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list item counter

world's simplest list tool

This is a super simple browser-based application that adds numbering to items in a list. You can switch between integer, symbolic, and Roman numbering systems, choose the numbering format (for example, a counter with a bracket or with a dot), or create a custom counter format. You can also reverse the numbering, skip empty items, and start counting from zero. Created by list geeks from team Browserling.

᠎᠎᠎          Tool Options

Item Delimiting Options

Delimit input list items by
any character.
Delimit input list items by
any regular expression.
Delimiting character or regexp.
Output list separator goes here:
Join output list items with
this character.

Numbering System Format

Select the numerical system to
use for the list item counter.
Select the counter format.
Set up a custom counter format.
Value "%n" means current item
position. Works when the custom
mode is selected above.

Additional Numbering Options

If the item does not contain
any characters, skip it.
Count items in reverse order.
Start the counter from "0".

What is a list item counter?

This online program enumerates all list items and adds a counter before each item. For example, if you have a list of letters "a, b, c", you'll get a numbered list with each letter's ordinal position appended before it "1. a, 2. b, 3. c". Before adding the numbering, you need to properly separate the list items. Since a list can be of any format, you can delimit its items by a character or a regex delimiter. Select the mode you need in the first block of options and specify a character or regular expression in the textbox. Here you can also specify a separator character for the output numbered list. We have added a bunch of options that let you customize the numbering. First of all, you can choose which numerical system to use for the item numbers. They can be regular integers (i.e. "1, 2, 3, …"), lowercase alphabetic letters (i.e. "a , b, c, … "), uppercase alphabetic letters (i.e. "A, B, C, …"), lowercase Roman numerals (i.e."i, ii, iii, … "), or uppercase Roman numerals (i.e."I, II, III, … "). Additionally, you can choose the numbering format. For example, it can be a counter with a parenthesis (i.e. "1) 2) 3)"), with a square bracket (i.e. "1] 2] 3]"), or with a period (i.e. "1. 2. 3."). If you want to specify a custom numbering format, select the "custom" mode, and specify the numbering pattern using the special notation "%n" for the counter. For example, the pattern "%n: " will generate numbering with the counter followed by a colon, such as: "1: …, 2: …, 3: …", and the pattern "{%n} " will generate numbering with the counter wrapped in curly braces, such as: "{1} …, {2} …, {3} …". The program also has several quick and useful options for skipping counting the empty items, reversing numbering so that the item counter goes from the largest value to the smallest, and starting counting from zero, which is useful for programmers. Listabulous!


List item counter examples

Click to try

Enumerate Bengali Numbers

In this example, we decided to learn the Bengali numeral system. To make it easier and to avoid getting confused about the meaning of Bengali numbers, we added regular Arabic/English numbers before each Bengali number. The counter has a parenthesis after each number and starts from zero, and it uses the semicolon character separator in the input and output lists.

০; ১; ২; ৩; ৪; ৫; ৬; ৭; ৮; ৯; ১০; ১১; ১২; ১৩; ১৪; ১৫; ১৬; ১৭; ১৮; ১৯; ২০; ২১; ২২; ২৩; ২৪; ২৫; ২৬; ২৭; ২৮; ২৯; ৩০; ৩১; ৩২; ৩৩; ৩৪; ৩৫; ৩৬; ৩৭; ৩৮; ৩৯; ৪০; ৪১; ৪২; ৪৩; ৪৪; ৪৫; ৪৬; ৪৭; ৪৮; ৪৯; ৫০
0) ০; 1) ১; 2) ২; 3) ৩; 4) ৪; 5) ৫; 6) ৬; 7) ৭; 8) ৮; 9) ৯; 10) ১০; 11) ১১; 12) ১২; 13) ১৩; 14) ১৪; 15) ১৫; 16) ১৬; 17) ১৭; 18) ১৮; 19) ১৯; 20) ২০; 21) ২১; 22) ২২; 23) ২৩; 24) ২৪; 25) ২৫; 26) ২৬; 27) ২৭; 28) ২৮; 29) ২৯; 30) ৩০; 31) ৩১; 32) ৩২; 33) ৩৩; 34) ৩৪; 35) ৩৫; 36) ৩৬; 37) ৩৭; 38) ৩৮; 39) ৩৯; 40) ৪০; 41) ৪১; 42) ৪২; 43) ৪৩; 44) ৪৪; 45) ৪৫; 46) ৪৬; 47) ৪৭; 48) ৪৮; 49) ৪৯; 50) ৫০
Required options
These options will be used automatically if you select this example.
Delimit input list items by
any character.
Delimiting character or regexp.
Join output list items with
this character.
Select the numerical system to
use for the list item counter.
Select the counter format.
If the item does not contain
any characters, skip it.
Count items in reverse order.
Start the counter from "0".

