Annotate Visio Online

Annotate, Comment and Tag your VSDX, VSD, VSDM, VSS, VSSM, VSSX, VSX, VST, VSTX, VSTM files for Efficient Collaboration Online for Free

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Annotation is a lightweight and powerful software which allows everyone to seamlessly modify documents with the capability to annotate them. Annotate your document completely free on any OS and platform using just your browser.

With Annotation software powered by GroupDocs you are allowed to annotate documents, leave comments, draw figures, calculate distances, highlight and mark up documents. With our annotator you can do it on PDFs, text documents, diagrams, excel sheets, presentations, images and even CAD files. The most popular annotation examples are highlighting, underlying, striking out text, adding watermarks and polylines.

How to annotate Visio documents online

  • Click inside the file drop area to upload a Visio file or drag & drop a Visio file.
  • File will be automatically rendered for you to view instantly.
  • Scroll down to navigate between pages.
  • Add annotations to the document.
  • Download the annotated version of your Visio file.


  • ❓ How can I annotate Visio document?
    First, you need to upload a file: drag & drop your Visio file or click inside the white area to choose a file. Then you will be redirected to the annotation application.
  • ⏱️ How fast can I start annotating Visio document?
    The annotation app works fast. Typically it takes a couple of seconds to open a Visio document and prepare it for adding annotations.
  • 🛡️ Is it safe to annotate Visio files using this Annotator?
    Of course! The preview files will be available instantly after the file uploaded. We will delete the uploaded file after 24 hours.
  • 💻 Can I annotate documents Visio on Linux, Mac OS, or Android?
    Yes, you can use our annotator on any operating system that has a web browser. Our Visio Annotation App works online and does not require any software installation.
  • 🌐 What browser should I use to annotate Visio documents?
    You can use any modern browser to annotate Visio documents, for example, Google Chrome, Microsoft Edge, Firefox, Opera, or Safari.
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