Question 1

What exactly gets reversed?

Accepted Answer

The tool reverses the character order of the entire input string (or each line individually in per-line mode). 'Hello' becomes 'olleH'. Multi-byte Unicode characters (emoji, CJK, accented letters) are handled correctly as single code points, not as raw bytes.

Question 2

What is per-line vs. whole-text reversal?

Accepted Answer

Whole-text mode reverses all characters including newlines — the last character of the last line becomes the first character. Per-line mode reverses each line independently while keeping line order intact. Most use cases want per-line mode.

Question 3

Is there a practical application for text reversal?

Accepted Answer

Simple obfuscation, palindrome creation, some encoding challenges, cultural scripts that read right-to-left, and academic exercises. RTL (right-to-left) language support in software uses proper Unicode bidirectional algorithms — not simple reversal.

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