About this tool
Convert configuration files, API fixtures, and deployment descriptors bidirectionally between JSON and YAML with syntax validation and clean indentation formatting.
JSON ⇄ YAML Converter
Convert between JSON and YAML formats bidirectionally with syntax validation and formatted indentation.
Example
- mode: json-to-yaml
- input: { "name": "LilUtils", "tools": ["json", "yaml"] }
Output
DEVWaiting
Run the tool to generate output.
When to use this tool
Use JSON ⇄ YAML Converter when translating configuration files, CI/CD pipelines, Docker configs, and API fixtures between formats.
Inputs, Formats & Specifications
- Accepted Inputs
- Valid JSON or YAML text
- Output Formats
- Converted counterpart format (JSON or YAML) with syntax validation
- Supported Standards
- JSON (RFC 8259), YAML 1.2
- Browser Limits & Scope
- Supports objects, arrays, strings, numbers, booleans, and nulls. Proprietary YAML custom tags or circular references cannot be represented in standard JSON.
How to use this tool
- Paste your JSON or YAML content into the left editor pane.
- Select conversion direction: 'JSON to YAML' or 'YAML to JSON'.
- View the converted document instantly in the right editor pane with syntax validation.
- Copy the converted output or download the resulting file.
Examples
Kubernetes / GitHub Actions Workflow Conversion
Convert JSON configuration snippets into clean, indented YAML for Kubernetes manifests or GitHub Actions CI/CD workflows.
Docker Compose to JSON
Translate a YAML configuration file into JSON for consumption by internal node scripts or API endpoints.