Add an Alphabetic Counter to a List

In this example, we add a lowercase alphabetic numbering to a list of shades of gray. THe alphabetic numbering is also known as symbolic numbering and in this counting system 1 is "a", 2 is "b", 3 is "c", …, 26 is "z", 27 is "aa", 28 is "ab", …, 52 is "az", 53 is "ba", and so on. We split the input colors by the regular expression "/;?\s+/" via the "Split Items by a Regexp" mode. We put the alphabet in square brackets and display the list items in a column.

white; whitesmoke gainsboro; lightgray silver; darkgray gray; dimgray black
[a] white [b] whitesmoke [c] gainsboro [d] lightgray [e] silver [f] darkgray [g] gray [h] dimgray [i] black
Required options
These options will be used automatically if you select this example.
Delimit input list items by
any regular expression.
Delimiting character or regexp.
Join output list items with
this character.
Select the numerical system to
use for the list item counter.
Select the counter format.
If the item does not contain
any characters, skip it.
Count items in reverse order.
Start the counter from "0".

Add a Reverse Numbering

This example adds reverse numbering to a list of people's names. We use the uppercase Roman numerals for the counter and enable a custom numbering format for them via the pattern "#%n: ", where "%n" is each Roman numeral and "#" is the hash/pound symbol.

Beck Sparks Karyn Vasquez Damon Waters Dora Watson Amelia Yates Martin Poole Velma Mathis Dora Vinson Joan Stout Jana Mueller
#X: Beck Sparks #IX: Karyn Vasquez #VIII: Damon Waters #VII: Dora Watson #VI: Amelia Yates #V: Martin Poole #IV: Velma Mathis #III: Dora Vinson #II: Joan Stout #I: Jana Mueller
Required options
These options will be used automatically if you select this example.
Delimit input list items by
any character.
Delimiting character or regexp.
Join output list items with
this character.
Select the numerical system to
use for the list item counter.
Select the counter format.
Set up a custom counter format.
Value "%n" means current item
position. Works when the custom
mode is selected above.
If the item does not contain
any characters, skip it.
Count items in reverse order.
Start the counter from "0".

Pro tips Master online list tools

You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!

https://onlinetools.com/list/add-list-item-counter?input=%E0%A7%A6%3B%20%E0%A7%A7%3B%20%E0%A7%A8%3B%20%E0%A7%A9%3B%20%E0%A7%AA%3B%20%E0%A7%AB%3B%20%E0%A7%AC%3B%20%E0%A7%AD%3B%20%E0%A7%AE%3B%20%E0%A7%AF%3B%20%E0%A7%A7%E0%A7%A6%3B%20%E0%A7%A7%E0%A7%A7%3B%20%E0%A7%A7%E0%A7%A8%3B%20%E0%A7%A7%E0%A7%A9%3B%20%E0%A7%A7%E0%A7%AA%3B%20%E0%A7%A7%E0%A7%AB%3B%20%E0%A7%A7%E0%A7%AC%3B%20%E0%A7%A7%E0%A7%AD%3B%20%E0%A7%A7%E0%A7%AE%3B%20%E0%A7%A7%E0%A7%AF%3B%20%E0%A7%A8%E0%A7%A6%3B%20%E0%A7%A8%E0%A7%A7%3B%20%E0%A7%A8%E0%A7%A8%3B%20%E0%A7%A8%E0%A7%A9%3B%20%E0%A7%A8%E0%A7%AA%3B%20%E0%A7%A8%E0%A7%AB%3B%20%E0%A7%A8%E0%A7%AC%3B%20%E0%A7%A8%E0%A7%AD%3B%20%E0%A7%A8%E0%A7%AE%3B%20%E0%A7%A8%E0%A7%AF%3B%20%E0%A7%A9%E0%A7%A6%3B%20%E0%A7%A9%E0%A7%A7%3B%20%E0%A7%A9%E0%A7%A8%3B%20%E0%A7%A9%E0%A7%A9%3B%20%E0%A7%A9%E0%A7%AA%3B%20%E0%A7%A9%E0%A7%AB%3B%20%E0%A7%A9%E0%A7%AC%3B%20%E0%A7%A9%E0%A7%AD%3B%20%E0%A7%A9%E0%A7%AE%3B%20%E0%A7%A9%E0%A7%AF%3B%20%E0%A7%AA%E0%A7%A6%3B%20%E0%A7%AA%E0%A7%A7%3B%20%E0%A7%AA%E0%A7%A8%3B%20%E0%A7%AA%E0%A7%A9%3B%20%E0%A7%AA%E0%A7%AA%3B%20%E0%A7%AA%E0%A7%AB%3B%20%E0%A7%AA%E0%A7%AC%3B%20%E0%A7%AA%E0%A7%AD%3B%20%E0%A7%AA%E0%A7%AE%3B%20%E0%A7%AA%E0%A7%AF%3B%20%E0%A7%AB%E0%A7%A6&string-separator=true&input-separator=%253B%20&join-character=%253B%20&numerical-system=numeral&numbering-format=number-with-parenthesis&skip-empty-items=false&reverse-numbering=false&start-from-zero=true

