How to Remove Hidden Slides from Multiple Files

Microsoft PowerPoint® has no out-of-the-box means for removing hidden slides from multiple presentation files (PPTX) in batch.

BatchPurifier™ can permanently remove hidden slides from multiple Microsoft PowerPoint® (PPTX; PPTM; PPSX) files in one go.

BatchPurifier™ can also selectively remove other types of hidden data & metadata from multiple types of document, image, and media file formats. It's an offline privacy-oriented standalone desktop application for Windows®.