Cropdragon

Extension for Premiere Pro that Automatically apply Crop effect along alpha channel.

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  $20.00
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Description


Cropdragon is an extension that uses PremierePro's standard effect "Crop". Get the alpha channel of the clip and apply the best top/bottom/left/right crop. Essential Graphics, Photoshop, PNG, TIFF, etc., can be used if the clip has an alpha channel.

Features

C1

1. Motion Crop / Crop Effect

Clicking this area will switch the operation target to Motion Crop/Crop Effect.


2. Convert Crop

Swaps the values ​​of the Motion Crop and Crop effect.


3. Auto Crop

Each click will crop the alpha channel gap in forward order. Shift + click to crop in reverse order. Opt (alt) + click to crop along the alpha channel.⌘(Ctrl) + click to set the value of the crop effect to 0.


4. Numeric Values

Clicking on a number allows you to enter any value. Four arithmetic operations are also supported. Use the up/down keys to adjust ±1, and with Shift key to adjust ±10. It can also be adjusted by mouse dragging (up/down or left/right) of the values.


5. Link

Clicking the link line several times will set the link to left/right, top/bottom, or top/bottom/left/right and adjust the crop by the same value.


6. Unit

You can choose the display unit from px (pixels) or % (percent).


7. Add Crop Effect

Adds a Crop effect to a selected clip. Opt(alt) + click to crop top/bottom/left/right along the alpha channel.


8. Reset to Default

Set the value of the applied crop effect to 0.

The "Reset to Default" button allows you to reset the alpha channel information temporarily stored in Cropdragon. If Auto Crop no longer works, try deleting the effect once or clicking this button.


9. Delete

Deletes the applied crop effect.


10. Horizontal Flip

Swaps the left and right values of the applied crop effect.


11. Vertical Flip

Swaps the top and bottom values of the applied crop effect.


12. Settings

Click to open the settings window.

Layout Settings

C2

Select a layout from All, Horizontal, and Vertical.

Click the icon to select the functions that will be displayed when Horizontal or Vertical layout is selected.

You can choose from five different colors.

If you check the Color Icon checkbox, the icon will always be displayed in the selected color.

C3

日本語の解説はこちらをクリック↓

note「Cropdragonl(日本語)」

Discussions

Want to talk about it?

Head over to r/aescripts to chat with fellow users about this product.

Need Support?

Please open a support ticket to be connected directly with the author of this product

Version History

1.1.1 -

Mar 19, 2026

bug fixed

1.1.0 -

Feb 27, 2026

bug fix
support Motion Crop

1.0.1 -

Jul 25, 2024

-First release in aescripts

Compatibility

Premiere Pro

2026, 2025, 2024, 2023, 2022

EULA

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Updated: Oct 21, 2025 1:35 AM