PNG to Spectrum Next 9-bit Asset Converter

Source PNG

Scale

Brightness

100%

Dither

Palette

Choose a PNG to begin.

Asset size-

Raw image bytes-

Palette bytes512

Colours used0 / 256

Source

Converted 9-bit indexed preview

256-colour palette

Unused entries are black.

Exports: image is one byte per pixel, left-to-right/top-to-bottom, containing palette indexes 0–255. Binary palette is 512 bytes, two bytes per entry: byte 1 is RRRGGGBB using the top two blue bits, byte 2 bit 0 is the final blue bit. Other byte 2 bits are zero.