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Free Online Add Prefix and Suffix

Add a prefix and suffix to each line, including blank lines.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use Add Prefix and Suffix
Add a prefix and suffix to each line, including blank lines.
  1. Set Text.
  2. Set Prefix.
  3. Set Suffix.
  4. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Add a prefix and suffix to each line, including blank lines. The example below demonstrates Text; Prefix; Suffix.
Example input:
{
  "text": "a\nb",
  "prefix": "[",
  "suffix": "]"
}
Expected result (relevant fields):
"[a]\n[b]"
Features & result limitations
Add a prefix and suffix to each line, including blank lines.
Frequently asked questions
What inputs does Add Prefix and Suffix accept?
Text; Prefix; Suffix
How should I interpret the Add Prefix and Suffix result?
Add a prefix and suffix to each line, including blank lines.
Where does Add Prefix and Suffix process my data?
Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.