PDF Reader & Editor
Annotate, highlight, and study your exam PDFs in the browser
Open PDF
Drop PDF here to view
PDF · Max 100 MB · Nothing is uploaded
How to Use PDF Reader & Editor
- Open your PDF
Click "Open PDF" to browse for a file, or drag-and-drop a PDF into the viewer. Files stay local — nothing is uploaded.
- Read and navigate
Use the page thumbnails, bookmarks, and search to navigate. Enable dark mode for comfortable night-time reading.
- Annotate as you study
Highlight text in yellow/green/red, add sticky notes, underline, strikethrough, draw shapes, or freehand sketch on any page.
- Save your annotated PDF
Click "Save" to download a new PDF file with all your annotations embedded — readable in any PDF viewer.
Frequently Asked Questions
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Annotations are auto-saved to your browser's local storage when you make changes. Open the same file again to restore them. You can also manually save as a new PDF.
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Absolutely. This is one of the most popular use cases — open a PYQ PDF, highlight important questions, add notes per topic, and save for revision.
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No. Dark mode is a display setting only — it does not change the PDF content or how it looks when saved.
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Yes. Use the "Text Box" annotation tool to add floating text anywhere on the page. Useful for filling gaps in printed notes.
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Files up to 100MB load fine. Very large files (500+ pages) may take 10–20 seconds to initially render.