Delimiter Converter Online — Convert Comma, Newline & SQL IN Arrays
Transform delimiters between comma-separated values (CSV), line-by-line newlines, SQL IN clauses, and JSON arrays in seconds.
Runs in your browser. Your files never leave your device. See how to check
…
How to do it
- 1Step 1: Open Delimiter Converter (Comma, Newline, SQL IN & JSON) and add your input
Type your numbers or text, add your file, or pick the options you need. Nothing is uploaded: everything stays in your browser.
- 2Step 2: What Delimiter Converter (Comma, Newline, SQL IN & JSON) does
Convert lists between comma-separated, newlines, semicolons, pipe delimited, SQL IN ('a', 'b'), and JSON arrays.
- 3Step 3: Read the result and compare
The result appears at once. Change one value to see how the answer moves, then keep the figure that fits your case.
- 4Step 4: Copy or save it
Copy the result or download it. For an important decision, confirm it with the official source or an adviser.
About this tool
A must-have utility for data analysts, software developers, and spreadsheet users. Quickly convert horizontal comma-separated items into vertical newlines for Excel, transform list items into SQL database query clauses (`IN ('val1', 'val2')`), or generate formatted JSON arrays without manual typing.
Tips for best results
Take a moment to read the options before you start, and try the tool with a small sample first. Everything runs in your browser on your own device, so nothing you type or add is uploaded, and closing the tab clears it. If something does not look right, reload the page and try again, or use the report link on this page to tell us what went wrong so we can fix it. If a result still looks wrong, change one value at a time to see which box matters most. Bookmark this page if you will need the tool again.
Quick facts
- Category: Documents
- Works in your browser, no sign-up, no upload.
- Your input stays on your device.
- Available in many languages.
- Content last reviewed:
Frequently asked questions
How do I convert a column of Excel cells into a comma-separated list?
Copy your Excel column, paste it into the tool, set 'Split Input By' to Newline, and set 'Join Output With' to Comma.
Can this generate SQL IN clauses for database queries?
Yes. Select 'SQL IN Clause' as the output format to automatically wrap each item in single quotes and parentheses (`IN ('a', 'b')`).
Can I convert text into a JSON array?
Yes. Select 'JSON Array' to format your items into a clean, valid JSON array string ready for API payloads.
Does it automatically trim extra spaces around items?
Yes. It automatically strips leading and trailing whitespace from every token for clean, uniform outputs.