Decrement Letters in Text

Need to shift letters backward through the alphabet? The Decrement Letters in Text Tool takes every letter in your input and moves it back by a number of steps you choose. It works on both uppercase and lowercase letters, wraps around (so a becomes z, A becomes Z), and keeps non-letter characters untouched.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .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 upload a supported text-based file like .txt, .csv, .json, or .html.
  3. In the Options box, adjust the Step Size to choose how far each letter should be shifted backward.
    • A step of 1 turns b into a, a into z.
    • A step of 3 turns d into a, c into z, and so on.
  4. The shifted text appears instantly in the Decremented Output box.
  5. Click Copy Output to copy the result or Export to File to download it as a .txt.
  6. Use Clear All to reset the tool and start over.

What Decrement Letters in Text Tool can do:

This tool scans each character in your text and shifts alphabetical characters backward by the number of steps you choose, wrapping around the alphabet when needed. It preserves all other symbols, spaces, and punctuation exactly as they are. The transformation happens instantly in your browser with live feedback and no page reload.

Example:

Input:

bcd ZAB

Step Size:

1

Output:

abc YZA

Total characters:

7

Common Use Cases:

Great for decoding Caesar ciphers, building letter-shifting puzzles, or experimenting with alphabetic transformations. It’s useful for both fun and educational purposes, like seeing how words transform through backward rotation. Try different step sizes to discover patterns or decode rotated strings.

Useful Tools & Suggestions:

If you’re working with letter-based transformations, Increment Letters in Text gives you the opposite effect great for encoding, puzzles, or shifting strings up and down. And when you want more variety, Replace Letters in Text lets you swap characters however you like instead of just moving alphabetically.

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