BASALT · JOURNAL
How to convert a PDF to images privately on Mac
Converting a PDF to images is useful for presentations, OCR, or a system that accepts image files, but confidential pages should not be uploaded to an unknown converter just to change format.
Choose output quality
Use resolution appropriate to the destination. Preserve small text and signatures, avoid unnecessary enlargement, and keep page dimensions consistent. Decide whether transparency, color, or grayscale matters before conversion.
Review pages as images
Image output can remove selectable text while preserving every visible pixel. Inspect pages for identifiers, signatures, and hidden information that was previously covered by an overlay. Review EXIF and filenames before sending the images onward.
Verify the batch
Check page count, order, image clarity, and file size. Confirm that the output folder contains no unintended thumbnails or temporary exports. Keep the original PDF protected and separate from the image set.
Frequently asked questions
Does converting to PNG redact a PDF?
No. It rasterizes the visible page; it does not decide what information should be hidden.
Is JPEG suitable for text documents?
It can introduce artifacts. Use a lossless or higher-quality format when small text and marks matter.
Should image metadata be removed?
Remove unnecessary device, location, and software metadata before sharing.
Doing it in Basalt
Basalt converts PDF pages locally and keeps the resulting images available for privacy and quality review before delivery. Download Basalt.
Redaction that proves itself
Basalt destroys the content you mark, then re-opens the file it wrote and proves the content is gone before it saves anything. Your documents never leave your Mac.