Highlight & annotate a PDF. Free.
Mark up any PDF — highlight lines, leave sticky-note comments, draw freehand. Review and annotate right in your browser, then download the marked-up PDF.
Highlight & comment
Drag to highlight text and drop comments where feedback belongs.
Draw freehand
Sketch, circle, or underline with the ink tool for quick markup.
No signup
Annotate free with no account or watermark; files auto-delete in 24 hours.
Drop. Edit. Download.
Drop your file
Drag it in or pick it — no account, no email.
Edit in your browser
Change text, images, forms; OCR scans; convert formats.
Download it back
Export to your format. Files auto-delete within 24 hours.
Frequently asked
Can I highlight scanned PDFs too?
Yes — highlight and annotate over any page, scanned or native.
Is it really free?
Yes. No account, no email, no watermark. Your file is processed in your browser session and auto-deleted within 24 hours — and we never train on your documents.
Can I download the annotated file?
Yes — export a PDF with your highlights, comments, and drawings baked in.