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YAML ↔ JSON Converter

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Paste YAML config or JSON data and convert between the two formats. Handles nested objects, arrays, booleans, nulls and numbers.

YAML Input
JSON Output

Works great for

☸️

Converting Kubernetes YAML configs

Transform Kubernetes manifests and Helm chart values between YAML and JSON to use them with tools that require a specific format. Validate structure instantly as you paste.

🔄

Migrating CI/CD pipeline configs

Convert GitHub Actions, GitLab CI, or CircleCI YAML configurations to JSON for programmatic processing or diffing. Move config data between pipeline formats without manual rewriting.

📋

Validating YAML structure

Paste a YAML config file to catch indentation errors, missing keys, and syntax issues before deploying. Invalid YAML is highlighted immediately so you can fix it fast.

🔧

Converting Helm chart values

Switch between YAML values.yaml files and their JSON equivalents for use with Helm CLI flags or ArgoCD ApplicationSets. Keep infrastructure configs portable across tooling.

🌐

Transforming API responses

Convert JSON API responses into YAML for use in configuration files or human-readable documentation. YAML is often preferred for config files due to its readability and comment support.

⚙️

Editing app configuration formats

Many frameworks accept both YAML and JSON for application configuration. Convert between formats to match your team's preferred config style or tooling requirements.

yaml to jsonjson to yamlyaml json converterconvert yaml to jsonyaml validatoryaml parserkubernetes yamlhelm chart yamlgithub actions yamlyaml formatter

Frequently asked questions

How do I convert a YAML config file to JSON?

Paste your YAML into the input panel and the equivalent JSON is generated immediately, preserving nested objects, arrays, booleans, nulls, and numbers. Switch direction to convert JSON back into YAML.

Does this tool support Kubernetes and GitHub Actions YAML files?

Yes. It parses standard YAML syntax used in Kubernetes manifests, Helm charts, and GitHub Actions workflows, converting nested structures, lists, and scalar types into matching JSON.

Is my YAML data safe to paste into this converter?

The conversion runs entirely in your browser, so your YAML or JSON content is not sent anywhere to process the conversion.

Can this tool validate whether my YAML syntax is correct?

Yes. If the YAML has a syntax error, the parser surfaces it instead of producing a conversion, which makes the tool useful as a quick YAML validity check before converting.

JSON Formatter
Developer · Format, validate and minify JSON with syntax highlighting.
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Base64 Encode / Decode
Developer · Encode text to Base64 or decode Base64 back to plain text.
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URL Encoder / Decoder
Developer · Encode or decode URL components and query strings.
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Hash Generator
Developer · Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.
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UUID Generator
Developer · Generate UUIDs v4 (random) in bulk with one click.
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Regex Tester
Developer · Test regular expressions against text with live match highlighting.
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Word Counter
Text · Count words, characters, sentences, paragraphs and reading time.
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Case Converter
Text · Convert text between UPPER, lower, Title, camelCase, snake_case and more.
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List Sorter
Text · Sort, reverse, deduplicate and shuffle lists of text.
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Markdown Preview
Text · Write Markdown and see a live rendered preview side by side.
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Percentage Calculator
Numbers · Calculate percentages, increases, decreases and what % one number is of another.
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Color Converter
Colors · Convert colors between HEX, RGB, HSL and HSV instantly.
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Snake
Arcade · Eat food, grow longer, don't hit the walls. A timeless classic.
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2048
Puzzle · Slide tiles and combine them to reach the legendary 2048 tile.
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Word Grid
Puzzle · Guess the hidden five letter word in six tries using color clues.
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Sudoku
Puzzle · Fill the 9x9 grid with logic. Four difficulties from easy to expert.
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Minesweeper
Strategy · Use number clues to clear the minefield. Classic logic, three levels.
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Breakout
Arcade · Smash every brick with paddle and ball. Power-ups, combos, endless levels.
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Typing Practice
Casual · Build your WPM and accuracy with timed drills from 30 seconds to 5 minutes. Find your weak keys.
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TypeRunner
Arcade · Multiplayer typing race. Race friends by link, beat computer runners, or chase your own ghost.
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Typing Blocks
Arcade · Type each word before its wooden block lands. Miss, and the pile climbs toward the line.
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Bubble Shooter
Arcade · Aim, bank shots off the walls, and pop groups of three or more bubbles.
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Road Rush
Arcade · Race seven rivals through traffic and punch your way to the front.
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