Online CSV to YAML Converter

Need Custom Conversion?
Choose input options(Optional)

What is CSV?

CSV stands for "Comma-Separated Values." It is a plain text file format used to store and exchange tabular data. In a CSV file, each line represents a row of data, and the values within each row are separated by commas. This format is commonly employed for its simplicity and ease of use in storing structured information, such as spreadsheet data or database exports. CSV files are platform-independent and can be opened and edited with various software applications, making them a popular choice for data interchange between different systems and programs. CSV files commonly use the ".csv" file extension. The MIME type for CSV is "text/csv."

CSV Example:

Name, Age, Occupation
John Doe, 30, Engineer
Jane Smith, 25, Teacher
Bob Johnson, 35, Doctor

Advantages of Using CSV:

Human-Readable: CSV files are easy to read and understand, making them accessible to both technical and non-technical users.
Platform-Independent: CSV files can be used on various platforms, ensuring compatibility across different operating systems.
Simple Structure: The straightforward structure of CSV files simplifies data storage and retrieval processes.
Wide Application: CSV is widely used for tasks such as data import/export, data migration, and sharing structured information.

Read More:

Explore more about CSV on Wikipedia.

What is YAML?

YAML stands for "YAML Ain't Markup Language" or sometimes "Yet Another Markup Language." It is a human-readable data serialization format. YAML is often used for configuration files and data exchange between languages with different data structures. It uses indentation to represent the structure of data and does not rely on tags or braces. YAML files typically have the ".yaml" or ".yml" file extension. The MIME type for YAML is not officially registered, but it is commonly recognized as "application/x-yaml."

YAML Example:

  name: John Doe
  age: 30
  occupation: Engineer
    phone: "+123 456 7890"
    address: xyz 123 abc
    city: Anytown
    country: XYZ

Advantages of Using YAML:

Human-Readable: YAML is designed to be easy for humans to read and write, with a clean and simple syntax.
No Complex Symbols: YAML uses indentation instead of complex symbols like braces or brackets, making it more straightforward.
Data Serialization: YAML is suitable for serializing complex data structures in a readable and concise format.
Language Agnostic: YAML is independent of programming languages, making it versatile for configuration files and data exchange.

Read More:

Explore more about YAML on Wikipedia.

How to Convert CSV to YAML?

  • Step 1: Enter Text or Upload File - Begin by providing your data in CSV format. You can either manually input the information or upload a CSV file containing the data you want to convert to YAML. Ensure that the CSV file follows the required structure for accurate conversion.
  • Step 2: Click the 'Convert' Button - Once your CSV data is ready, click the 'Convert' button. This activates the system to transform your CSV information into a YAML format, creating a structured and human-readable representation of the data.
  • Step 3: Copy Result or Download YAML File - After the conversion is complete, you have options. Copy the resulting YAML code for immediate use, or click 'Download' to save the YAML file on your device. This allows you to conveniently access and share the converted data in YAML format whenever needed.

Converted YAML Output:

- UID: f8e0bd14-57a3-4a8c-89a0-34794eb971f7
  Full Name: Aimee
  Email Home:
  Address Billing: 698 Rohan Pine
  Phone Car: 262-665-9227 x945
  Title: Mechanical Engineer
  Organization: Hegmann - Lueilwitz
  Birthday: 20100928
  Email Additional: 
  Phone Video: 

- UID: b089c817-3ef4-4d21-84f5-1b8c17ef65b4
  Full Name: Laverne
  Email Home: 
  Address Billing: 417 Lillian Locks
  Phone Car: 
  Title: Software Engineer
  Organization: Conn - Leuschke
  Birthday: 19950429
  Email Additional:
  Phone Video: 520-581-7516 x007


1. What does "First row is column names" mean?

This option allows you to specify whether the first row of your CSV file contains the column names or headers. Enabling this option ensures that the first row's data is treated as column names when converting to YAML.

2. What is the purpose of "Limit # of lines"?

The "Limit # of lines" option allows you to restrict the number of lines or rows that will be included in the YAML conversion. This can be useful when you want to work with a subset of your CSV data rather than the entire file.

3. How does "Skip # of Lines" work?

The "Skip # of Lines" option lets you skip a specified number of lines at the beginning of the CSV file before converting it to YAML. This is handy when your CSV file includes metadata or header information that you want to exclude from the conversion.

4. What is the purpose of "Field Separator"?

The "Field Separator" allows you to specify the character or symbol that separates individual fields or columns in your CSV file. Common separators include commas (,), semicolons (;), spaces, tabs, bars (|), and hyphens (-). Choosing the correct separator ensures accurate conversion.

5. How do I use the "Other" input field for separators?

If your CSV file uses a custom or less common separator not listed in the predefined options, you can enter it in the "Other" input field. This ensures that the conversion tool recognizes the correct separator and processes your data accurately.

6. Can I change these options after starting the conversion?

Typically, you can modify these options before initiating the conversion process. However, it's important to review your settings carefully before converting to YAML, as changes made after starting the process may affect the results.

7. What happens if I don't enable "First row is column names"?

If you choose not to enable "First row is column names," the conversion tool will treat the first row of your CSV file as data rather than column headers. This can result in YAML documents without meaningful keys, so it's generally recommended to enable this option if your CSV file contains headers.

8. Is there a recommended value for "Limit # of lines" and "Skip # of Lines"?

The recommended values for these options depend on your specific needs and the structure of your CSV data. "Limit # of lines" should be set to the number of rows you want to include in the YAML conversion, while "Skip # of Lines" should be set to the number of rows you want to skip.

9. How do I get the YAML output?

Once the conversion settings are configured, users can initiate the conversion process by clicking the 'Convert' button. The resulting YAML data is displayed in a textarea, providing users with two options:

  • Copy: Users can copy the generated YAML data for use elsewhere.
  • Download: Users can download the YAML file, with the option to specify a custom file name if desired.

This flexibility ensures that users can choose the most suitable method for accessing their converted data.

10. Is there an example CSV and a way to reset the input/output data?

ConversionTab offers additional features to improve the user experience:

  • Example CSV: Users can access a sample CSV by clicking the 'Example' button, which fills the text area with sample data, facilitating the understanding of the conversion process.
  • Reset Functionality: To clear input and output data, users can utilize the 'Clear' button, ensuring a clean slate for new conversions or adjustments.