Java mods use individual texture files. Bedrock is optimized for (one big image). Use Sprite Packer or manually merge all textures/blocks/ into a single terrain_texture.json reference.
Converting .jar to .mcaddon takes patience, but by utilizing Blockbench and Bridge, you can bring almost any Java creation to the Bedrock world with professional results. how to convert jar to mcaddon best
textures can be moved directly, though you may need to resize them to powers of two (e.g., 16x16, 64x64). Blockbench Java mods use individual texture files
. However, you can port specific elements using specialized tools. Best Methods for Conversion but by utilizing Blockbench and Bridge
Therefore, the best way to "convert" is to strip the .jar file of its code and only keep the creative assets, then rebuild the behavior using Bedrock's JSON system.