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Reverse String Tool

Reverse the order of characters in a string without replacing them with upside-down glyphs.

What this tool does

This tool reverses input by Unicode code point rather than by raw UTF-16 code unit. That handles many emoji and non-Latin characters better than a naive reversal, but complex grapheme clusters and combining sequences can still separate and must be checked.

Paste a string, inspect the reversed order and copy the result.

Maximum 500,000 characters: 0 / 500000

No result

How to use it

  1. Paste the string you want to reverse.

  2. Inspect emoji, combining marks and line breaks in the result.

  3. Copy the reversed text or run it through the tool again to restore the order.

Key features

  • Code-point-aware reversal.
  • Support for multilingual text and many emoji characters.
  • Original characters are retained; only their order changes.

Practical use cases

  • Testing string-handling code and sample data.
  • Creating backwards clues, puzzles or playful text.
  • Comparing plain reversal with decorative upside-down text.

Limitations and important notes

  • Code-point reversal is not fully grapheme-cluster-aware.
  • Line-break characters are reversed with the rest of the input.
  • Reversal is not encryption or obfuscation suitable for secrets.

Troubleshooting

The output is not what I expected.

Recheck the input, selected options and the limitation notes below; preserve the original before trying a destructive cleanup. Code-point reversal is not fully grapheme-cluster-aware.

The page becomes slow with a large input or repeat count.

Reduce the input, split the operation into smaller batches and close other memory-heavy tabs. Keep an original copy before retrying.

The result changes after I paste it elsewhere.

Test the destination app, font and character encoding. Some apps normalize whitespace or render Unicode differently.

Frequently asked questions

How do I reverse a string?

This tool reverses input by Unicode code point rather than by raw UTF-16 code unit. That handles many emoji and non-Latin characters better than a naive reversal, but complex grapheme clusters and combining sequences can still separate and must be checked.

Why can a family emoji or accented letter look broken?

Some visible characters are made from multiple code points. Reversing code points can separate those grapheme clusters.

Does it create upside-down letters?

No. It keeps the same characters and reverses their order. Use Upside Down Text for Unicode look-alike substitutions.

What are the limitations?

Code-point reversal is not fully grapheme-cluster-aware. Line-break characters are reversed with the rest of the input. Reversal is not encryption or obfuscation suitable for secrets.

Use the tool

Paste a string, inspect the reversed order and copy the result.