PDF drawing
Draw on PDFs Online
Add freehand pen marks and structured shapes to PDFs for review, explanation, and visual markup. Drawing tools export as PDF annotations or flattened page content.
Workflow
- Open a PDF from your device.
- Choose Pen or Shape from the toolbar.
- Draw freehand marks, rectangles, ellipses, lines, arrows, or polygons.
- Tune stroke width, fill, arrow size, opacity, and color.
Controls
- Shape tools support rectangles, ellipses, lines, arrows, polygons, pentagons, hexagons, and octagons.
- Pen marks are stored as ink annotations.
- Use undo and redo while marking up a document.
Local editing
PDF editing runs locally in the browser with JavaScript and WebAssembly. PDF files, text, filenames, form values, signatures, and user-entered content are not uploaded.
Editor capabilities
- Open local PDFs in the browser
- Add text boxes with font, size, color, and alignment controls
- Type or draw signatures, initials, and dates
- Fill existing PDF forms
- Add new text fields and checkboxes
- Highlight, underline, strikethrough, and redact text
- Apply PDF redactions on export
- Add sticky notes, stamps, shapes, arrows, and freehand pen marks
- Search within PDFs
- Reorder, rotate, delete, insert, and resize pages
- Merge PDFs into the active document
- Split PDFs into named groups
- Export editable PDFs, flattened PDFs, ZIP archives, or individual split PDFs
- Undo and redo local edits