Reverse Text / Words / Lines

Reverse Text flips a string of text backward — by individual character, by word order, or by line order — depending on which kind of reversal you actually need. Reversing 'hello' by character gives 'olleh'; reversing 'the quick fox' by word gives 'fox quick the' with each word itself left intact; reversing a multi-line list by line gives the last line first without touching the text within each line.

Character reversal is the classic party trick for checking palindromes and generating novelty text for social posts. Word reversal is genuinely useful for proofreading — reading a sentence with the words in reverse order forces you to look at each word individually rather than skimming, which is a known technique for catching typos and repeated words that skimming misses. Line reversal is handy for flipping a chronologically-ordered list (like a changelog or a chat export) into the opposite order, or for reversing a numbered ranking.

Character-level reversal correctly handles multi-byte characters and emoji by iterating over full Unicode code points rather than raw UTF-16 code units, which matters because naively reversing a JavaScript string with a byte-level approach can corrupt emoji and other characters outside the Basic Multilingual Plane into broken glyphs — 'a😀b' reverses cleanly to 'b😀a' here rather than producing mangled surrogate pairs.

Word reversal keeps whitespace runs — including multiple consecutive spaces — in their original form and position relative to the reversed words, so unusual spacing in the source text doesn't collapse or shift unexpectedly. Line reversal splits on any line-ending style (Windows, Unix or old Mac) and simply flips the order of the resulting lines. Everything processes instantly in your browser as you type.