PDF Elf can help you read and annotate scientific papers in any PDF file. It is also great for viewing and searching PDF file.
Features:
- Add Text, Anchored, Circle, Box, Highlights, Underline, Strike and Freehand drawing on the PDF.
- Text-search features in PDF Elf make your documents easily searchable.
- Integrated text to speech conversion feature that makes text audible without additional software.
- Easily zoom in on text, and Scroll, Magnify, Select as easy as one click.