Upload PDF to Annotate

Drag & drop your PDF file or click to browse. Max file size: 100MB.

All PDF versions supported
Free Forever

Annotation Tools

Selection Tool: Click and drag to select annotations. Move selected items with drag & drop.
Draw Tool: Click and drag to draw freehand annotations. Adjust thickness with size slider.
Highlight Tool: Drag over text to highlight. Use for marking important content.
Text Tool: Click to add text boxes. Double-click to edit. Drag corners to resize.
Note Tool: Add resizable sticky notes. Click to edit content. Drag to move.
Shape Tool: Drag to create shapes. Press Shift for perfect squares/circles. Right-click for more options.
Eraser Tool: Click on annotations to remove them. Drag to erase multiple items.
Undo: Revert your last annotation action. Supports up to 50 undo steps.
Redo: Restore actions you've undone. Works in sequence with undo.

Page Thumbnails

Upload PDF to view pages

Quick Actions