How to Compress CleanShot X Screen Recordings & Reduce Video Size

CleanShot X is a widely used tool for capture on macOS. However, many users on Reddit complain about video file sizes. Because CleanShot captures at native resolution with high bitrates, a 5-minute recording can easily exceed 400 MB.

Furthermore, exporting long recordings at "Ultra" quality can take a long time, often requiring a 1:1 time ratio relative to the video length.

Sharing these large files over Slack or email is slow. Here is how to optimize CleanShot X to output smaller files without making your text look blurry.

1. Optimize Your CleanShot X Video Settings

You can adjust CleanShot's settings to lower file size before you hit record:

1. Open CleanShot X preferences.
2. Go to the Video tab.
3. Lower the Frame Rate from 60 FPS to 30 FPS. For tutorials and demos, 30 FPS is perfectly smooth and reduces file size by half.
4. Set the Video Quality to High instead of Ultra. The visual difference is minimal, but the file size compression is significant.

2. Compress Saved Videos with Handbrake

If you have already recorded a large file, you can compress it locally using Handbrake:

1. Download and open Handbrake.
2. Drag your massive .mp4 or .mov file into the app.
3. Select the Video tab and set the Video Encoder to H.265 (Apple VideoToolbox).
4. Set the Constant Quality to 22-24.
5. Click Start to run the compression.

3. Limit Your Capture Region

Instead of recording your entire 4K display, select only the window or region you are demonstrating. Recording a 1920x1080 crop of your screen instead of a full 3840x2160 screen reduces the pixel count by 75%, keeping your output files small and readable.

The Modern Solution: Optimized Native Encoding

Manually adjusting frame rates or running files through compressor tools adds unnecessary friction to your workflow.

ScreenKite solves this natively. Because it is written specifically for Apple Silicon hardware, its export pipeline optimizes encoding bitrates in real-time. You get 1080p or 4K videos with crisp, readable code and text, but with small, web-optimized file sizes ready to share instantly.