Annotate PDF

Highlight text, add comments, draw rectangles and freehand on any PDF page. Annotations are burned into the PDF on download.

Files never leave your browserLearn how →
Read our guide →
📄

Drop a PDF to annotate

or click to browse
Other Advanced Tools
OCR
Make scanned PDFs searchable & copyable
Compare PDFs
Diff two PDFs and see what changed
Repair PDF
Fix corrupted or damaged PDF files
Bookmarks
Add, edit and remove PDF bookmarks
Popular Tools
Compress
Reduce PDF file size
E-Sign
Draw or upload signature, place on PDF
OCR
Make scanned PDFs searchable & copyable
Merge
Combine multiple PDFs into one

🔒 Your files are processed entirely in your browser. Nothing is sent to any server.

Privacy PolicyAboutContact
Alternatives:Smallpdf Alternative·ilovePDF Alternative·Adobe Acrobat Alternative·HIPAA-Safe PDF Tools