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List item adder

World's simplest list tool

This is a super simple browser-based application that appends items to a list. You can add any number of items to the beginning or end of a list. The application works with all list formats (comma-separated lists, semicolon-separated lists, column lists, to-do lists, etc.) Also, you can load arbitrary lists with any separators between the items and adjust the separator using two modes. Additionally, you can set an arbitrary new separator for the output list. Created by list geeks from team Browserling.
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Item Separation
Enter the character that is used in the list as a separator.
Enter the regex that matches the separator in the list.
Enter a character or regular expression here.
Appending Side
Add items to the start of a list.
Add items to the end of a list.
Items to add to the list. (Enter one per line.)
Item Joining
Enter the character that will be used as a separator for items in the output list.
List item adder tool What is a list item adder?
This online utility adds new items to your given list. For example, if you have a list of ingredients for a cake recipe and you suddenly remember that you forgot to add a decorating ingredient there, then with this program, you can easily add this ingredient to the end or beginning of the list. Once you load your list into the input, you just need to specify which separator character is used between the items. If it's a comma, you have to enter a comma "," in the item separator option; if it's a semicolon, you have to enter a semicolon ";" in the item separator option; if the list is vertical (column list), you have to enter a newline symbol "\n" in the item separator option. If there are several different separators in the list, you can match them all using a smart regular expression by choosing the regex separator mode. The next step is to choose which end of the list to append items to. It can either be the start of the list or the tail of the list. Then, just specify the new items. It can actually be just one item or a bunch of items. If you want to add multiple items, specify them in the new-items option as a vertical list. Also, in the third options block, you can change the item separator for the new extended list. Listabulous!
List item adder examples Click to use
Append Dishes to a Menu
In this example, we have compiled a list of salads on the menu. As soon as we finished compiling the list, we remembered three more dishes we had missed. To quickly add them to the menu, we entered these salads in the append-items option and selected the end-of-list appending mode. We used a newline character on the input and output list as a separator for the items.
Coleslaw Caesar Salad Greek Salad Caprese Salad Macaroni Salad Som tam Kisir
Coleslaw Caesar Salad Greek Salad Caprese Salad Macaroni Salad Som tam Kisir Tabbouleh Olivier Salad Fattoush
Required options
These options will be used automatically if you select this example.
Enter the character that is used in the list as a separator.
Enter a character or regular expression here.
Add items to the end of a list.
Items to add to the list. (Enter one per line.)
Enter the character that will be used as a separator for items in the output list.
Add the Missing Heroes to a List
In this example, we load a list of cartoon characters from the SpongeBob TV series and notice that the most important characters are missing. To fix the problem, we separate the input list items by the regular expression "/[,;]\s*/", since there is either a comma or a semicolon between the items. Then we switch to the "Append at the Beginning" mode and append the heroes "SpongeBob" and "Patrick" to the list. In the output list that contains all cartoon characters, we use the " & " separator.
Squidward, Pearl, Plankton; Karen, Sandy, Mr. Krabs; Gary, Mrs. Puff
SpongeBob & Patrick & Squidward & Pearl & Plankton & Karen & Sandy & Mr. Krabs & Gary & Mrs. Puff
Required options
These options will be used automatically if you select this example.
Enter the regex that matches the separator in the list.
Enter a character or regular expression here.
Add items to the start of a list.
Items to add to the list. (Enter one per line.)
Enter the character that will be used as a separator for items in the output list.
Append Items to a Todo List
In this example, we created a todo list for Monday. After reviewing it, we found that several tasks for the evening were missing. We entered the missing tasks in the new-items option and they were automatically appended to the end of the list.
‣ Wake up (7am) ‣ Wash (7:10am) ‣ Breakfast (8am) ‣ Drive to work (8:30am) ‣ Early meeting (9:00am) ‣ Review agreements (10:00am) ‣ Lunch (1:00pm) ‣ Continue reviewing agreements (1:30pm) ‣ Follow up with customers (3pm)
‣ Wake up (7am) ‣ Wash (7:10am) ‣ Breakfast (8am) ‣ Drive to work (8:30am) ‣ Early meeting (9:00am) ‣ Review agreements (10:00am) ‣ Lunch (1:00pm) ‣ Continue reviewing agreements (1:30pm) ‣ Follow up with customers (3pm) ‣ Drive home (5pm) ‣ Dinner (6pm) ‣ Evening shopping (7pm) ‣ Go to sleep (10pm)
Required options
These options will be used automatically if you select this example.
Enter the regex that matches the separator in the list.
Enter a character or regular expression here.
Add items to the end of a list.
Items to add to the list. (Enter one per line.)
Enter the character that will be used as a separator for items in the output list.
