Need to double every letter in your text for fun, formatting, or encoding? The Duplicate Letters in Text Tool automatically duplicates every alphabetic character (A–Z, a–z) while leaving everything else untouched. It’s great for generating stylized output, creating word puzzles, or building obfuscated strings.
How to Use:
- Paste or type your content into the Input Text box.
- (Optional) Click Choose File to upload a
.txt,.csv,.json,.md, or other plain-text file. - The tool instantly duplicates all letters and shows the result in the Modified Output box.
- Click Copy Output to copy the result or Export to File to download it.
- Use Clear All to reset everything and start fresh.
What Duplicate Letters in Text Tool can do:
This tool scans your text and duplicates every alphabetic character, one by one. Letters like a become aa, B becomes BB, and so on. Non-letter characters like spaces, punctuation, and numbers are left as-is. The result updates live with a flashing border animation so you can visually confirm each change.
Example:
Input:
Duplicate every letter in this sentence!Output:
DDuupplliiccaattee eevveerryy lleetttteerr iinn tthhiiss sseenntteennccee!Total characters:
76Common Use Cases:
Useful for generating stylized effects, mocking text generators, word games, visual encryption, or just for fun. It can also serve as a basic demonstration of character-level text manipulation in educational settings. The clean formatting and live preview make it easy to experiment and share results instantly.
Useful Tools & Suggestions:
If you’re experimenting with repetition, Duplicate Vowels in Text lets you double just the vocal sounds for a subtler distortion. And when you want a bolder effect, Duplicate Consonants in Text helps push the pattern even further great for stylized text, testing input filters, or building unique word forms.