Question 1

Is the Minecraft resource pack merger free?

Accepted Answer

Yes — it is completely free to use, with no account and no limits.

Question 2

Are my resource packs uploaded anywhere?

Accepted Answer

No. Everything runs locally in your browser; your packs never leave your device.

Question 3

Does it work with OptiFine and PBR resource packs?

Accepted Answer

Yes — OptiFine/CIT/CEM references and PBR material sets (normal/specular) are detected and preserved during the merge.

Question 4

Which Minecraft edition does it support?

Accepted Answer

Minecraft Java Edition resource packs. Bedrock Edition is not supported.

Question 5

Which Minecraft versions are supported?

Accepted Answer

Java Edition packs from 1.6.1 up to 1.21.5 (pack_format 1 through 46), and you can port the merged pack to a different target version.