All List Tools

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Quickly print all distinct items of a list.

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Quickly generate a list of arbitrary length with arbitrary items.

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Delete List Items

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Quickly print all list items in reverse order.

Sort a List

Quickly sort list items alphabetically or numerically.

Randomize a List

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Randomly Select a List Item

Quickly randomly pick one or more items from a list.

Convert a List to an Image

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Quickly set a new delimiter for items in a list.

Delete List Item Separators

Quickly remove the symbol that separates list items.

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Quickly change list item delimiters to the same symbol.

Truncate a List

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Join List Items

Quickly join all items of a list together.

Group List Items

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Slice a List

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Delete Empty List Items

Quickly remove all empty items from a list.

Trim List Items

Quickly remove whitespace characters around list items.

Duplicate a List

Quickly create multiple copies of a list.

Rotate a List

Quickly rotate list items to the left or right (or up and down).

Add a List Item Counter

Quickly enumerate list items and add a counter to them.

Add List Item Bullets

Quickly add bullet markers to all items in a list.

Remove List Item Bullets

Quickly remove all bullet markers from list items.

Quote List Items

Quickly wrap all list items in quotes.

Unquote List Items

Quickly remove all quotation marks from around list items.

Wrap Text Around Items

Quickly add text on the left and right sides of all list items.

Unwrap Items From Text

Quickly remove text from the left and right sides of all list items.

Add a List Item Prefix

Quickly prepend a prefix before each list item.

Remove a List Item Prefix

Quickly delete any prefix from the beginning of all list items.

Add a List Item Suffix

Quickly append a suffix after each list item.

Remove a List Item Suffix

Quickly delete any suffix from the end of all list items.

Change the Length of a List

Quickly add or remove list items to make it a certain length.

Convert a List to Columns

Quickly create multiple columns from a single list.

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Quickly create a palindromic list from the given list.

Append Items to a List

Quickly add new items at the beginning or end of a list.

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Quickly left-pad a list with one or more items.

Right-pad a List

Quickly right-pad a list with one or more items.

Delete Repeating List Items

Quickly remove items that repeat in a list.

Filter a List

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Coming Soon

These list tools are on the way!
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Find Repeating List Items

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Delete Unique List Items

Quickly find and remove items that are unique in a list.

Extract a Sublist from a List

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Shift List Items

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Find the difference between three lists.

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Find items that are shared between two or more lists.

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Join two or more lists together item by item.

Unzip Two Lists

Split an interleaved list into two or more separate lists.

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Append a second list at the end of the first list.

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Remove list items at certain index positions.

Push List Items

Add new items at the end of a list.

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Modify a list in-place by adding, replacing, or removing items.

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Remove all indentation levels from a list and make it flat.

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Make List Items Italic

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Make List Items Cursive

Quickly rewrite all list items in cursive.

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Quickly change the font of all list items.

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Add a Strikethrough to List Items

Quickly add a strikethrough to all list items.

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Make List Items Proper Case

Quickly change the letter case of all items to proper case.

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Quickly randomly change the letter case of all items.

Make List Items Lowercase

Quickly change the letter case of all items to small letters.

Make List Items Uppercase

Quickly change the letter case of all items to capital letters.

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