Is my data safe to convert here?

Yes. All conversion happens in your browser. No data is transmitted to any server.

What input format is expected?

A CSV with a header row is expected. Each row becomes a YAML mapping where the header values are the keys.

CSV → YAML Converter

CSV Input

YAML Output

Why use a private CSV to YAML converter?

Converting CSV to YAML for config files or Kubernetes data is a common task. This converter handles it entirely in your browser using PapaParse and js-yaml — no data is uploaded or transmitted.

How it works

PapaParse parses the CSV (auto-detecting the delimiter), maps each row to an object using the header row as keys, then js-yaml serializes the resulting array to YAML block style. Each CSV row becomes a YAML mapping entry.

Common use cases

Converting spreadsheet data to YAML for use in Ansible playbooks or Helm values
Transforming CSV config data to YAML for GitHub Actions or Docker Compose
Converting lookup tables from CSV to YAML for application config files

Frequently asked questions

Is my data safe to convert here?: Yes. All conversion happens in your browser. No data is transmitted to any server.
What input format is expected?: A CSV with a header row is expected. Each row becomes a YAML mapping where the header values are the keys.