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---
id: cli
title: CLI
---
KaTeX installed [using Node.js package managers](node.md) comes with a
built-in command-line interface (CLI) which can be used to render TeX to HTML.
By default, CLI will take the input from standard input.
```bash
npx katex
```
> Above uses the `npx` command to run the locally installed executable
after `npm install katex`. You can also execute with the relative path:
`./node_modules/.bin/katex`
> To use the CLI from local Git clone, you need to build the project first.
See [Building from Source](node.md#building-from-source) for more details.
## Options
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