Free, and your files stay on your device.
Highlight and comment: Mark up text, leave sticky notes and stamp pages.
Draw and shapes: Pen, highlighter, rectangles, ellipses, lines and arrows.
Text in any language: Text boxes in four faces, Hebrew and Arabic included.
Fill and sign: Draw, type or upload a signature. Add dates and checks.
Organize pages: Reorder, turn, duplicate, delete, add and extract pages.
Compress: Shrink the pictures inside a PDF to make it smaller.