Cropdragon

1. 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.

2. 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.

3. 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.

4. Unit

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

5. Add Crop Effect

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

6. 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.

7. Delete

Deletes the applied crop effect.

8. Horizontal Flip

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

9. Vertical Flip

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

10. Settings

Click to open the settings window.