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常见问题
Why would a PDF contain JavaScript?expand_more
Some PDFs use JavaScript for form validation, calculations, or interactive features. Unfortunately, it can also be used for malicious purposes.
Is it safe to remove JavaScript from a PDF?expand_more
In most cases, yes. Removing JavaScript eliminates a potential security risk without affecting the document appearance.
Will removing JavaScript break form functionality?expand_more
If the form relies on JavaScript for validation or auto-calculation, those features will stop working. Static form fields remain functional.
Does this make the PDF safer to open?expand_more
Yes. Removing JavaScript is a recommended security practice, especially for PDFs received from untrusted sources.