Skip to main content

text-reverser

A text reverser is a tool that flips the order of characters, words, sentences, or lines in a string. The ZTools Text Reverser is Unicode-aware (handles emoji, combining accents, and right-to-left scripts correctly using Intl.Segmenter), supports four reversal modes, and runs entirely in your browser. Useful for puzzle-solving, palindrome checking, RTL preview testing, generating mirror-image text for design mockups, or just learning how Unicode grapheme clusters work.

Use cases​

Checking whether a phrase is a palindrome​

Type a candidate ("racecar", "A man a plan a canal Panama"), reverse it, compare to the original (case-insensitive, ignore spaces). The character-mode reverser produces the bit-for-bit reverse needed for the comparison.

Generating decorative reversed text for design mockups​

Mirrored text for posters, t-shirts, and tattoos. Reverse "STRENGTH" to "HTGNERTS" — the visual impact for graphic design. Note: this is character reversal, not glyph mirroring; use a mirroring filter in your design tool for true visual mirroring.

Testing right-to-left (RTL) layout in i18n work​

For locales like Arabic, Hebrew, and Persian, your UI must support RTL text flow. Reverse a sample phrase to simulate how Latin-script text would appear in an RTL context, useful for layout debugging.

Word-order reversal for parody and creative writing​

Switch reverser mode to "Words" — "The quick brown fox" becomes "fox brown quick The". Combined with sentence-level reversal, generates Yoda-style transpositions for parody content.

How it works​

  1. Paste text into the input pane — Any length — paragraphs, multi-line text, Unicode strings with emoji and accents.
  2. Choose reversal mode — Characters (every grapheme reversed), Words (word order reversed, words intact), Sentences (sentence order reversed), Lines (line order reversed).
  3. Click Reverse — The tool uses Intl.Segmenter to split text into grapheme clusters, words, or sentences according to Unicode rules — so emoji like 👨‍👩‍👧 stay intact instead of being split into surrogate halves.
  4. Review the output — Output appears in the right pane. Character counts shown for both input and output (should match unless your input had trailing whitespace).
  5. Copy or download — One-click copy. Original input stays available for re-reversing with different settings.

Examples​

Input: Hello, World! 👋

Output: 👋 !dlroW ,olleH

Input: The quick brown fox jumps

Output: jumps fox brown quick The

Frequently asked questions​

Will reversing emoji break them?

No — the tool uses Intl.Segmenter to identify grapheme clusters. Compound emoji like 👨‍👩‍👧‍👦 stay together; the cluster is moved as a unit.

Does the reverser handle accented characters correctly?

Yes. A character with a combining accent (e.g., é as e + combining acute) stays bound to its base character through the reversal. Without grapheme-cluster awareness, naive reversal would put the accent on the wrong character.

What about right-to-left scripts like Arabic?

RTL scripts have their own native logical order independent of visual presentation. Reversing them produces correct logical-order reversal but may look "wrong" in the visual flow because the original was already presented right-to-left.

Is the reversal lossless?

Yes for character mode (reversing twice returns the original). For sentence and line modes, intervening whitespace and punctuation are preserved positionally — a double-reverse is still lossless.

Can I reverse very long text?

Yes — handles inputs up to ~10 MB. Beyond that, browser memory becomes the bottleneck.

Does it work offline?

Yes. Once loaded, the page works without network. Open DevTools → Network and confirm zero requests during reversal.

Tips​

  • Use character mode for palindrome checking and pure visual reversal.
  • Use word mode for parody, Yoda-style transpositions, and word-order experiments.
  • For mirror-image visual reversal in design, combine character reversal with a CSS transform: scaleX(-1) filter.
  • When working with i18n RTL, prefer your framework's native RTL flag over manual reversal.

Try it now​

The full text-reverser runs in your browser at https://ztools.zaions.com/text-reverser — no signup, no upload, no data leaves your device.

Open the tool ↗

Last updated: 2026-05-05 · Author: Ahsan Mahmood · Edit this page on GitHub