Create a Custom CSV File

Create a Custom CSV File by typing or importing rows of data and instantly converting it to valid CSV format. Includes export, trim, and header options.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total characters: 0
Options
Include headers
Trim rows
Maximize output

How to Use:

  • Enter your data row-by-row in the Input Data box. Use commas to separate fields.
  • Optionally, click Choose File to import a plain text file (.csv, .txt, etc.) as your input.
  • Toggle Include headers to add a default header row (Name,Age,City) to the top of your CSV.
  • Use Trim rows to remove extra spaces from the start and end of each line before generating.
  • Enable Maximize output to expand the preview area below.
  • The CSV Output box updates instantly as you type or toggle settings, flashing blue to indicate changes.
  • Use Copy Output to copy the result to clipboard or Export to File to download the CSV.
  • The tool displays a live character count beneath the output.
  • Click Clear All to reset all fields, toggles, and file input.

What Create a Custom CSV File can do:

Create a Custom CSV File gives you a fast way to build CSV content from scratch or imported data. Whether you’re prototyping, cleaning data, or drafting rows manually, you can fine-tune your output by trimming spaces and adding headers with a click. It’s fully live everything updates as you type and supports safe local file import and download. You don’t need a spreadsheet app or script to prep structured data anymore.

Example:

Input:

Alice,30,New York
Bob,27,London
Charlie,33,Sydney

Output with headers on:

Name,Age,City
Alice,30,New York
Bob,27,London
Charlie,33,Sydney

Output with headers off:

Alice,30,New York
Bob,27,London
Charlie,33,Sydney

Common Use Cases:

Create a Custom CSV File is ideal when you need to write or edit CSV content manually, preview the result instantly, and export it without switching tools. It’s great for building test files, preparing upload data, or formatting info to send somewhere else especially when you just want something simple and fast.

Useful Tools & Suggestions:

Once you’ve built your custom file, try Add CSV Quotes if any fields contain commas or special characters. And if you want to double-check your structure, Count CSV Columns gives quick feedback.

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