New in this version: batch resizing, paletted png saving, checks-lines dithering in DynamicHires, ham6/8 palette length adjustment, additional ham6/8 cli quality factor parameters.

Download:
Main mirror (all stable and testing versions)
External mirror

Changelog:

• HAM6/HAM8: number of used palette colors can be selected (image will only use first X colors, unused palette slots will be filled with last used color).
• Batch mode: added batch resizing. Batch conversion can now also change image resolution using incremental bicubic scaling.
• Paletted png saving (_indexed_output.png file) in 2-256-color modes.
• Checks-lines dithering available in 2-256-color modes and DynamicHires.
• Modified mode list order – modes grouped by platform.
• Additional HAM quality factor parameters can be used in cli mode:
  • ham6_qX where X=0-7
    • 7 ham6_slowest
    • 6 ham6_slow
    • 5 ham6_normal
    • 4 ham6_normal_turbo
    • 3 ham6_fast
    • 2 ham6_faster
    • 1 ham6_fastest
    • 0 ham6_ludicrous
  • ham8_qX where X=0-3
    • 3 ham8_slow
    • 2 ham8_normal
    • 1 ham8_fast
    • 0 ham8_fastest