ModsFinder

Sophisticated Backpacks (Unoffical Fabric port)

by Salandora

Players who want extra inventory space carry Sophisticated Backpacks, an unofficial Fabric port of the backpack mod by P3pp3rF1y.

FabricClient and serverGNU Lesser General Public License v3.0 onlyOpen source1.19.2 – 1.21.1

What it does

The backpack stores items across several slots and can be upgraded with added functions. The server and every player need the mod installed. The mod is open source under the GNU Lesser General Public License v3.0 only, and files are published for 1.20.1 with the latest one dated 2025-10-25.

Installation needs Fabric API, Forge Config API Port and Sophisticated Core (Unofficial Fabric port). Crafting Tweaks, EMI, Just Enough Items (JEI), Modern KeyBinding, Roughly Enough Items (REI) and Trinkets are optional. Builds cover 1.19.2 – 1.21.1.

Key features

  1. Backpack storage

    A wearable container that holds more items than a player inventory allows, with its contents kept between sessions.

  2. Upgrade slots

    Backpacks take upgrades that add functions such as extra slots or automated transfers, depending on the upgrade.

  3. Backpack variants

    Several backpack types with different capacities are craftable, so players can pick the size they need.

Compatibility

Latest build for each game version and loader.

1.21.11.21.1-3.23.4.3.106
1.20.41.20.4-3.20.7.101
1.20.11.20.1-3.23.4.5.110
1.19.43.19.5+mc1.19.4-build.105
1.19.21.19.2-3.20.2.22
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 3

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required
Sophisticated Core (Unofficial Fabric port)This is the Unofficial Fabric version of Sophisticated Core
Required
Forge Config API PortNeoForge's & Forge's config systems provided to other modding ecosystems. Designed for a multiloader architecture.
Required

Optional 6

Modern KeyBindingPort KeyModifier && KeyConflictContext back to Fabric & Early Forge
Optional
Just Enough Items (JEI)View Items and Recipes
Optional
Roughly Enough Items (REI)Clean and Customizable. Alternative to Just Enough Items/JEI.
Optional
TrinketsA data-driven accessory mod
Optional
EMIA featureful and accessible item and recipe viewer
Optional
Crafting TweaksAllows you to rotate, balance or clear crafting grids by the press of a button.
Optional

Embedded 1

Porting LibA collection of utilities for porting mods from Forge to Fabric.
Embedded

Required by 3 mods

Sophisticated Backpacks easier upgrade1.20.1 – 26.2Cobblemon: Trainers Backpack1.21.1Sophisticated Backpacks - MT Inventory Weight1.20.1 – 1.21.1

Questions

Does Sophisticated Backpacks need Sophisticated Core?

Yes. Sophisticated Core (Unofficial Fabric port) is a required dependency, alongside Fabric API and Forge Config API Port.

Is the mod needed on the server?

Yes. Every player and the server need a copy of the mod.

In the catalog

Sophisticated Backpacks (Unoffical Fabric port) is one of 4,058 Storage mods on ModsFinder, and one of 2,474 Storage mods for Fabric. 32,366 mods support Minecraft 1.21.1.

Storage mods4,058Fabric modsMods for 1.21.132,366

More from Salandora

All projects
Sophisticated Core (Unofficial Fabric port)1.19.2 – 1.21.1Sophisticated Storage (Unofficial Fabric port)1.19.2 – 1.21.1Sophisticated Storage in Motion (Unofficial Fabric port)1.20.1 – 1.21.1RideablePolarBears1.20.1 – 1.21.8RideableRavagers1.20.1 – 1.21.8Sophisticated Fabric Lib1.20.1 – 1.21.1

Similar mods

Mouse Tweaksb1.7.3 – 26.3Inventory Profiles Next1.14.1 – 26.3Clumps1.10.2 – 26.3Shulker Box Tooltip1.16.5 – 26.3Traveler's Backpack1.12.2 – 26.3Tom's Simple Storage Mod1.15.2 – 26.3

What the author says

This is the Unofficial Fabric version of Sophisticated Backpacks For more information please check the official page of Sophisticated Backpacks by P3pp3rF1y.
Salandora, on the Modrinth page

Official listing

Owner
Salandora
Published
2024-04-28
Updated on Modrinth
2025-10-25
Facts verified
2026-10-15

Tags

EquipmentStorage
Open on ModrinthCompare