Replace Words with Digits

Need to convert number words like “one” or “three” into actual digits? The Replace Words with Digits Tool makes it easy to map any word to a digit or number and see the result update live. It’s ideal for data cleanup, numeric formatting, or transforming user input into machine-friendly output.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .json, .html, .xml, .log, .yaml, .css
Total characters: 0
Options

How to Use:

  1. Paste or type your content into the Input Text box.
  2. (Optional) Click Choose File to import a text-based file like .txt, .csv, .json, or .html.
  3. In the Options box, define your mappings in the Word to Digit Mapping field using this format: one:1 two:2 three:3 Separate each mapping with a space and use a colon between the word and its replacement digit.
  4. The output will update live in the Modified Output box as you type or adjust mappings.
  5. Click Copy Output to copy the result or Export to File to download it.
  6. Press Clear All to reset the input, output, and mappings.

What Replace Words with Digits Tool can do:

This tool replaces exact whole words (case-insensitive) with digit values based on your custom mapping. Words not in the mapping stay untouched. It works on-the-fly, handles full paragraphs, and preserves punctuation, spacing, and formatting. Whether you’re processing form input, prepping data for NLP, or simply converting number words to digits, it gets the job done quickly and accurately.

Example:

Input:

I have one apple, two oranges, and three bananas.

Mapping:

one:1 two:2 three:3

Output:

I have 1 apple, 2 oranges, and 3 bananas.

Total characters:

44

Common Use Cases:

Perfect for converting number words into numeric digits in surveys, forms, scripts, and datasets. Writers and teachers use it to prepare practice content. Developers use it in preprocessing and validation pipelines. It’s flexible enough to handle alternate formats like zero: 0 or twenty: 20 too just add what you need and go.

Useful Tools & Suggestions:

If you’re flipping formats, Replace Digits with Words brings things back to full text useful when you need clarity instead of compression. And for more targeted control, Replace Words in Text lets you swap out specific terms without touching the numbers.

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