Hot answers tagged diffs
Open the document in Google Docs Click the [File] menu item Click the [See revision history] option Check the box for the newest revision you want to compare. Scroll down the list and check the box for the oldest revision you want to compare. Click the [Compare checked] button to see the changes between the old and new revision entries you checked. Added ...
You can use https://github.com/larsks/gitdriver to create a git repository mirroring a google doc. In the repository is only one file stored and there is a commit for each Google Drive revision. Then, you can use commands like git log of git diff or graphical tools for showing the diff as described here: ...
Quick Diff Online Tool
I would try just using plain old microsoft word, and zoom out to a point where you can see both copies on the same screen. Then they can be printed on different sheets, and comments can be added as needed on microsoft word. If you need to use an online tool then there is google docs word, but then you can't see both at once.
Best online tool I know of: http://www.diffchecker.com/ But I prefer using offline tools as online tools get slow with very large pieces of text.
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