テーマ

https://marketplace.visualstudio.com/items?itemName=PKief.material-icon-theme
https://marketplace.visualstudio.com/items?itemName=azemoh.one-monokai
https://marketplace.visualstudio.com/items?itemName=will-stone.plastic

エディターの中のハイライト等

https://marketplace.visualstudio.com/items?itemName=usernamehw.errorlens
https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens
https://marketplace.visualstudio.com/items?itemName=oderwat.indent-rainbow
https://marketplace.visualstudio.com/items?itemName=mechatroner.rainbow-csv
https://marketplace.visualstudio.com/items?itemName=cliffordfajardo.highlight-line-vscode
https://marketplace.visualstudio.com/items?itemName=kisstkondoros.vscode-gutter-preview

コードの変換

https://marketplace.visualstudio.com/items?itemName=wmaurer.change-case
https://marketplace.visualstudio.com/items?itemName=Asuka.insertnumbers
https://marketplace.visualstudio.com/items?itemName=Tyriar.sort-lines
https://marketplace.visualstudio.com/items?itemName=BriteSnow.vscode-toggle-quotes

日本語

https://marketplace.visualstudio.com/items?itemName=MS-CEINTL.vscode-language-pack-ja
https://marketplace.visualstudio.com/items?itemName=sgryjp.japanese-word-handler

その他

https://marketplace.visualstudio.com/items?itemName=ms-vscode.hexeditor
https://marketplace.visualstudio.com/items?itemName=mhutchie.git-graph
https://marketplace.visualstudio.com/items?itemName=ryu1kn.partial-diff
https://marketplace.visualstudio.com/items?itemName=styled-components.vscode-styled-components
https://marketplace.visualstudio.com/items?itemName=mkxml.vscode-filesize

選択範囲のコードを画像化して共有しやすくする（twitterでたまに見るやつ）
https://marketplace.visualstudio.com/items?itemName=adpyke.codesnap