Remove invisible characters

Client

Highlight and remove zero-width spaces, byte-order marks, and similar hidden Unicode—common when text is copied from the web or PDFs.

Hidden Unicode that breaks paste

Zero-width spaces, byte-order marks, soft hyphens, and joiners often ride along when text is copied from the web, PDFs, or chat apps. This page highlights known invisible code points and can strip them locally—normalize further with Unicode normalize if compatibility forms matter.

  • Index 7: ZERO WIDTH SPACE (U+200B) (U+200B)
  • Index 14: BYTE ORDER MARK (U+FEFF) (U+FEFF)

Nearby workflows on Toolcore

  • Trim lines — after invisible characters are removed from each row.
  • Dedupe characters — when repeated visible letters also need collapsing.

Common use cases

  • Clean pasted API keys or tokens that fail validation because of hidden characters.
  • Remove zero-width joiners from social posts before publishing.
  • Sanitize log snippets before diffing or searching.

Common mistakes to avoid

  • Expecting every Unicode control code

    This tool targets common invisible/format characters—not a full Unicode sanitizer.

FAQ

Is text uploaded?

No. Detection and removal run only in your browser.

Common search terms

Phrases people search for that match this tool. See the full long-tail keyword index.

  • remove invisible characters online
  • strip zero width space from text
  • hidden unicode cleaner browser
  • remove bom from pasted text

More tools

Related utilities you can open in another tab—mostly client-side.