Minecraft resource pack optimizer

Resource packs

Compress PNGs, JSON and ZIPs without pixel changesLearn more

Compress archive, JSON, and suitable PNG files without altering pixels. PNG metadata and unknown files are preserved. If the archive is already smaller than the result, retrieve the original file.

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Contains 2048 files and 32 MB after unpacking. The download is temporarily stored on the server for one hour; the result link is not indexed by search engines.

Result

Select the file and run the processing. Ready results will appear here.

After processing

Place the archive in the packs folder and enable it in your Minecraft version. For a resource pack, reload resources with F3 + T; for a datapack, use /reload and check the game log.

Minecraft pack validator · Compress pack · Version conversion

Syntax pack.mcmeta depends on your Minecraft version. The report does not execute commands, validate every detail of Minecraft's JSON formats, or fetch external resources.

Frequently asked questions

How to reduce the resource pack size without losing quality?

Upload a ZIP: the tool will compress the archive, JSON, and appropriate PNG files without altering pixels. Page displays sizes before and after.

What happens if the pack is already well-compressed?

If the new archive is larger than the original, the download will return the original bytes. In this case, savings are zero.

More resource pack tools

Build a resource pack with your own crosshair, interface, textures, sounds and menus. Repair, merge and convert existing packs.

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In the wiki: How to make a resource packHow to install a resource pack

Explore more: Browse resource packsShaders

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