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This is a tool to get people to give you feedback on a document or a website, without emailing each other different versions back and forth with random comments or changes all over the place. Upload any document (PDF, Word, Excel etc.) and invite others to review and comment on it. Everyone who gets an invite sees comments from others and can reply to what the others have said. Only invited (authorized) individuals are able to view and annotate documents.

Annotate PDF, Word, Excel and Web Pages Online


  • Annotate PDFand Word documents, Excel spreadsheets and web pages online.
  • Invite and allow others to comment on and annotate the document.
  • Only authorized viewers can see notes and add replies.
  • Each document has a simple searchable / sortable index of all added annotations.
  • Organize annotation notes using keywords (tags).
  • View notes in different modes (as boxes over the text, in the right margin, as footnotes, etc).
  • You can see more Annotate screenshots here and sample annotate document here.

Free accounts are limited to 1 editor and 150 credits/month. Editor is someone who is able to upload and delete documents and to make web snapshots. However each document can be shared with an unlimited number of annotators for no extra charge.

Check out Annotate @

  1. drawonceaday
    September 7, 2016 at 7:11 pm

    You must be 99% of TIL contain all the information you will It's a worthless I'm unsubbing right I recommend you do the It's not as bad as tifu or munchaesenbyinternet twoxchromosomes ,

  2. Jim
    October 5, 2008 at 9:11 am

    This is cool, but involved too many steps - especially for teachers. I'm using a new add-in for Microsoft Word 2007 (called Annotate...) from It's designed specifically for writing, and includes a large number of built-in comments on areas like organization, grammar, and (my favorite) citation formatting. If you need to explain to a student how to integrate a quotation using MLA? Highlight, then one click and they get a coherent and legible note in the margin with a reference to Purdue University's Online Writing Lab. Cool.

    Find it here:

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