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入力

自動処理

Input List

入力フォーマット

出力フォーマット

Trim whitespace from each item

Remove empty items

Remove duplicate items

Sort items alphabetically

出力

クライアント側

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ガイド

リストコンバーター

The List Converter tool lets you instantly convert lists between different formats. Whether you have a newline-separated list that needs to become a comma-separated string, a JSON array, an HTML list, or an SQL IN clause, this tool handles the conversion with a single click. It also offers options to trim whitespace, remove empty items, deduplicate entries, and sort alphabetically.

使用方法

1. Paste or type your list into the input area. 2. Select the format your input is currently in (e.g., newline-separated, comma-separated). 3. Choose the desired output format from the dropdown. 4. Toggle optional processing: trim whitespace, remove empty items, remove duplicates, or sort alphabetically. 5. The converted list appears instantly in the output area. 6. Copy or download the result.

機能

12 Output Formats \u2013 Convert to newline, comma, semicolon, tab, pipe, space, JSON array, HTML ordered/unordered lists, Markdown list, numbered list, and SQL IN clause.
6 Input Formats \u2013 Parse lists separated by newlines, commas, semicolons, tabs, pipes, or spaces.
トリム・ワイトスペース \u2013 Automatically strip leading and trailing whitespace from each item.
Remove Empties \u2013 Filter out blank or empty entries from the list.
Deduplicate \u2013 Remove duplicate items to keep only unique values.
アルファベット順に並べ替え \u2013 Optionally sort the list items in alphabetical order.
即時変換 \u2013 Results update in real time as you type or change settings.

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 よくある質問

What is a delimiter in data formatting?

A delimiter is a character or sequence of characters used to separate individual items in a data stream or file. Common delimiters include commas (CSV), tabs (TSV), semicolons, pipes, and newlines. The choice of delimiter depends on the data content and the system consuming it.
What is a JSON array and when is it used?

A JSON array is an ordered collection of values enclosed in square brackets and separated by commas. It is a fundamental data structure in JavaScript Object Notation (JSON) and is widely used in web APIs, configuration files, and data interchange between systems.
What is an SQL IN clause?

An SQL IN clause is used in database queries to filter results where a column value matches any value in a specified list. For example, SELECT * FROM users WHERE id IN (1, 2, 3) retrieves rows where the id is 1, 2, or 3. It simplifies queries that would otherwise require multiple OR conditions.
What is data deduplication?

Data deduplication is the process of removing duplicate entries from a dataset to ensure each item appears only once. It is commonly used in data cleaning, database maintenance, and list processing to reduce redundancy and improve data quality.