HTML Diff Check Tool

Appears to compare the HTML code line by line, as if you put two text editors side by side. Expectation was a smart DOM comparison. Also didn't regognize inserted lines. Downloading the HTML and comparing using any text compare tool did a far better job for me.

I couldn't this to work. all I get is an alert with chinese text in it and a checkbox asking whether to disable further alerts from this extension. when trying to open or diff. perhaps this works, but some instructions please?? totally willing to re-rate if I had instructions.

didn't work for me, every page I attempted to use had the message "This page is not supported."

y suganoDeveloperNov 20, 2019

One cause is guessed. Pages that were open before installing the extension must be reloaded. Can you try it?

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It does exactly what it says on the tin: it compares the html in two different tabs, or the current tab with the same page on a test server (regular expression string substitution). The differences are shown side-by-side, like Meld does. I really appreciate that it is self-contained, and doesn't send data to a server owned by the extension developer to do the processing. Wishlist: reloading the same page and alerting when the contents change, and being able to ignore certain strings (like s... Show more

Works as described and useful. Wishlist: compare multiple servers at once; add headers (like Host) to request for subset of servers.

Very useful for all web developers. You can quickly check differences of web sites' html source.

If you often check the co-worker/out source worker's codes, this extention will be useful tool.