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ZIP to MRPACK Converter

Folder, ZIP or jars to .mrpack Runs in your browser
Drop a folder, a ZIP or mod files An instance or mods folder, a CurseForge or Prism export, or loose .jar files.
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Minecraft—
Loader—
Mods—
Files in—
What goes inLogs, worlds, screenshots, map caches and your server list stay out unless you check them.
Your files stay on this device

Pack details

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Mods, resource packs and shaders

FileFound asSizeStatus
Linked files are downloaded by the launcher; the rest travel inside the pack.

Progress

Waiting
—%
0 of 0 MB
Drop files to start
Linked—
Files inside—
Pack size—
Read in your browser

How to turn a ZIP into an mrpack

3 steps
Drop your filesAn instance folder, a mods folder, or a ZIP exported from CurseForge or Prism. The game folder inside is found for you.
Check the detailsMinecraft and loader versions come from the export, or are read from the mods. Correct them if they are off.
Create the .mrpackFiles Modrinth hosts become links with their hashes; everything else goes inside. Open it in the Modrinth App or Prism.

What goes where in the pack

.mrpack

Every file you drop goes to one of four places in the pack, or is left out. Only files Modrinth hosts can be links; everything else travels inside.

Mods, resource packs and shaders Modrinth hostsThe same file, byte for byte
a link in modrinth.index.json
Other mods, and jars someone changedFrom another site, or edited
overrides/mods/
Mods made for one side onlyAs their own metadata says
client-overrides/, server-overrides/
Configs, options.txt, KubeJS scriptsChecked by default
overrides/
Worlds, logs, screenshots, map caches, server listUnchecked by default
left out
Inside the packA link, downloaded by the launcherLeft out

From CurseForge, Prism or a plain folder

7
Where it is nowWhat to dropHow to get it
CurseForge appInstance folderOn the modpack’s page, open the ⋯ menu and choose Open Folder. Drop that folder.
CurseForge export ZIPZIP + mods folderThe export lists its mods as CurseForge numbers only. Drop it together with the instance’s mods folder.
Prism Launcher, MultiMCInstance or exportSelect the instance and click Folder, or use Export Instance and drop the ZIP.
ATLauncher, GDLauncherInstance folderOpen the instance’s folder from its menu and drop it.
Official launchermods and configDrop the mods and config folders from .minecraft. The versions are read from the mods, so check them.
A RAR or 7z fileUnpack it firstThis page reads ZIP only. Unpack it with 7-Zip or a similar tool and drop the folder.
Loose .jar filesThe jarsPick them all at once. They go into mods/.

Other ways to make an .mrpack

3

If the pack already lives in the Modrinth App or Prism, their own export is the quickest way. This page is for everything else.

Modrinth AppOpen the instance, click the ⋯ menu and choose Export modpack. Pick the files to include and save.
Prism LauncherSelect the instance, click Export and choose Modrinth. It looks files up on Modrinth the same way.
packwizFor pack authors who keep the pack as .toml files in a folder: packwiz modrinth export writes the .mrpack.

When something goes wrong

6
The Minecraft or loader version is wrongThey come from the export, or from a vote among the mods, and a few old or very new mods can tip it. Copy the versions from the launcher’s instance page. Forge mods often give only the major version, so fill in the exact one.
A mod from Modrinth went insideYour jar isn’t exactly Modrinth’s file: another build, a version Modrinth no longer lists, or a copy from another site. Download that version from Modrinth, put it in place of yours and create the pack again.
Every file went insideThe lookup was off, or Modrinth couldn’t be reached (offline, or an extension blocking api.modrinth.com). The pack still works; try again later for links and a smaller file.
“This is already an .mrpack”It is already in Modrinth’s format. To turn it into a ZIP, use the mrpack to ZIP converter.
The launcher won’t import itCheck that the loader version exists for that Minecraft version. Client-only mods sit in client-overrides/, so a server install leaves them out on purpose.
The pack is very largeWorlds or caches were checked, or many mods aren’t on Modrinth. Uncheck what players don’t need; a linked file adds only one line.

Questions

8

Can a CurseForge modpack become an mrpack?

Yes, with its mods folder

A CurseForge export names its mods by CurseForge number only, and those files can’t be fetched without a CurseForge API key. Drop the export together with the instance’s mods folder (in the CurseForge app: the profile’s menu, Open Folder) and every mod is linked or packed in.

Why are some files inside the pack instead of linked?

Not on Modrinth

Only files Modrinth hosts can be links. A mod from another site, or a jar someone changed, has a different fingerprint, so it goes into overrides/, which launchers copy as is. The pack works either way; it is just bigger.

Can I upload the result to Modrinth?

Only if every file may be shared

Modrinth reviews files inside a pack and asks for the authors’ permission for mods it doesn’t host. A pack where every mod is linked is the easy case; for the rest, ask the authors or switch to their Modrinth versions.

Is anything uploaded?

No

Your files are read in this browser tab. With Modrinth lookup on, only the SHA-1 fingerprints of mods, resource packs and shaders are sent to Modrinth’s API; with it off, nothing leaves your device.

What happens to configs, worlds and settings?

You choose

Config files, options.txt, KubeJS scripts and the like go in by default. Worlds, logs, screenshots, map caches and your server list stay out unless you check them.

Which launchers open the .mrpack?

Most

The Modrinth App and Prism Launcher open it directly, as do ATLauncher, GDLauncher and HMCL. For a launcher that wants a ZIP, turn it back with the converter on this site.

Can I put an .mrpack in the mods folder?

No

The mods folder takes .jar files. An .mrpack is opened by a launcher, which builds a new instance from it: in the Modrinth App or Prism, use Import. For a launcher without import, convert it to a ZIP on this site first.

Does the .mrpack include Fabric or Forge?

Its exact version

It names Minecraft and the loader with exact versions, and the launcher installs them when you import. That’s why the versions in Pack details matter.