Replace compatibility characters in your Urdu text, the Arabic presentation forms, ligatures, and fancy look-alikes, with the plain letters they stand for, so your text is clean and searchable.
Quick Answer
The Urdu Unicode Compatibility Cleaner folds compatibility characters back to their plain forms. Arabic presentation forms, decorative ligatures, and fancy variant characters are replaced by the normal letters they represent, using standard Unicode normalization, so your text sorts, searches, and displays the same everywhere. Everything runs in your browser.
Clean Compatibility Characters
Paste Urdu text to fold compatibility characters to plain forms.
Cleaned text
- Changed
- 0
- Before length
- 0
- After length
- 0
- Compatibility
- 0
Before and after
Rate This Tool
Tap a star to rate the Urdu Unicode Compatibility Cleaner.
What the Urdu Unicode Compatibility Cleaner Does
The Urdu Unicode Compatibility Cleaner replaces compatibility characters with the plain letters they stand for. Arabic presentation forms, which are pre-shaped versions of letters, decorative ligatures, and fancy variant characters are all folded back to the normal characters, so the text is consistent.
Compatibility characters look right but behave badly: they can break search, sort in the wrong place, and copy oddly. Folding them to plain forms fixes all of that.
Everything runs on your own device. Your text is never uploaded or stored, so it stays private while you clean it.
How to Clean
- Paste your text. Enter text that may hold presentation forms or ligatures.
- See the change. The before and after previews show what was folded.
- Check the count. See how many characters were changed.
- Copy or download. Copy the cleaned text, or save it as a text file.
Compatibility Characters
A compatibility character is one that Unicode keeps for round-trip reasons but that has a preferred plain form. In Arabic script these are mainly the presentation forms, the shaped initial, medial, and final versions of letters, and the ligatures. They should normally be stored as the plain letters and shaped by the font.
How the Folding Works
The cleaner uses standard Unicode compatibility normalization to fold the characters. This maps each compatibility character to its plain equivalent, so a presentation form becomes its base letter and a ligature becomes its separate letters, in the form the rest of your text uses.
When to Take Care
Compatibility folding is safe for ordinary Urdu text, but it also changes some characters you may want to keep, such as turning a superscript number into a normal one. Check the before and after previews, and use the options only when you want the extra folding they describe.
A Worked Example
Before:
Loading example…
After:
Loading example…
The live cleaner is preparing this example…
The result above comes from the same function the tool uses, so it reflects real behavior. Press Load Example to try it.
Who Uses This Cleaner
Developers use it to normalise text for search and storage. Editors use it to fix text from PDFs. Anyone whose text sorts or searches wrong uses it.
Accuracy and Limits
The folding uses the browser’s standard compatibility normalization, so it matches the Unicode rules exactly. It changes every compatibility character, which is usually what you want; where it is not, the before and after previews let you check before you copy.
Good to know: to keep the shaping but only remove hidden characters, use the invisible character cleaner instead.
Your Data Stays Private
The cleaner runs fully in your browser with standard web technology. Your text is not uploaded or stored, and it is not sent to any analytics service. Only your star rating is sent, to record the tool’s rating. When you close the page, your text is gone.
Frequently Asked Questions
What does the Urdu Unicode Compatibility Cleaner do?
It replaces compatibility characters, the Arabic presentation forms, ligatures, and fancy variants, with the plain letters they stand for, using standard Unicode normalization.
What is a compatibility character?
A character Unicode keeps for round-trip reasons that has a preferred plain form, such as a pre-shaped presentation form of a letter or a ligature.
Why fold them to plain forms?
Compatibility characters can break search, sort in the wrong place, and copy oddly. Plain letters behave consistently and are shaped by the font.
Does it change my normal letters?
No. Ordinary letters are already in plain form and are left untouched; only compatibility characters are folded.
How is this different from the invisible cleaner?
This folds visible compatibility characters to plain forms, while the invisible cleaner removes hidden zero-width and format characters.
Is my data safe?
Yes. Everything runs in your browser. Your text is never uploaded, saved, or shared.
Is this tool free?
Yes, it is completely free and needs no account to use.
Does it work on mobile?
Yes. It works on phones, tablets, and computers.
Explore More Free Urdu Unicode and RTL Tools
Inspectors, detectors, cleaners, and normalizers built for real Urdu Unicode text.
Open the Urdu Tools hubSources and standards
- The Unicode Standard and code charts (Arabic block U+0600, Arabic Supplement, Presentation Forms). unicode.org/charts
- UAX #9, Unicode Bidirectional Algorithm (RTL, marks, isolates, overrides). unicode.org/reports/tr9
- UAX #15, Unicode Normalization Forms (NFC, NFD, NFKC, NFKD). unicode.org/reports/tr15
- MDN Web Docs, String.prototype.normalize and code point methods. developer.mozilla.org
This free tool folds compatibility characters to their plain forms using the browser’s standard compatibility normalization, matching the Unicode rules. It changes every compatibility character; check the before and after previews before copying. Your star rating is stored on the site.