Resourcesideloader
by .t4bzzz
Resourcesideloader lets a client fetch mods and resource packs from URLs listed in its configuration, without manual file handling.
What it does
Resourcesideloader reads a list of configured URLs and fetches the mods and resource packs they point to, then places them in the game folders. Files can be in .zip or .jar form, and the mod handles both without extra steps. Fetching runs when the game starts, so the client has its content ready before the main menu loads.
Each time the game starts, the mod compares stored hashes with the remote files and fetches only the resources that have changed since the last check. A cooldown setting controls how long the mod waits between update checks, so the server side of the request is not hit on every launch. The mod runs on Fabric for Minecraft 1.21.1 and is released under the MIT License, but the code is not open source.
Installation needs the Fabric Loader and the Fabric API for the 1.21.1 release, along with the Resourcesideloader file itself. Players add it to their own game, and a server needs no copy.
Key features
Automatic installs
Mods and resource packs from the configured URLs are fetched and installed without the player opening a browser or file manager.
Multiple file formats
Files can be .zip or .jar, so both resource packs and mods are covered by the same configuration.
In-game configuration
A configuration screen opens with the F8 key, and the key itself can be changed in the controls settings.
Hash-based updates
Only resources whose hash has changed are fetched again, which keeps repeated launches from pulling unchanged files.
Adjustable update cooldown
The wait time between update checks can be set, so checks happen at the interval the player prefers.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
How it compares
Server ResourcePack Manager is server-side only and open source under the GNU Affero General Public License v3.0 only, with files for 1.21.10 – 1.21.11, so it manages packs from the server and needs nothing on the client. Remember Url Hashes is client-side only and open source under the MIT License, published for 1.21.1 – 1.21.8, which covers hash tracking for URLs but not the 1.21.1 build target of this mod. Resourcesideloader is the only option here that is client-side only and published for 1.21.1 alone.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Resourcesideloader | Fabric | 1.21.1 | Client-side only | 2025-05-15 |
| Server ResourcePack Manager | Fabric | 1.21.10 – 1.21.11 | Server-side only | 2025-12-21 |
| Remember Url Hashes | Fabric | 1.21.1 – 1.21.8 | Client-side only | 2025-08-13 |
Questions
Does Resourcesideloader need Fabric API?
Does a server need Resourcesideloader installed?
Which game version does Resourcesideloader support?
In the catalog
Resourcesideloader is one of 8,016 Management mods on ModsFinder, and one of 5,930 Management mods for Fabric. 32,366 mods support Minecraft 1.21.1.
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What the author says
License This mod is available under the MIT License.
Official listing
- Modrinth page
- modrinth.com/mod/resourcesideloader
- Owner
- .t4bzzz
- Published
- 2025-05-15
- Updated on Modrinth
- 2025-05-15
- Facts verified
- 2026-10-15