Convert Config Files: JSON to YAML, YAML to TOML, and Back Again
Migrate configuration files between JSON, YAML, and TOML formats. Handle comments, multiline strings, and type differences without losing data.
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Tags: configuration, conversion, devops
Convert Config Files: JSON to YAML, YAML to TOML, and Back Again Config files pile up fast. You start with a , add a , configure your deployment in , and suddenly you're manually keeping three formats in sync while fighting type coercion bugs at midnight. This guide gives you the exact commands and patterns to convert between JSON, YAML, and TOML without data loss. Tool Setup Install the tools you'll use throughout this guide: Verify: --- JSON → YAML The most common conversion: your CI pipeline wants YAML but your build tool emitted JSON. Using yq The flag means "pretty print as YAML". Without it, outputs YAML flow style (compact, one-liner). Handling arrays of objects: Output: The string/boolean trap: After : v4 preserves this correctly. v3 (Python-based, different tool) did not —…
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