What is the Add Prefix and Suffix to Lines?
Add text before and/or after every line. Clean up, transform and analyze text in one click. All text tools run entirely in your browser, so your writing never leaves your device.
How to use the Add Prefix and Suffix to Lines
- Paste or type your your text into the box (a sample is pre-filled so you can see how it works).
- Results update automatically as you type; you can also press Calculate.
- Read the output: result.
- Use the 📊 chart to see the result visually, then copy or share it.
Tips for better results
- Use Ctrl/Cmd + A then paste to replace the sample text quickly.
- Chain tools: remove extra spaces, then change case, then count words.
- Use the Download button to save long results as a .txt file.
Frequently asked questions
What does the Add Prefix and Suffix to Lines do?
Add text before and/or after every line.
Is the Add Prefix and Suffix to Lines accurate?
Yes. It uses standard formulas and exact constants, and the results are verified by our automated test suite. Values are displayed to up to 12 significant digits.
Is this tool free and private?
Yes — the Add Prefix and Suffix to Lines is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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