# Finder Tips & Extensions

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### Highlight Temporary Data

Temporary files such as app downloads, receipts, and screenshots have a way of multiplying in number super fast. Yes, you need to keep them for a while, but they often get in the way. Mark such future junk files with a _temp_ (“temporary”) tag.

{{< image src="/images/finder-temporary-tag-670x340.jpg" caption="Finder Temp Tag"  src-l="/images/finder-temporary-tag-670x340.jpg" linked=true  >}}

### Highlight Task-Related Data

Setup an "_Action_" tag for files that need relatively quick action. Like renaming, sharing, organizing, and the like.

### Install Quick Look Extensions

#### Markdown Preview

Install [QLMarkdown](https://github.com/toland/qlmarkdown) extension:

```shell
brew cask install qlmarkdown
```

To enable text selection in [QLMarkdown](https://github.com/toland/qlmarkdown), run:

```shell
defaults write com.apple.finder QLEnableTextSelection -bool TRUE; killall Finder
```

#### Video Thumbnail Preview

[QLVideo](https://github.com/Marginal/QLVideo) adds support for more video types.

```shell
brew cask install qlvideo
```

#### Add Support for More Text Files

[QLStephen](https://github.com/whomwah/qlstephen) will allow quick look to show more file types.

```shell
brew cask install qlstephen
```