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@wanglf
Last active July 16, 2024 07:34
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Download VS Code extensions as VSIX

How to use?

  • Copy content of vsix-bookmarklet, create a bookmark in your browser.
  • Navigate to the web page of the VS Code extension you want to install.
  • Click the bookmark you just created, then click the download button.
    download
  • After download finished, rename the file extension to *.vsix.
  • In VS Code, select Install from VSIX... in the extension context menu.
    vsc

How does it work?

http://stackoverflow.com/a/38866913/1032492

A VS Code extension's offline install package (VSIX) is available at:

https://${publisher}.gallery.vsassets.io/_apis/public/gallery/publisher/${publisher}/extension/${extension name}/${version}/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage

Take the syntax highlight extension for Vue.js as an example:

https://marketplace.visualstudio.com/items?itemName=liuji-jim.vue

  • The itemName query is a composition of publisher and extension name, separated with a dot.
  • The publisher is liuji-jim.
  • The extension name is vue.
  • The latest version number is in More Info section on the right side.
    more

So the package can be downloaded via this URL:

https://liuji-jim.gallery.vsassets.io/_apis/public/gallery/publisher/liuji-jim/extension/vue/0.1.3/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage

javascript:!function(){(function(){for(var%20e={version:%22%22,publisher:%22%22,identifier:%22%22,getDownloadUrl:function(){return[%22https://%22,this.identifier.split(%22.%22)[0],%22.gallery.vsassets.io/_apis/public/gallery/publisher/%22,this.identifier.split(%22.%22)[0],%22/extension/%22,this.identifier.split(%22.%22)[1],%22/%22,this.version,%22/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage%22].join(%22%22)},getFileName:function(){return[this.identifier,%22_%22,this.version,%22.vsix%22].join(%22%22)},getDownloadButton:function(){var%20e=document.createElement(%22a%22);return%20e.innerHTML=%22Download%20VSIX%22,e.href=%22javascript:void(0);%22,e.style.fontFamily=%22wf_segoe-ui,Helvetica%20Neue,Helvetica,Arial,Verdana%22,e.style.display=%22inline-block%22,e.style.padding=%222px%205px%22,e.style.background=%22darkgreen%22,e.style.color=%22white%22,e.style.fontWeight=%22bold%22,e.style.margin=%222px%205px%22,e.setAttribute(%22data-url%22,this.getDownloadUrl()),e.setAttribute(%22data-filename%22,this.getFileName()),e.onclick=function(e){e.target.onclick=null,e.target.innerHTML=%22Downloading%20VSIX...%22;var%20t=new%20XMLHttpRequest;console.log(e.target.getAttribute(%22data-url%22)),t.open(%22GET%22,e.target.getAttribute(%22data-url%22),!0),t.responseType=%22blob%22,t.onprogress=function(t){if(t.lengthComputable){var%20r=t.loaded/t.total*100;e.target.innerHTML=%22Downloading%20VSIX...%22+r.toString()+%22%25%22}},t.onload=function(t){if(200==this.status){var%20r=this.response,n=document.createElement(%22a%22);n.href=window.URL.createObjectURL(r),n.download=e.target.getAttribute(%22data-filename%22),n.click(),e.target.href=n.href,e.target.download=n.download,e.target.innerHTML=%22Download%20VSIX%22}else%20e.target.innerHTML=%22Error.%20Please%20reload%20the%20page%20amd%20try%20again.%22,alert(%22Error%20%22+this.status+%22%20error%20receiving%20the%20document.%22)},t.onerror=function(t){e.target.innerHTML=%22Error.%20Please%20reload%20the%20page%20amd%20try%20again.%22,alert(%22Error%20%22+t.target.status+%22%20occurred%20while%20receiving%20the%20document.%20%22)},t.send()},e}},t={Version:%22version%22,Publisher:%22publisher%22,%22Unique%20Identifier%22:%22identifier%22},r=document.querySelectorAll(%22.ux-table-metadata%20tr%22),n=0;n%3Cr.length;n++){var%20i=r[n],a=i.querySelectorAll(%22td%22);if(2==a.length){var%20o=a[0].innerText.replace(/^\s+|\s+$/g,%22%22),l=a[1].innerText.replace(/^\s+|\s+$/g,%22%22);t.hasOwnProperty(o)%26%26(e[t[o]]=l)}}document.querySelector(%22.vscode-moreinformation%22).parentElement.appendChild(e.getDownloadButton()).scrollIntoView(),e})()}();
@moh-slimani
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this was helpful thanks

@kapitaali
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There's no download vsix option on my marketplace webpage, but typing by hand still works.

@smm9509
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smm9509 commented Mar 23, 2022

How do I download a version specific to Linux? The .vsix file I downloaded had precompiled binaries for Windows in it.

@guillaumegarcia13
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Seems the URL has changed to:
https://marketplace.visualstudio.com/_apis/public/gallery/publishers/${publisher}/vsextensions/${extension}/${version}/vspackage

Assuming this, here is a (very) rough bookmarklet:
javascript:(function()%7Bconst%20URL_VSIX_PATTERN%20%3D%20'https%3A%2F%2Fmarketplace.visualstudio.com%2F_apis%2Fpublic%2Fgallery%2Fpublishers%2F%24%7Bpublisher%7D%2Fvsextensions%2F%24%7Bextension%7D%2F%24%7Bversion%7D%2Fvspackage'%3B%0A%0Alet%20itemName%20%3D%20new%20URL(window.location.href).searchParams.get('itemName')%3B%0Alet%20%5Bpublisher%2C%20extension%5D%20%3D%20itemName.split('.')%3B%0Alet%20version%20%3D%20document.querySelector('%23versionHistoryTab%20tbody%20tr%20.version-history-container-column').textContent%3B%0A%0Alet%20url%20%3D%20URL_VSIX_PATTERN.replace('%24%7Bpublisher%7D'%2C%20publisher)%0A%09%09%09%09%09%09%20%20.replace('%24%7Bextension%7D'%2C%20extension)%0A%09%09%09%09%09%09%20%20.replace('%24%7Bversion%7D'%2C%20version)%3B%0A%0Awindow.open(url%2C%20'_blank')%3B%7D)()%3B

@AdamUnderstand
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It's none of my business and I just happened to run across this but ...

OMFG Ya'll R Killin' ME !!

https://github.com/AdamUnderstand/AdamUnderstand/blob/beginend/vscode-extension-offline.md.js

% % Rant Over % %

|| -- Adam Out

P.S. ~ ~ Script NOT TESTED %%

@mpql
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mpql commented Dec 29, 2022

Tested the above; it worked great. Thanks @AdamUnderstand!

@sparkle666
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This works

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