LucidPDF

Draw, highlight, sign, measure, redact and organize PDFs on Mac and iPad. One payment unlocks Pro everywhere — no subscription, yours forever.

LucidPDF is a fast, private PDF editor for Mac and iPad. Read, mark up, sign, organize and convert PDFs in a clean native app — with everything running offline on your device.

Buy once, use everywhere: a single LucidPDF Pro purchase unlocks the full app on both Mac and iPad. No subscription. Yours forever.

MARK UP & ANNOTATE • Draw freehand with your finger or Apple Pencil • Highlight like a real marker • Add text, sticky notes, arrows, shapes and callouts • Sign with a drawn signature or an imported image

MEASURE • Calibrate a real-world scale, then measure distances on the page

REDACT & PROTECT • Permanently black out sensitive areas • Auto-redact emails, phone numbers and card numbers • Add a watermark or set a password

ORGANIZE PAGES • Thumbnail overview with tap-to-jump • Reorder, rotate, duplicate, delete and insert pages • Merge PDFs, split and extract page ranges

CONVERT & EXTRACT • Offline OCR — recognize text and copy it instantly • Export pages as images • Compress to shrink file size

PRIVATE BY DESIGN Everything runs on your device. OCR is offline and your documents never leave your Mac or iPad.

LucidPDF Pro is a one-time purchase that unlocks all markup and Pro tools. Customers who bought the paid app keep full access — free.