Search for "[Mod Name] Bedrock Addon" before attempting a conversion. Chances are, a talented community member has already done the hard work for you.
"uuid": "uuid-of-your-resource-pack", "version": [1, 0, 0] convert jar to mcpack top
Here is the guide on how to handle this conversion, ranging from easy tools to manual advanced methods. Search for "[Mod Name] Bedrock Addon" before attempting
If you want a Java mod on Bedrock: