Draw black censor boxes over sensitive details.
Number PDF pages at custom positions with styling.
Add custom headers, footers, or text margins to a PDF.
Overlay text or image watermarks onto PDF pages.
Modify title, author, subject, and keyword meta fields.
1,100+ browser utilities for files, images, text, data, and more.
Practical tutorials, comparisons, and productivity explainers.
Cover sensitive areas and export a new rasterized PDF or PNG locally, without retaining selectable source text or original PDF objects.
Perform a bounded local lexical inspection for PDF JavaScript, actions, launch cues, attachments, forms, rich media, and external references without…
Compare learning platforms and build skills.
Finance, health, math, and everyday calculators.