29 reviews for this add-on
  • Very useful, works as advertised.
    The whitelist is not so easy to use (you don't just add bare URLs, you have to include slashes and regex flags, and the UI help is inadequate). But five stars anyway.
  • It's a great help and works fine with Firefox under Windows, but it seems not to work with Firefox under Android. The CorsE-Button is not shown, and although it is set to "Enabled at startup" in the Options-Menue, no data are received. Is there anything I can do?
    Android is 4.4.2, Firefox is 62.0.3, CorsE is 18.5.30.1913)
    I think the Android tag got added when I switched to WebExtensions, the truth being that this is completely untested. So until I decide to take a good look at it, there is presumably nothing you can do on your end.
    You can keep track of the issue here: https://github.com/spenibus/cors-everywhere-firefox-addon/issues/15
    This is obviously not getting resolved very fast, although there is no need to remind me every six months.
  • Easy to install and config the whitelist (useful if you want to apply this plugin just to some domains)
  • This is the best plugging for http request.
  • Very useful
  • Does not work on Windows FireFox version 59.
  • TKS ads
  • I needed to test a web page on a local web dev environment, and of course CORS isn't allowed in firefox, so this extension solved it. many thanks to the creator. much obliged.
  • does not work on mac osx with firefox 59.0.2 (64-bit)
  • It doesn't seem to work on Firefox 59.... I opened an issue on Github:

    https://github.com/spenibus/cors-everywhere-firefox-addon/issues/18
  • Does what it says and is a great help developing / working with CORS sensible APIs.
  • very good !
  • Ich hatte es schon vor einiger Zeit getestet und es hatte nicht funktioniert. Jetzt hat es doch funktioniert und Firefox hat eine Anfrage an eine fremde Seite nicht blockiert. Ich hatte mich schon über die Bevormundung von Firefox geärgert.
  • working great thanks
  • This addon solves the CORS problem...well, so far;
    Compare to Chrome, this is the first time I make CORS work with the first try!
    Thanks a lot!
  • Solve CORS problems on my firefox browser.
  • Good us.
  • It doesn't seem to work for me.
    I can't fix something so vague.

    https://github.com/spenibus/cors-everywhere-firefox-addon/issues
  • Thanks. It works in my environment: mac os 10.9.5 + firefox 52.0.2 + CORS EVERYTHERE add-on ver 20150910-1410
  • Worked like a charm first time. Concise documentation. Simple job, but done very well. thank you
  • Ready to operate in a few seconds. Just have to add it in the toolbar after downloading. Really usefull.
  • I had a trouble with cors all day and finally it worked. Thanks for this helpful add-on.
  • As a web developer, this add-on is a life (and hair) saver for when you don't have access to the server. Works as intended.
  • Hi it's works really great. Thank you

    I just have one plea, please could explain or paste links, how to create CROS request. I couldn't find any SIMPLE references, because I have error("Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://www ... html. (Reason: CORS header 'Access-Control-Allow-Origin' missing).").

    They all just telling to add header "Access-Control-Allow-Origin", but how and where. Thanks for advance.

    I already read the most Google links, including on html5rocks (where example throws the same error). But it does not work for me.

    P.S. By using you addon it works
  • Hi, that works great!

    Could you clarify how to set it enabled by default?

    Where do i set `extensions.spenibus_corsEverywhere` enableAtStartup?

    Thanks
    See this about the preferences: http://kb.mozillazine.org/Editing_configuration
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