Collaborative PDF Whiteboard Online Free
Draw, sketch, annotate, and brainstorm directly over PDF pages with an interactive collaborative whiteboard.
Collaborative Whiteboard
Why use the PDF whiteboard
Interactive Brainstorming
Sketch ideas directly on architectural plans, diagrams, and drafts.
Full Drawing Toolbox
Switch easily between precision pens, broad highlighters, and shapes.
Export with Markups
Download your finalized whiteboard annotations as a high-res PDF.
How to use the PDF whiteboard
- 1Upload your PDF document.
- 2Use drawing tools to sketch and annotate on pages.
- 3Export your marked PDF.
100% client-side local processing. Zero server uploads.
When to use Collaborative Whiteboard
•Reviewing architectural blueprints
•Teaching and grading homework
•Brainstorming UI wireframes
What do you need next?
Annotate and markup PDF pages directly in your browser. Add text boxes, highlights, and shapes easily.
Open tool Scan to PDFCapture document pages using your computer webcam or smartphone camera, apply clean scan filters, and export to PDF.
Open tool Compress PDFOptimiza el tamaño de tus documentos para enviarlos por correo, plataformas educativas o trámites oficiales sin sacrificar legibilidad.
Open tool Merge PDFCombina contratos, notas de clase o pólizas en un único archivo listo para enviar, firmar o archivar.
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