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7/14/2026
I Built Free Browser-Based Validators for YAML, Kubernetes and Terraform (No Upload, No Signup)

I Built Free Browser-Based Validators for YAML, Kubernetes and Terraform (No Upload, No Signup)

Short summary

A developer built free, browser-based validators for YAML, Kubernetes manifests, and Terraform/HCL that run entirely client-side with no upload or signup. The tools parse configs in JavaScript within the browser tab, ensuring infrastructure definitions never leave the machine. The author frames this as the correct architecture for handling sensitive infrastructure configs and invites community input on next formats.

  • •Three client-side validators for YAML, Kubernetes, and Terraform — no upload, no signup
  • •All parsing runs in-browser via JavaScript; configs never leave the machine
  • •Underlying CLI tools and read-only API are open source on GitHub

Generated with AI, which can make mistakes.

#ai-tools#open-source
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