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JSON ↔ YAML Converter

Data Converters100% Client-Side

Convert seamlessly between JSON and YAML formats with syntax validation and indentation controls.

JSON Input418 chars
YAML Output
0 chars
SponsorNon-intrusive

What is JSON ↔ YAML Converter?

Convert data between JSON and YAML (YAML Ain't Markup Language). Perfect for Kubernetes configs, Docker Compose files, GitHub Actions workflows, and application settings.

How to Use Online

  1. 1
    Choose Conversion ModeSelect JSON to YAML or YAML to JSON conversion direction.
  2. 2
    Paste Data PayloadPaste your configuration file, Kubernetes manifest, or data object into the left editor.
  3. 3
    Set Indentation SpacingChoose 2-space or 4-space indentation for clean, readable YAML hierarchy.
  4. 4
    Copy or DownloadCopy the formatted result or download it directly as a .yaml or .json file.

Key Features

  • Bidirectional real-time conversion (JSON → YAML and YAML → JSON)
  • Syntax error highlighting for both JSON and YAML
  • Configurable YAML indentation spacing (2 or 4 spaces)
  • One-click file upload and download

Common Use Cases

  • Converting Docker Compose and Kubernetes manifests
  • Migrating configuration files between JSON and YAML formats
  • Validating GitHub Actions workflow syntax

Frequently Asked Questions

Yes! JSON is technically a valid subset of YAML 1.2, so any valid JSON data structure can be converted cleanly into YAML.