How do I convert a JSON file to YAML format online for free?

Upload your JSON file above. The converter parses the JSON and serialises it as YAML with proper indentation, using 2-space indents for nested structures. The .yaml file is ready to download in seconds — no login, no server upload.

What are the main differences between JSON and YAML?

YAML is a superset of JSON designed to be more human-readable. YAML uses indentation instead of braces and brackets, supports inline comments with #, and allows string values without quotes in most cases. JSON is more explicit and widely supported in APIs; YAML is preferred for configuration files.

Does the JSON to YAML converter handle nested objects and arrays?

Yes. Nested JSON objects become indented YAML mappings, and JSON arrays become YAML sequences (dash-prefixed lists). Any depth of nesting is supported.

Is the YAML output compatible with Kubernetes, Docker Compose, and GitHub Actions?

Yes. The output is standard YAML 1.2, compatible with Kubernetes manifests, Docker Compose files, GitHub Actions workflows, Ansible playbooks, Helm charts, and any other tool that consumes standard YAML configuration.

Is the JSON to YAML converter free and private?

Yes — free, no account, and fully client-side. Your data never leaves your browser.

JSON → YAML

JSON to YAML

Convert JSON files to YAML format instantly. Perfect for config files and DevOps workflows.

Your files are processed locally and never uploaded to our servers.

How it works

1
Upload your file
Drop your file or click to browse. No size limit.
2
Convert instantly
Processed in your browser — nothing is uploaded to any server.
3
Download the result
Your converted file is ready in seconds.

Frequently Asked Questions

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