Unblock Copy and Paste in Chrome and Firefox


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Some websites don't allow copying and pasting into input fields. Use this add-on to enable copying and pasting at sites that don't allow it.

Some sites will block copying and pasting certain fields on their websites, most often signing in at a site, or signing up at a website. Don't F*** With Paste is an extension that works in Firefox and Chrome that allows copying and pasting into fields that are blocked.

I was signing up for a service a few days ago and couldn't paste a password into the password field. I use LastPass to generate long passwords, and I really didn't want to manually input an eighteen character password with upper and lower case letters, numbers, and special characters into the password field. I went looking for a way around it and found Don't F*** With Paste. Since I use multiple browsers I was happy to see that it works in not only Chrome and Firefox, but Vivaldi, Opera, and Waterfox.

To use it, add a site by clicking the icon in the toolbar and selecting Save. The site address is already filled in.
To be able to function properly, the extension needs to monitor when tabs are changed in the browser. The add-on is an open source project and the code is freely available at github.

For the most part I had to use the keyboard to copy and paste on the sites I used to test the extension. Highlighting and right clicking with the mouse to copy rarely functioned. Opera is the most consistent browser in allowing right click and copy using this add-on.
If you run into websites that don't allow you to copy or paste into fields give this extension a try. Get it here:

Chrome: Don't F*** With Paste (worked for me in Vivaldi and Opera)
Firefox: Don't F*** With Paste (worked for me Waterfox as well)

You can find more Tech Treats here.


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Lately CapitalOne is preventing you from logging in with a pasted password - you can paste it, but it fails.

Also, if you use Firefox's option to manage passwords. CapOne alsodisallows passwords it fills in to work.

I'll try this...

I've run into the same thing with some password fields recently too. I use my password manager to fill them in. I hope this works for you.

Why was it necessary for the addon author to name his creation with a vulgar title?
Would it not have conveyed the same message with "Don't mess with paste"?
I am sure many more would be willing to install his app with this tamer title.
Personally, I am unwilling to install with its present naming.
Have we really stooped this low for this to be acceptable?

I can't speak to the developers intent. ¯\_(ツ)_/¯
I understand not using the add-on because of its name.
I see that particular word many places I wouldn't expect to see it - a cookbook title comes to mind, and other titles.
I see it increasingly used in the titles of articles from mainstream sites, which surprises me.
Here in the USA it appears to have become a part of the standard vocabulary for people in certain age groups and doesn't seem to have the same assocations/connotations for those groups that it does for those of us in older age groups.

Some websites are just too annoying to be bothered with. You log in with a complex 25 character password and then to download something, they insist you prove your not a robot by taking that dopey test.

CAPTCHA's can be difficult.

Could someone post a link to a site that blocks "copy/paste" please. I remember reading someplace eons ago that turning off javascript would bypass that as well as "no-right click", and would like to test that before installing another addon. Thank you.

I would add that with Firefox, my preference is to change the about:config settings rather than install an add-on.

Thanks, I'll go this route. :)

H&R Block is one site you can test. It blocks pasting of passwords from the clipboard via keyboard or mouse.
It offers to generate a strong password for you. If you use it, it will generate a password and autofill both password fields. The issue I had with the password generator was that the generated password threw up the message "Password must contain at least one special character".

It would seem their password generator doesn't know it's supposed to insert a special character when generating strong passwords. ¯\_(ツ)_/¯

I have RightToCopy installed in Chrome, and H&R will not allow right click and paste using that extension.

If you're using Firefox, changing the clipboard events entry in about:config will unblock copy and paste in fields.
about:config > agree that you know this might void your warranty (if you haven't disabled it) > search for: dom.event.clipboardevents.enabled > double click to change the entry to false
It avoids installation of another add-on.

Thanks @rhiannon for the no-addon, about:config method.

I put "dom.event'" (no quotes) in the search box.

There's two I tried:


I wasn't sure about the others.

For my financial site, this turned on right click but not copy.

If you're wondering like I was why you want to DISABLE these (when you're trying to get them working) it's because these enable the website code to see them. So hiding them from the website code leaves them for you to use. (I think.)

I gave up and used Windows "snipping tool" to capture an image of it, then capture2text, to OCR the image to text. That worked, but unfortunate I had to do it that way.

Good luck keeping control of your computer!

Thanks! I thought on most sites it has something to do with security but wasn't sure what.

Some sites that have content that's not particularly related to security use it.

Most of the ones I've run into are people wanting to protect their content such as photos, artwork etc. from being copied. I respect that.
I don't copy that type of content but I do copy snippets of text if there's a tip or trick or something useful. I keep it with the URL where I found it.
Disabling right click for that purpose isn't much of a deterrent because there are so many ways around it. ¯\_(ツ)_/¯

Exactly rhiannon. This Chrome extension "Allow Select And Copy" works for me in most cases. Failing which, I would activate the Developer tools and select an element in the webpage (shortcut: Ctrl-Shift-C), whatever text shown on the webpage can then be copied from within the inspector, either in Chrome or Firefox.

Thanks for Chrome suggestion. :)

Thanks for all that.
I'm using firefox, so I am not sure if there's a similar addon. I haven't searched.
I always go into developer tools Inspect using right-click -> Q. And right click was disabled. That stymied me for a while.
Thanks for reminding me that I don't have to be stymied by right click! (in this case) because ctrl-shift-C does it (as does in firefox the Tools menu -> developer -> Inspect).

Now on this particular webpage, the data I wanted to copy was in a table.
And the table was circuitously designed. The first column was its own div. And each cell was a whole table nested within several div layers. And the 2nd and 3rd columns were another div, and each row of the 2nd two columns was a table of 1 row and 2 columns, and again each of these tables nested within several layers of divs.

So without finding each cell individually and copying its text, this was not going to help. It was a page of code containing 1 word of text.

I saved using firefox Inspector's right click menu: copy -> outer html to copy this structure and paste it into a file (temp.html) then opened that file with firefox.

The complex html code was using positioning, so that the first column and second column were superimposed in my temp file (which was missing the css positioning). Kind of a mess.

So I resorted to capture2text which has been working well for me on windows 10.

Again thanks for the interaction around this! It's helpful!

Thanks for the how-to. You may want to check out this Firefox add-on for general copying:
Absolute Enable Right Click & Copy


Thank you Rhiannon! Worked great!

I'm happy to hear it worked. :)

I also use multiple browsers & Opera is my default browser & the only one that couldn't install 'Don't Fuck With Paste". What steps did anyone succeed with installing this into Opera? I clicked on Chrome button & unlike Vivaldi, nothing happened. Any help? TY.

Works with Firefox Version 61.0.2

That's the version I'm using too.

Are there any security risks using this add-on or opening up password fields for copy and paste?

The only difference is that the copy and paste fields are blocked - if they were not blocked, they would behave the same way a field does. Unblocking the fieled doesn't, to the best of my knowledge, increase the standard risk of copying and pasting into a field. It's like a door - if the door is open, you can walk through it. If the door is closed, you can't walk through it. Either way, the door frame stays the same.

Good to know . Thanks very much for the explanation, Rhiannon!

Anytime. :)

If anyone can install this app from the link, you are a better man than me. Absolutely cannot find download button for Chrome? Can anyone help?

Discovered the problem was I was trying to install it on Opera...won't work. No problem on Chrome. Thanks for your help!