Currently, in the new version of popular Internet browsers such as Google Chrome, Mozilla Firefox or Internet Explorer ... manufacturers have upgraded, adding the spell-checking feature to help people. User feel more convenient to use. However, not everyone needs this feature and it is not always necessary for updates like this to be supported by users.
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It is not always beneficial to get "spelling" errors, because sometimes, users intentionally or for some reason want to turn this feature off, you may need assistance. Help of this article.
Instructions to turn off the spell check on the web browser
Disable spell checking on Chrome
Step 1: From the main interface of the Chrome browser, you click on the three dashes icon (upper right corner of the screen), select Settings - Settings.

Step 2: Scroll to the bottom and click Show advanced settings - Show advanced settings.

Step 3: At this interface, we find the Language - Language section , then click on the Language and input settings box - Language and input settings.

Just remove the checkmark in the box Enable spell checking - Enable spell checking , then click Finish - OK to save changes.

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Uncheck the spelling on Firefox
Also from the main interface of Firefox, click the three dashes icon (upper right corner), click on the Options icon - Options (cogwheel).

Select down to Advanced , General tab . Tron shown below, also remove the check in the box Check my spelling as i type . Then exit and restart Firefox .

The image above is Download.com.vn using the latest version of Firefox web browser, if your computer uses the lower version, maybe the image shown will be as below.

Select Advanced / General / uncheck the last box and then click OK
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Disable automatic spell checking on Internet Explorer
From the main IE interface, click the Tools tab , select the last item in the window that appears - Internet Options.

Select to Security tab , uncheck Enable Protected Mode, then click OK .

For those who feel this feature in browsers, after disabling, performance can be improved relatively. In addition, other Internet browsers such as Safari , Opera can also turn off spell checking, but in terms of popularity, it is not equal to the above three browsers, so Download.com.vn does not guide!
ATTENTION:
After doing the above, you need to restart the browser to save these changes.
I wish you successful implementation!