---
title: "Code Diff"
description: "An edit shown as a colored diff — removed lines collapse in red, added lines expand in green."
---

An edit shown as a colored diff — removed lines collapse in red, added lines expand in green.

`code` `code-animation` `diff` `developer`

<video className="w-full aspect-video rounded-xl object-cover bg-zinc-100 dark:bg-zinc-800" src="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/code-diff.mp4" poster="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/code-diff.png" autoPlay muted loop playsInline />

## Add it to a project

<Tabs>

<Tab title="Ask your agent">

```text
Add the Code Diff block from the HyperFrames Catalog to this project.
Replace the demo content with mine and match the existing design and timing.
```

</Tab>

<Tab title="Terminal">

```bash
npx hyperframes add code-diff
```

</Tab>

</Tabs>

## Details

| Property | Value |
| --- | --- |
| Type | Block |
| Dimensions | 1920×1080 |
| Duration | 6s |

**Installed files**

| File | Target | Type |
| --- | --- | --- |
| `code-diff.html` | `compositions/code-diff.html` | hyperframes:composition |

## Use it

Ask your agent to replace the example content, match the project style, and place the block at the right moment in the video.

**Wiring it by hand.** The installed block can be added to a host composition with:

```html
<div data-composition-id="code-diff" data-composition-src="compositions/code-diff.html" data-start="0" data-duration="6" data-track-index="1" data-width="1920" data-height="1080"></div>
```