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://onlinelisttools.com/append-list-items?input=Coleslaw%0ACaesar%20Salad%0AGreek%20Salad%0ACaprese%20Salad%0AMacaroni%20Salad%0ASom%20tam%0AKisir&string-separator=true&input-separator=%5Cn&join-character=%5Cn&right-append=true&new-items=Tabbouleh%0AOlivier%20Salad%0AFattoush
All list tools
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Quickly print all distinct items of a list.
Quickly print all repeating items of a list.
Quickly count the number of items in a list.
Quickly display list items in multiple colors.
Quickly generate a list of arbitrary length with arbitrary items.
Quickly generate a random length list with random items.
Quickly find certain items in a list.
Quickly replace certain items in a list with new items.
Quickly remove items from a list that match a pattern.
Quickly print all list items in reverse order.
Quickly sort list items alphabetically or numerically.
Quickly shuffle list items and make it random.
Quickly randomly pick one or more items from a list.
Quickly create a downloadable image from a list.
Quickly set a new delimiter for items in a list.
Quickly remove the symbol that separates list items.
Quickly change list item delimiters to the same symbol.
Quickly remove items from the beginning or end of a list.
Quickly join all items of a list together.
Quickly create groups of multiple list items.
Quickly extract a part of a list.
Quickly remove all empty items from a list.
Quickly remove whitespace characters around list items.
Quickly create multiple copies of a list.
Quickly rotate list items to the left or right (or up and down).
Quickly enumerate list items and add a counter to them.
Quickly add bullet markers to all items in a list.
Quickly remove all bullet markers from list items.
Quickly wrap all list items in quotes.
Quickly remove all quotation marks from around list items.
Quickly add text on the left and right sides of all list items.
Quickly remove text from the left and right sides of all list items.
Quickly prepend a prefix before each list item.
Quickly delete any prefix from the beginning of all list items.
Quickly append a suffix after each list item.
Quickly delete any suffix from the end of all list items.
Quickly add or remove list items to make it a certain length.
Quickly create multiple columns from a single list.
Quickly create a palindromic list from the given list.
Quickly add new items at the beginning or end of a list.
Quickly left-pad a list with one or more items.
Quickly right-pad a list with one or more items.
Quickly remove items that repeat in a list.
Quickly apply a filter on all list items (extract certain items).
Quickly analyze a list and print its item statistics.
Coming soon These list tools are on the way
Edit a List
View and edit lists in a neat browser-based list editor.
Split a List
Split list items into chunks.
Generate the Powerlist
Create the powerlist of the given list.
Find the Car of a List
Extract the first item from a list.
Find the Cdr of a List
Extract all items except the first of a list.
Apply a Function on a List
Run a JavaScript function on every list item.
Find Certain List Items
Quickly find and print items that interest you in a list.
Find Repeating List Items
Quickly find and print items that repeat in a list.
Delete Unique List Items
Quickly find and remove items that are unique in a list.
Extract a Sublist from a List
Given start and stop indexes, extract a sublist from a list.
Shift List Items
Shift list items to the left or right (or up and down).
Indent List Items
Add indentation to all list items.
Mirror a List
Quickly create a mirror copy of a list.
Invert a List
Invert the order of items in a list (last becomes first, etc).
Reduce a List
Run the reduce function on a list.
Convert a List to Rows
Create multiple rows from a single list.
Convert a List to Excel
Create an Excel file from a list.
Convert a List to PDF
Create a PDF file from a list.
Convert a Text List to a LaTeX List
Create a LaTeX list from a regular text list.
Convert a Text List to a HTML List
Create a HTML list from a regular text list.
Convert a Text List to a Markdown List
Create a Markdown list from a regular text list.
Compare Two Lists
Find the difference between two lists.
Compare Three Lists
Find the difference between three lists.
Remove One List from Another
Remove elements from a list that appear in the other list.
Zip Two Lists
Join two lists together item by item.
Merge Two Lists
Append a second list at the end of the first list.
Pair List Items
Create pairs from all list items.
Pop List Items
Remove list items at certain index positions.
Push List Items
Add new items at the end of a list.
Splice a List
Modify a list in-place by adding, replacing, or removing items.
Flatten a List
Remove all indentation levels from a list and make it flat.
Make List Items Title Case
Quickly change the letter case of all items to title case.
Make List Items Proper Case
Quickly change the letter case of all items to proper case.
Make List Items Random Case
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.
Remove List Item Counter
Quickly remove any numeration from a list of items.
Create the Empty List
Generate a list with no items.
Visualize a List
Quickly create a graphical representation of a list.
Create a List Cloud
Create an image with a cloud of list items.
Create a Spiral List
Create an image with list items going in a spiral.
Base64-encode a List
Convert any list to base64 encoding.
Base64-decode a List
Convert any list from base64 encoding back to a list.
Let Zalgo Destroy a List
Let Zalgo loose on a list and create list-chaos.