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Client-side ProcessingUpdated 2026-02-11Report issue

Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.

List to Comma Separated

Convert a line-separated list to comma-separated values.

FreeRuns in browserlist to commalist to csv
0 items
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result

About List to Comma Separated

Convert a line-separated list to comma-separated values. Convert line-separated list to comma-separated values online for free. Join list items with commas, semicolons, pipes, or as quoted strings instantly. No signup needed. Provides a suite of list operations including sorting, deduplication, filtering, and reformatting. Handles various delimiters and can process lists with thousands of items efficiently. This tool specializes in converting from List to Comma Separated, providing optimized defaults and precision for this specific direction. Looking for the reverse conversion? Try our Comma Separated to List converter. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.

Related tools: Comma Separated to List, List Sorter, Remove Duplicates from List

How to Use List to Comma Separated

  1. Paste a list of items into the input field.
  2. Choose the operation you want to perform.
  3. View and copy the processed list.

Frequently Asked Questions

What is List to Comma Separated?
Convert line-separated list to comma-separated values online for free. Join list items with commas, semicolons, pipes, or as quoted strings instantly. No signup needed.
How are duplicate items handled?
The tool can detect and remove duplicate items, or highlight them for your review. Duplicate detection uses exact string matching by default, and some tools offer case-insensitive or trimmed comparison options.
Can I process very large lists?
Yes, since all processing happens in your browser there are no server-side limits. The tool handles lists with thousands of items efficiently, though extremely large lists may take a moment to process.
What delimiters are supported?
The tool supports newline-separated lists by default, and many list tools also accept comma, semicolon, tab, or custom delimiters. Check the tool's options to configure the delimiter that matches your data.
Is List to Comma Separated free to use?
Yes, all list operations are free and unlimited. No signup or account is required, and processing happens entirely in your browser.
Is my data safe when using List to Comma Separated?
Yes, your list data is processed entirely in your browser. Nothing is sent to any server, so your information stays private.