Shows the selected compression method. To select another method, use this pop-up menu.

Shows the number of frames between key frames. A lower number produces more key frames. To change this, type a new number here.

Frame differencing is on. This option saves all key frames in their entirety, but saves only the changes in frames between key frames.

To use frame differencing, click here. Not available because differencing cannot be used with the selected compressor.

To use frame differencing, click here. This option stores all key frames in their entirety, but saves only the changes in frames between key frames.

Use this pop-up menu to select from a list of common frame rates.

You can type a new frame rate here. You may use a decimal point if needed.

This sample image shows the effects of the selected compressor, with the current color and quality settings.

To see another portion of a large image, drag the pointer. To zoom in, press Option and click. To zoom out, press Option + Shift and click.

Use this slider to set the relative compression quality. 

Some compressors lock the slider in a preferred position.

Shows the setting for color or grayscale used in compression. 

To make another choice, use this pop-up menu. The choices available depend on the selected compressor.

To close this dialog box without saving any changes to the current compression settings, click here.

To close this dialog box and save any changes made to compression settings, click here.











Shows the selected compression method. To select another method, use this pop-up menu.

This sample image shows the effects of the selected compressor, with the current color and quality settings.

To see another portion of a large image, drag the pointer. To zoom in, press Option and click. To zoom out, press Option + Shift and click.

Use this slider to set the relative compression quality. 

Some compressors lock the slider in a preferred position.

Shows the setting for color or grayscale used in compression. 

To make another choice, use this pop-up menu. The choices available depend on the selected compressor.

To close this dialog box without saving any changes to the current compression settings, click here.