Enter the URL to your appcast.xml file. We'll fetch and validate it for you.

Command Line Interface

Install the CLI for local validation and CI/CD integration

npm npm install -g sparkle-validator

Homebrew brew install dweekly/sparkle-validator/sparkle-validator

npx npx sparkle-validator https://example.com/appcast.xml

--check-urls verify links --strict mode JSON output stdin support

GitHub Action

Validate appcasts automatically in your CI/CD pipeline

- uses: dweekly/Sparkle-Validator@v1
  with:
    file: appcast.xml

strict mode check-urls option JSON output View on Marketplace

Use our XSD schema with xmllint for quick validation

xmllint --schema https://sparklevalidator.com/appcast.xsd --noout
              your-appcast.xml