Quick translate for Youtube captions Share Tweet
Translate Youtube captions and look up words easily!
"Quick translate for Youtube" is a Firefox Add-on for Youtube captions/subtitles. You can also install as Chrome Extension.Choose translate service from Google or DeepL, or customize as you like. Online dictionary setting is also customizable.
» Download Quick translate for Youtube captions from Mozilla.org
How to Use
Translate captions/subtitles with 1 click!
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Look up words used in captions/subtitles, or just copy any text you want!

Press toolbar icon. Captions/subtitles are displayed in menu.
Click any word to search online dictionary.
*Only support languages written with word delimiter. (e.g., whitespace)

How to install as Chrome Extension
Open Chrome browser.
Download Firefox add-on file from mozilla.org.
Rename file extension from "xpi" to "zip", then unzip it.
Open Chrome MENU > MORE TOOLS > EXTENSIONS
Turn on DEVELOPER MODE.
Select LOAD UNPACKED.
Select the unzipped folder above.
Click EXTENSIONS icon on Chrome toolbar.
Pin "Quick translate for Youtube captions".
Download Firefox add-on file from mozilla.org.
Rename file extension from "xpi" to "zip", then unzip it.
Open Chrome MENU > MORE TOOLS > EXTENSIONS
Turn on DEVELOPER MODE.
Select LOAD UNPACKED.
Select the unzipped folder above.
Click EXTENSIONS icon on Chrome toolbar.
Pin "Quick translate for Youtube captions".
Setting Options
Language
Default Translate Service and Custom Translate Service
Choose Google, DeepL or Custom for 1 click translaion. You need to fill "Custom Translate Service" field if you select "Custom". Input a URL like "http://example.com/search?q=".
Word Picker
You must fill "Online dictionary" field when you turn on "Look up words" option. Input a URL like "http://example.com/search?q=". Default setting is using google search.
Terms of Use
*Please use it at your own risk. We will take no responsibilities for any problem caused by using this script.*These Terms of Use are subject to change without notice.