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JSON formatter
↗Pretty-print, minify and validate JSON in your browser — nothing leaves your machine.
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Text tool
JSON ↔ YAML converter
Convert between JSON and YAML in both directions — configs, Kubernetes manifests, CI pipelines.
No files needed100% local · no upload
Guide
How to convert json ↔ yaml converter
Pick a direction
JSON → YAML for config files, or YAML → JSON for APIs and tooling.
Paste your document
Paste JSON or YAML into the editor — errors are reported with line numbers.
Copy the result
The converted document appears below, ready to paste into your repo or pipeline.
Frequently asked questions
What is YAML used for?
YAML is the human-friendly format behind Kubernetes manifests, GitHub Actions, Docker Compose, Ansible and many CI configs.
Will comments survive?
No — both directions parse into plain data, so YAML comments are dropped. Keep the original file for comments.
Is my config uploaded?
No — conversion is a pure local transformation. Nothing leaves your machine, which matters for configs that carry keys.
What if YAML has multiple documents?
Only the first document is converted; split multi-document files with --- first.
Keep converting
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