YAML to JSON
Convert YAML configuration files into valid, formatted JSON data.
About YAML to JSON
Parse YAML configurations and convert them into standardized JSON format. Convert Kubernetes configs, GitHub Actions workflows, and Docker Compose files into programmable JSON objects.
How to use YAML to JSON
Add your file
Choose a file or drag it onto the upload box. We check that the file type and size are supported.
Pick your options
Change the settings shown next to the file if you need to. The defaults work for most files.
Download the result
Click the main button, then download your new file. Check it before you share or submit it.
What it does
- ✓YAML parsing supporting nested keys, sequences, multiline strings, and scalars
- ✓Configurable JSON output indentation (2 spaces, 4 spaces, or compact minified)
- ✓Syntax error diagnostics detecting indentation errors and invalid YAML syntax
- ✓Direct client-side execution in your browser with no network transmission
When to use it
Convert YAML configuration files into JSON for processing by Node.js, Python, or Go scripts.
Translate YAML-based OpenAPI specifications into JSON for consumption by web clients.
Ingest YAML configuration data into JSON-native document databases and search indexes.
Bridge configuration data between YAML-first systems and JSON-first services.
Tips
- •Ensure your YAML uses consistent 2-space indentation without tab characters before converting.
- •Use 2-space JSON formatting for human readability or 0-space minification for production APIs.
- •Click the Copy button to immediately paste the resulting JSON into your application codebase.