The first tool in the GBA Overworld Editing section is Overworld Editor Rebirth Edition.
Type: Sprite and Icon Editing
Compatible with: Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen
Supported OS: Windows
If you have some beautiful custom sprites from the others, or you have made them yourself… use this tool and change everything.
Editing a Pokemon sprite is not an easy thing since it is very hard and requires you have much experience in this field.
Even one small detail like the foot print of Pokemon can also be edited with Foot Print Editor (FPE for short).
Have so many different Pokemon is good, but you have to notice their icons. Change them with IconEditor, a practical tool for editing Pokemon icons.
After finish editing the Pokemon icons, let’s come to the Item icons. Change them with the Item Image Editor, feel free to do so.