How can I convert a list of IDs into an SQL IN clause format?

Select "Join Lines", choose delimiter as ", " (comma and space), and set Quote Wrapping to Single Quotes ('item').

Can I split by spaces or tabs?

Yes, select "Split Text" and choose Space or Whitespace as the delimiter.

What does the Join / Split Lines & Text give me?

It works out Item Count, updating live as you change the inputs.

What do I need to enter?

Just Delimiter, Custom Separator and Quote Wrapping. Every field has a sensible default you can start from.

Is my data uploaded anywhere?

No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.

Join / Split Lines & Text

Join lines into a single string with delimiters or split text into lines.

100% free
Private in browser
No signup
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Input Lines

Delimiter

Quote Wrapping

Item Count

Joined Output

apple, banana, orange, grape, watermelon

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About Join / Split Lines & Text

Join / Split Lines on TheToolss gives you an instant way to convert multi-line lists into comma-separated strings (CSVs, SQL IN clauses, arrays) or break a delimited string into distinct lines. Features include quote wrapping, custom prefixes/suffixes, and automatic whitespace trimming.

How to use Join / Split Lines & Text

Choose your operation: Join Lines (Lines → String) or Split Text (String → Lines).
Enter or paste your text.
Select a standard delimiter (comma, pipe, semicolon, space) or enter a custom separator.
Optionally wrap items in quotes (single, double, backticks).
Copy or download the transformed output.

Key features

Join multi-line lists into comma, semicolon, pipe, or custom separated strings
Wrap joined items in single quotes, double quotes, or brackets (great for SQL & JSON arrays)
Split strings by any delimiter or regex into clean lines
Option to trim and strip empty values
Live item count preview

Frequently asked questions

How can I convert a list of IDs into an SQL IN clause format?: Select "Join Lines", choose delimiter as ", " (comma and space), and set Quote Wrapping to Single Quotes ('item').
Can I split by spaces or tabs?: Yes, select "Split Text" and choose Space or Whitespace as the delimiter.
What does the Join / Split Lines & Text give me?: It works out Item Count, updating live as you change the inputs.
What do I need to enter?: Just Delimiter, Custom Separator and Quote Wrapping. Every field has a sensible default you can start from.
Is my data uploaded anywhere?: No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.