A Practical Checklist for Invisible Unicode in LLM Drafts

Author : Jane Carter | Published On : 19 Sep 2026

When an LLM draft looks normal but behaves oddly after copy and paste, inspect the text before rewriting it.

  1. Check suspicious gaps for zero-width spaces, non-breaking spaces, and soft hyphens.
  2. Compare punctuation and dash characters; visually similar symbols can have different code points.
  3. Paste the cleaned text into a plain-text view and reread it before publishing.

For a quick in-browser cleanup pass, Claude Watermark Remover finds and cleans invisible Unicode and typographic artifacts in Claude/LLM text. It is a text-cleanup utility, not a crypto tool or detector bypass.