Free Online Document Annotation

Free Online {{REQUESTED_EXTENSION}} file Annotation

Annotate, Comment and Tag and your Document Contents for Efficient Collaboration

Annotate, Comment and Tag and your {{REQUESTED_EXTENSION}} file for Efficient Collaboration

  Upload & Start



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GroupDocs.Annotation App

GroupDocs.Annotation App Supported Document Formats

Microsoft Office Formats
  • Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, RTF
  • Microsoft Excel: XLS, XLSX, XLSM, XLSB, CSV
  • Microsoft PowerPoint: PPT, PPTX, PPTM, POTX, POTM, PPSM, PPS, PPSX
  • Microsoft Visio: VSD, VSS, VSDX, VST
Other Formats
  • Portable: PDF (PDF/A-1a, PDF/A-1b, PDF/A-2a)
  • OpenDocument: OTP, ODT, OTT, ODS, ODP
  • Images: BMP, GIF, JPG, JPEG, PNG, TIFF
  • AutoCAD: CAD, DWG, DXF
  • Metafiles: EMF, WMF
  • Email: EML, EMLX, MSG
  • Web: HTM, HTML
  • Others: DICOM, DjVu
How to

 How to annotate a {{REQUESTED_EXTENSION}} file using GroupDocs.Annotation App

  • Click inside the file drop area to upload a {{REQUESTED_EXTENSION}} file or drag & drop a {{REQUESTED_EXTENSION}} file.
  • Click Upload to start uploading.
  • File will be automatically rendered for you to view instantly.
  • View your {{REQUESTED_EXTENSION}} file and navigate through pages.
  • Create annotations on your {{REQUESTED_EXTENSION}} file.
  • Download the annotated version of your {{REQUESTED_EXTENSION}} file.

Fast and Easy Annotation

Upload your file to start annotating.

Annotate from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Annotation Quality

Powered by GroupDocs.Annotation. All files are processed using GroupDocs APIs.