Will it change my text?

No. It only highlights where hidden characters occur so you can decide what to do next.

Is detection private?

Yes. Everything runs locally in your browser — nothing is uploaded.

How do I remove the characters?

Use our Zero‑Width Space Remover to strip them safely from your text.

GPT CLEAN UP

Invisible Character Detector

Detect zero-width spaces and invisible Unicode characters in text

Invisible chars

Breakdown

No invisible characters detected.

Text

Preview (▯ marks hidden chars)

Find Hidden Characters in Text

Invisible characters can slip into text from copy‑paste or formatting. This detector highlights zero‑width spaces and other hidden glyphs so you can review and clean them before publishing or analysis.

What it detects

Zero‑width space (U+200B), non‑joiner (U+200C), joiner (U+200D)
Word joiner (U+2060), byte order mark (FEFF), non‑breaking space (NBSP)
Other invisible separators commonly found in pasted text

FAQs

Will it change my text?: No. It only highlights where hidden characters occur so you can decide what to do next.
Is detection private?: Yes. Everything runs locally in your browser — nothing is uploaded.
How do I remove the characters?: Use our Zero‑Width Space Remover to strip them safely from your text.

Explore related tools: AI Watermark Remover • AI Watermark Detector • AI Space Remover • Zero-Width Space Remover • Strip HTML

Invisible Character Detector – Find Zero‑Width Characters