List Tools

Use this node to perform various list operations such as reversing, joining, and outputting items separately.

The List Tools Node allows you to perform various operations on a list of items, such as reversing, joining, and more.

This node is particularly useful in combination with Subflow Loop.

List ToolsReverse List

Input List*List

outputJSON

Node as configured in “Reverse List” mode. Fields marked * are required. Dots are connection handles.

Modes

This node reconfigures itself depending on the selected mode — each mode has its own fields.

Mode	What it does	Output
Reverse List	Reverse the order of list items	JSON
Join as Text	Join list items into a single text	Text
Separate Items	Output each item separately	JSON
Get Element	Get a specific element by index	JSON
Get First	Get the first item in a list	JSON
Get Last	Get the last item in a list	JSON
Rotate List	Rotate list by moving first N items to the end	JSON
Filter Empty	Remove empty/null items	JSON
Deduplicate	Remove duplicate items	JSON
Sort List	Sort list items	JSON
Slice List	Extract a range of items	JSON
Count Items	Count the number of items	JSON
Merge Lists	Combine two lists into one	JSON

Reverse List

Reverse the order of list items

List ToolsReverse List

Input List*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Output: JSON

Join as Text

Join list items into a single text

List ToolsJoin as Text

Input List*List

Join CharacterText

outputText

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.
Join Character	Text	Optional	Character(s) to use when joining the list items.

Output: Text

Separate Items

Output each item separately

List ToolsSeparate Items

Input List*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Output: JSON

Get Element

Get a specific element by index

List ToolsGet Element

Input List*List

Element IndexNumber

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.
Element Index	Number	Optional	Zero-based index. Negative values count from the end.

Output: JSON

Get First

Get the first item in a list

List ToolsGet First

Input List*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Output: JSON

Get Last

Get the last item in a list

List ToolsGet Last

Input List*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Output: JSON

Rotate List

Rotate list by moving first N items to the end

List ToolsRotate List

Input List*List

Rotate CountNumber

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.
Rotate Count	Number	Optional	Number of positions to rotate (positive = move items from start to end).

Output: JSON

Filter Empty

Remove empty/null items

List ToolsFilter Empty

Input List*List

Treat Whitespace As EmptyToggle

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Settings

Setting	Type	Default	Description
Treat Whitespace As Empty	Toggle	Off	Remove strings that contain only spaces, tabs, or line breaks. Non-empty strings are kept unchanged.

Output: JSON

Deduplicate

Remove duplicate items

List ToolsDeduplicate

Input List*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Output: JSON

Sort List

Sort list items

List ToolsSort List

Input List*List

Sort OrderSelect

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Settings

Setting	Type	Default	Description
Sort Order	Select	Ascending	Order to sort the list. Options: Ascending (default) · Descending.

Output: JSON

Slice List

Extract a range of items

List ToolsSlice List

Input List*List

Start IndexNumber

End IndexNumber

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.
Start Index	Number	Optional	Start index (inclusive).
End Index	Number	Optional	End index (exclusive). Leave empty for end of list.

Output: JSON

Count Items

Count the number of items

List ToolsCount Items

Input List*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List	List	Required	Provide the list of items you want to process.

Output: JSON

Merge Lists

Combine two lists into one

List ToolsMerge Lists

Input List 1*List

Input List 2*List

outputJSON

Inputs

Each input can be typed in directly or connected to another node's output.

Input	Type	Required	Description
Input List 1	List	Required	Provide the list of items you want to process.
Input List 2	List	Required	Provide the list of items you want to process.

Output: JSON

Output

Related guides

• The List Tools node