永久遮盖敏感文字。输入关键词 — 每个匹配的短语都会被黑色矩形覆盖。
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Enter the words or phrases you want to hide. We locate every occurrence using the PDF's text coordinates and draw a solid black rectangle over each match.
Unlike highlighter-based "redactions" in some readers, this removes the underlying text from the rendered output. Always sanity-check the result before sharing legally sensitive documents.