Swap Letters in Words
Shuffle, swap, or reverse letters within each word independently.
Swap First & Last
Swap the first and last letter of each word.
Scramble Middle
Keep first/last letters fixed, scramble the inside (Cambridge Effect).
Swap Adjacent
Swap every pair of adjacent characters (12->21).
Features
Multiple Swap Modes
Choose from Scramble Middle (Cambridge Effect), Swap First/Last, Adjacent Pairs, or Word Reversal.
Instant Processing
Everything happens instantly in your browser. No server uploads required.
File Support
Drag and drop .txt files directly or use the Open File button to load content.
Secure & Private
Your text never leaves your device. All processing is done locally via JavaScript.