Merging resource packs can be a useful tool for when you want to take advantage of the visuals from multiple resource packs. Using an online tool, you'll be able to take resource packs and merge them into one.
1. Go to Elmakers Merging site
2. Upload both resource pack zip files that you want to merge.
3. You can combine more packs by merging two, then merging the merged pack with a new one.
4. Follow these steps to install the resource pack on the server.