Annotate ONE Online

Free Online Annotation

ONE
OneNote Document
A ONE file is a document created by OneNote, a note-taking program developed by Microsoft. It contains one or more sections made up of one or more pages of content. ONE files may contain text, digitized handwriting, and objects pasted from other applications, such as images, drawings, and audio/video clips.
ONE
OneNote Document
A ONE file is a document created by OneNote, a note-taking program developed by Microsoft. It contains one or more sections made up of one or more pages of content. ONE files may contain text, digitized handwriting, and objects pasted from other applications, such as images, drawings, and audio/video clips.

Get started with online ONE annotation

Free ONE online annotation and much more!

How-to Annotate Documents

1
Sign in or Log in into conholdate.app
No credit card required. It’s free.
2
Go to your Dashboard
Dashboard link can be found at the top right corner by hovering over user icon.
3
Upload your documents
We support over 90 formats including pdf, docx, xls, ppt and images.
4
Annotate documents
After document is processed, click on document name and document annotator will pop up.
POWERED BY
GroupDocs.Annotation for .NET
Annotate documents in .NET (C#) with flexible and feature-rich GroupDocs.Annotation API.
Explore GroupDocs.Annotation API
Annotation
GroupDocs.Annotation for .NET MVC
Open-source angular based front-end solution integrated with GroupDocs.Annotation for .NET.
Checkout Angular Document Annotator

SUPPORTED FORMATS