Liquid Resize (or Seam Carving) effect is one of the standout features of NCH PhotoPad
It is strongly recommended to utilize legitimate open-source alternatives like GIMP or Paint.NET, or to purchase a license if PhotoPad specifically is required for workflow compatibility. photopad image editor registration code
PhotoPad offers different editions depending on your needs. You can purchase licenses directly from the NCH Software Store: Liquid Resize (or Seam Carving) effect is one