FAQ

Last updated:July 8, 2026

When using Bulk Apply Filters, the most common questions are about save prompts, applying more than one filter, and undoing changes; this section includes 3 frequent questions and a glossary.

FAQ

Do I need to save the file before I batch apply filters?

  1. Yes. Save the current document before starting batch processing.
  2. If a save prompt appears, complete the save action first.
  3. Then run Bulk Apply Filters again.

Can I apply multiple filters at the same time?

  1. No. You can apply only one filter effect at a time.
  2. If you need more than one effect, complete the first filter process first.
  3. Then repeat the steps for the next filter.

Can I undo the result after batch processing?

  1. Yes.
  2. After the batch process is complete, press Ctrl+Z if you want to revert the change.
  3. Check the page result and decide whether to apply the filter again.

Glossary

TermDefinition
Scanned PDFA PDF created from scanned paper documents. Common issues include shadows, screen-pattern noise, and unclear text.
FilterA preset processing effect used to improve the appearance of scanned pages, such as removing shadows or enhancing text.
Custom PagesA page-selection method that lets you enter page numbers or ranges so only specified pages are processed.
Smart OptimizationA preset filter that automatically improves document appearance and is useful for checking the overall result quickly.