What is ink sensitivity?

It is the maximum percentage of sampled pixels allowed to contain visible content before a page is considered non-blank.

Can faint scan marks affect detection?

Yes. Increase the threshold to ignore light dust, or lower it when faint handwriting must be kept.

Are kept pages recompressed?

No. Kept pages are copied from the source PDF.

PDF Tools

Remove Blank PDF Pages

Detect nearly blank PDF pages by ink coverage and remove them automatically.

Free foreverRuns in your browserNo sign-up

Drop a PDF here, or click to choose

Processed locally in your browser.

About the Remove Blank PDF Pages

Remove Blank PDF Pages renders a lightweight preview of every page and measures how much non-white content it contains. Pages below your sensitivity threshold are marked as blank.

Review the detected page numbers before downloading. The kept pages are copied without reducing their original quality.

Key features

Automatic blank-page detection
Adjustable ink threshold
Review before removal
Lossless copying of kept pages

How to use

1Upload a PDF and set the blank sensitivity.
2Run the analysis and review blank and kept page numbers.
3Remove the detected blanks and download the cleaned PDF.

Examples

Clean a duplex scan

Input: 20-page scan with empty reverse sides

Output: PDF containing only non-blank pages

Start with the default threshold and inspect the detected page list before removal.

Frequently asked questions

What is ink sensitivity?: It is the maximum percentage of sampled pixels allowed to contain visible content before a page is considered non-blank.
Can faint scan marks affect detection?: Yes. Increase the threshold to ignore light dust, or lower it when faint handwriting must be kept.
Are kept pages recompressed?: No. Kept pages are copied from the source PDF.