Validate GitHub Actions workflow YAML — checks for workflow name, on trigger, jobs section, and correct YAML structure. Identifies formatting issues and missing fields. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Validate GraphQL schema syntax and structure. Detect missing root types, unknown type references, and common schema issues.
Validate YAML formatting, detect indentation issues, convert YAML to JSON, and minify YAML comments. Code never leaves your device — formatting and validation run locally in your browser.
Validate package.json for required fields, semver format, and dependency presence. Catch missing fields and bad semver before installs fail — free, local, no signup.
Validate IBAN structure, length, and mod-97 check digits for 80+ countries. Catch transfer typos before money moves — local ibantools work, free, no signup.
Validates Aadhaar numbers using Verhoeff checksum verification. Checks format rules, detects fake UIDs, and explains Aadhaar number structure. Fully local validation with no data upload.
Valid YAML syntax, required top-level keys (name, on, jobs), correct trigger format, job structure (runs-on, steps), and common mistakes like indentation errors.
The validator focuses on YAML structure and required fields. It does not verify action version pinning or action marketplace availability.
No. It identifies issues with line numbers and descriptions. You must manually edit the YAML to fix the reported problems.
The validator checks standard workflow syntax. Reusable workflows (workflow_call) are validated for correct structure.
No. All validation happens locally in your browser. No YAML data is sent to any server.
Kubernetes YAML Validator
Validate Kubernetes manifests — apiVersion/kind, required metadata, probe and resource sanity. Catch CrashLoop configs before apply — local validation, free, no signup.
.gitignore Generator
Generate .gitignore files by selecting languages, frameworks, and tools from a checklist — covers Node, Python, Java, Go, Rust, macOS, Windows, Linux, and popular IDEs. Supports negation patterns and custom rules.