Tutorial

1. Open the image.
2. Select [Image] > [Color Reduction] from the menu.
3. Select [Reduction setting] > [Output] and change the settings according to the usage.

    

   

4. For images preserving the alpha channel, select [Reduction setting]

    

   > [Alpha], then check “Color Reduction with Alpha Channel.” Adjust the other items as necessary.

5. Click the [Reduction] button to start execution.

Further compressing PNG file sizes　SD

1. Open the image.
2. Select [Image] > [PNG24 High Compression Processing] from the menu.
3. Adjust the image quality to the desired level using the “Filter Level” slider.

    

   

4. Save to a PNG file.

1. Open the image.
2. Select [Image] > [Image Conversion] from the menu.
3. Select PVRTC 4bpp in “Convert Format.”

    

   * Note: When using Unity, be sure to check “PVR Vertically Flip”.

4. The lower “PVRTC 4bpp Settings” level becomes active, so check “High image quality with Clear PVRTC.”

    

   

5. Adjust the “Improved Color Reproducibility” slider to match the priorities for image quality and processing speed.
6. Change “Improved image quality for transparent boundaries” as necessary according to the usage.
7. Click on the “OK” button to start execution.
8. Saves in the PVR format. No conversion is necessary since PVRT 4bpp was selected in the save settings from the start.

    

   

1. Open the image.
2. Select [Image] > [Image Conversion] from the menu.
3. Change to RGBA4444 or RGBA5551.

    

   

4. Saves in the PVR file. Select the same texture format as selects in [Image Conversion].

    

   * Procedure when using with Unity