Spring Boot Developer Tools

Spring Boot YAML Converter
& Configuration Validator

Convert application.properties to application.yml and back, validate Spring Boot configurations, generate production-ready templates for MySQL, PostgreSQL, Redis, Kafka, Docker and Kubernetes, and troubleshoot config issues — instantly, in your browser.

Live conversion Profiles & arrays Validator + fixes 20+ templates 100% client-side

Properties ⇄ YAML

application.properties input
application.yml output

Configuration Validator

Detects duplicate keys, YAML syntax errors, indentation issues, and common Spring Boot key mistakes.
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Popular Templates

One-click load. Edit on the left, see YAML on the right.

Configuration Generators

Datasource, Kafka, Redis, Docker, Kubernetes, profiles & env-vars.

Configuration Diff

Compare two YAML or properties configs (git-style).
Config A
Config B
Diff output will appear here…

Recent & Favorites

No history yet — recent conversions are stored locally in your browser.
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