Yaml Validator

🔧 Validate configuration files against 11 official schemas with automatic detection. This browser-based validator helps you catch errors before deployment with schema validation supporting Kubernetes, Docker Compose, and CI/CD pipelines.

✨ New in Version 1.1

- Schema validation across 11 platforms with auto-detection
- GitHub code folding to browse large config files
- Open in Tab mode enabling full-screen editing
- Dark mode support with system theme detection
- Error line highlighting with click-to-jump navigation

📋 Supported Schemas

Validate configurations online against official specifications:

1️⃣ Kubernetes v1.29 - k8s manifest validator supporting Deployment, Service, Pod, ConfigMap, Ingress, StatefulSet, DaemonSet, CronJob and 20+ resource types
2️⃣ Docker Compose v2.29 - container orchestration checker with full spec support
3️⃣ GitHub Actions - workflow validator enabling CI/CD automation
4️⃣ GitLab CI - pipeline checker supporting .gitlab-ci.yml configurations
5️⃣ CircleCI - build configuration validator supporting config.yml files
6️⃣ Azure Pipelines - devops workflow checker with full schema support
7️⃣ Bitbucket Pipelines - pipeline configuration validator
8️⃣ Ansible - playbook automation script checker
9️⃣ Helm Charts - Chart.yaml package management validator
🔟 OpenAPI 3.0 - REST API specification checker
⬛ Swagger 2.0 - API spec validator

🎯 Smart Error Detection

The extension automatically detects which schema applies to your content:

▸ Paste code and the matching schema is detected instantly
▸ Error line highlighting shows exact problem location
▸ Multi-document support with --- separators
▸ Schema mismatch suggestions with one-click fix

📂 GitHub Code Folding

Browsing config files on GitHub? This extension adds a folding button:

• Collapse and expand sections on any GitHub repository page
• Navigate large configuration files with ease
• Works with any .yaml or .yml file on GitHub
• Toggle folding with a single click

💡 Key Features

➤ Syntax checker providing instant feedback on your code
➤ Linter identifies structural and semantic issues early
➤ Formatter keeps code clean and readable
➤ Schema validation against official specifications
➤ Kubernetes manifest checker supporting k8s deployments
➤ Docker compose syntax validator before running containers

🚀 Built to Support DevOps Engineers

Designed to help developers, sysadmins, and DevOps professionals:

1. Kubernetes validation - check k8s manifests before kubectl apply to prevent failures
2. Docker compose verification - catch config errors before docker compose up
3. CI/CD pipeline validation - GitHub Actions, GitLab CI, CircleCI, Azure Pipelines support
4. API spec checking - OpenAPI and Swagger validation supporting REST APIs
5. Infrastructure as Code - Ansible playbook and Helm chart configuration support

📝 How to Use This Extension

- Click the extension icon in your browser toolbar
- Paste your code into the editor area
- Schema is auto-detected or select manually from dropdown
- Click Validate button to check syntax and schema compliance
- Errors are highlighted with line numbers enabling quick navigation

🌐 Browser-Based Configuration Validator Online

Check configuration files directly in your browser with no external tools:

◆ Works completely offline after installation
◆ No data transmitted to external servers
◆ Your configuration code remains fully private
◆ Dark mode theme enabling comfortable editing sessions
◆ Open in Tab provides expanded workspace when editing larger files
◆ Persistent storage saves your work between sessions

🔍 Linting and Formatting Capabilities

Comprehensive code quality features included:

▪ Detect syntax errors instantly as you type
▪ Check structure against json schema specifications
▪ Format code to improve readability and consistency
▪ Verify configuration structure before deployment
▪ Multi-document parsing supporting complex configuration bundles

⚡ Cross-Platform Configuration Checking

Supports configurations across multiple platforms and environments:

• Kubernetes manifest validation supporting cloud-native apps and microservices
• Docker compose checker enabling container orchestration
• GitHub actions validator supporting continuous integration pipelines
• Gitlab ci linter enabling automated build and deploy processes
• Circleci config checking supporting cloud-based build automation
• Ansible playbook validation enabling infrastructure automation

❓ Frequently Asked Questions

Q: Does this extension work offline?
A: Yes, after installation all validation happens locally in your browser.

Q: Is my code sent to any server?
A: No, your configuration remains completely private on your device.

Q: What Kubernetes version is supported?
A: Currently supports Kubernetes v1.29 with 23 resource types.

✅ Download this configuration file checker to validate manifests, pipelines, and specs. Supports kubernetes validation, docker compose checking, and 11 schema types with instant error detection.