Special Character Detector

Paste text to detect, highlight, and count hidden, zero-width, control, and special Unicode characters. Clean them with one click.

Input Text

Instant Detection

Highlights and lists special characters as you type.

Privacy First

All analysis happens locally in your browser.

Clean Text

Remove all special characters with one click.

Frequently Asked Questions

What counts as a special character?

Any character outside standard printable ASCII, including zero-width spaces, control characters, and unusual Unicode symbols.

Can I remove all special characters?

Yes, the Clean Text button removes everything except standard printable ASCII, tabs, and line breaks.

Is my text sent to a server?

No, detection and cleaning are performed entirely client-side.