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Add Prefix and Suffix to Lines

Wrap every line of a list with custom prefix and suffix text instantly and privately in your browser.

Processing... 0%
Splitting text into lines
Applying prefix and suffix
Joining processed lines
Building final output

Result

You have a plain column of values — IDs from a spreadsheet, e-mail addresses, file names, keywords — and the place you need them wants each item quoted, wrapped in tags, or turned into code. Adding the same characters to the start and end of hundreds of lines by hand is exactly the kind of repetitive editing a machine should do for you.

This tool adds any prefix and suffix to every line in one click, entirely in your browser — nothing is uploaded, so internal identifiers and customer data stay on your device. Paste the list, type what should go before and after each line (both parts are optional), and copy the result.

The options are built for real-world lists: surrounding spaces can be trimmed before wrapping so indented or copy-pasted lines come out clean, and empty lines can be skipped so blank separators are not turned into stray quoted pairs. Everything else — order, content, line count — stays exactly as you pasted it.

A finishing touch makes it a full list-to-code converter: choose to join the wrapped lines with a comma or a comma and space, and a vertical list becomes a single ready-to-paste line — 'id1','id2','id3' for a SQL IN (...) clause, "a", "b", "c" for a JSON or JavaScript array, or value1, value2 for a function call.

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Executed in Browser

Your files and inputs never leave this device. Processing runs completely offline. 100% Secure.

Accepted Formats & Rules

  • Independent optional prefix and suffix applied to every line.
  • Skip empty lines and trim surrounding spaces before wrapping.
  • One-click join of the wrapped lines with a comma or comma + space.

Key Benefits

✓ Complete privacy: the text is processed entirely in your browser and never leaves your device.
✓ Turns plain lists into code in seconds: quoted values, SQL IN clauses, array items, or Markdown bullets without manual editing.
✓ Safe on messy input: empty lines can be left untouched and surrounding spaces trimmed before wrapping.

Use Cases

  • • Need to turn a column of IDs from a spreadsheet into a SQL IN (...) clause with each value quoted and comma-separated?
  • • Want to wrap every line of a keyword list in quotes to build a JSON or JavaScript array literal?
  • • Have to add the same Markdown bullet, HTML tag, or path fragment to the start of every line in a long list?