Add a Prefix to Words

Quickly add a prefix to every word in your text with this live, browser-based tool. Choose your prefix, trim words if needed, and skip empty lines. Supports file import, copy, and export features perfect for formatting lists, code, or content strings.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total words: 0
Options
Ignore empty lines
Trim words before prefix
Prefix to add:

How to Use:

  1. Paste your input text or import a file.
  2. Set your desired prefix (e.g., pre_).
  3. Enable or disable options like trimming and ignoring empty lines.
  4. View the updated result instantly.
  5. Use “Copy Output” or “Export to File” as needed.

What Add a Prefix to Words Tool can do:

  • Add a prefix to each word across all lines.
  • Trim each word before adding the prefix.
  • Ignore empty lines to keep output clean.
  • Automatically updates the output as you type.
  • Includes file import, copy, export, and total word counter.

Example:

Input:

apple banana
mango cherry

Prefix: pre_Trim words: OnIgnore empty lines: On

Output:

pre_apple pre_banana
pre_mango pre_cherry

Common Use Cases:

Perfect for tagging, formatting, labeling datasets, building class names, prepending code or identifiers, and generating unique keys for every word in structured text. Works great in content pipelines or manual text editing workflows.

Useful Tools & Suggestions:

Once you’ve added prefixes, Highlight Words in Text can help you double-check how they look in context especially if you’re applying them for emphasis or tagging. And if you’re planning to visualize the new terms, Create a Word Matrix lays them out in a way that’s easy to scan and compare.

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