DataFormattools
CSV · Converter

CSV to YAML Converter

Convert CSV tables to YAML lists online. Transform spreadsheet data into clean, indented YAML sequences of key-value mappings.

Interactive Editor
CSV Input
0 lines · 0 B
1
Auto-executes on edit
YAML Output
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1
100% In-Browser Privacy: All conversions, formatting, and validations run purely on your machine using client-side JavaScript. Your data, code snippets, and environment variables are never transmitted to any server or recorded in logs.
Specifications

How CSV → YAML Works

  • Parses CSV rows into structured object records.
  • Serializes objects into clean YAML sequence format.
  • Preserves numeric and boolean types.
Demonstration

Example Input & Output

Transforms each CSV row into an indented YAML mapping inside a top-level sequence list.

CSV Input
server,host,port,ssl
api-prod,10.0.1.5,443,true
api-dev,127.0.0.1,8080,false
YAML Output
- server: api-prod
  host: 10.0.1.5
  port: 443
  ssl: true
- server: api-dev
  host: 127.0.0.1
  port: 8080
  ssl: false
Applications

Common Use Cases

Ansible Inventory Creation

Convert server spreadsheets into Ansible host inventory YAML files.

Kubernetes Config Generation

Convert spreadsheet lists into YAML configurations.

Guidelines

Key Specifications & Gotchas

Empty Cells

Empty CSV cells are mapped to null or empty strings in YAML.

Questions

Frequently Asked Questions

How does CSV to YAML handle headers?

Header values become the YAML key names for each item in the sequence.

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