Wrap text lines with a repeated prefix, suffix or both, while retaining their current order. Follow the exact input and settings below to reproduce this example. Open Add Prefix to Text Lines.
Prepare the source text
Open Add Prefix to Text Lines and choose Write or paste text, or upload a supported UTF-8 text file. The upload opens the editor; it does not run the tool. This example uses the exact source shown in the comparison.
Maximum input and result: 1 MB of UTF-8 text, with a 1,048,576-character input ceiling. Expanding transformations must also fit the result limit.
Use the exact example input
apple banana
This text operation runs in your browser; its source and result are not sent for conversion. A draft may be kept in this browser tab when session storage is available. Clear removes the current draft; download important work before closing the tab.
Choose the settings
For the recorded example, use these settings: Prefix: [; Suffix: ].
Use these fields for bullet characters, quotation marks, labels or a repeated closing delimiter. Either field may be empty. The tool uses the same exact strings on every line and does not interpret them as markup, code or a pattern. Original spaces inside each line are retained.
The example in this guide
Verified in the i2TEXT browser workflow on November 11, 2026.
- Input
- example.txt
- Output
- add-prefix-to-text-lines.txt
- Saved result
- 16 bytes
Apply and inspect the result
Select Add Prefix to Text Lines when the input and settings are ready. In the saved example, the result begins: "[apple]".
Empty lines receive the prefix and suffix as well. This does not validate the resulting text as a programming language or data format.
Save the version you reviewed
Review the current result, then use Download text to save a TXT file. The actual download in this example is named add-prefix-to-text-lines.txt. Copy and download use the current result, so make any final wording changes before saving. Continue to can carry the result into a compatible next tool, where you review it before running another operation.
example.txtadd-prefix-to-text-lines.txt
Common questions
Which settings produced this example?
Prefix: [; Suffix: ].
What should I check before using the result?
Empty lines receive the prefix and suffix as well. This does not validate the resulting text as a programming language or data format.
Where is this text processed?
This text operation runs in your browser; its source and result are not sent for conversion. A draft may be kept in this browser tab when session storage is available. Clear removes the current draft; download important work before closing the tab.
Try Add Prefix to Text Lines with your own text.
Use your own source and review the result before sharing.
