?

Config snippets, API examples, YAML cleanup are common uses. The tool runs in your browser so it is suitable for quick checks and sensitive snippets.

Does HappyFormatter store YAML to JSON 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

YAML to JSON

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

What this tool is good for

Convert common mappings, arrays, strings, numbers, booleans, and null values.

Pretty-print the JSON result for API clients and editors.

Keep private config snippets local while converting.

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

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Dart

Application code

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Java

Application code

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Lua

Script

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Rust

Systems code

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Systems

5 families

C

Native source

Format C

C++

Native source

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C#

.NET source

Format C#

Objective-C

Apple source

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Zig

Systems code

Format Zig

Utilities

5 families

JSON Tools

JSON

JSON Viewer JSON Sort Keys JSON Diff

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Web

Base64 Encode/Decode Regex Tester URL Encoder/Decoder

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

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