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FastBack
What it is
FastBack is a free Minecraft mod for incremental Java world backups: snapshots save changed parts of a world rather than repeating the whole world each time. It can store backups locally or send them to another Git repository or a network drive, including one without a Git server. Automatic backups can run when a world shuts down or after Minecraft autosaves, with a configurable minimum wait between runs. A snapshot can be restored as a separate world copy, leaving the current world files unchanged. Retention choices include daily, fixed-count, GFS, and all snapshots; backups can also include mod jars and configuration files. FastBack works on Minecraft clients and dedicated servers on Linux, Mac, and Windows, with separate Fabric and NeoForge mod files listed. It requires native Git and Git LFS to be installed and available on the Minecraft process PATH. Garbage collection can take more than five minutes, and the documentation recommends running git gc directly for worlds larger than 1 GB. The mod is distributed under GNU Public License version 2, and modpack use requires attribution with a link to its project page.
For and against
For
- Stores only changed world data in snapshots
- Can back up locally or to remote destinations
- Automatic runs can follow shutdowns or autosaves
- Restores a snapshot as a separate world copy
Against
- Requires native Git and Git LFS
- Garbage collection can take over five minutes
- Modpack use requires attribution and a project link
The verdict
FastBack combines incremental snapshots, automatic backup options, and several retention policies. Plan for its Git and Git LFS requirements, and allow for potentially lengthy garbage collection.
Who it suits
FastBack suits Minecraft Java players and server operators who want incremental backups stored locally or remotely. It requires native Git and Git LFS on the Minecraft process PATH.
On the record
- Automation
- Backups can run automatically when a world shuts down or after Minecraft autosaves.pcal43.github.io · read 29 Sep 2026
- Backup storage
- It supports local backups and remote backups to Git servers or network volumes.pcal43.github.io · read 29 Sep 2026
- Compatibility
- The maker’s site says FastBack works on Linux, Mac, and Windows, and on Minecraft clients and dedicated servers.pcal43.github.io · read 29 Sep 2026
- Dependency
- FastBack requires native Git and Git LFS to be installed and available on the Minecraft process PATH.pcal43.github.io · read 29 Sep 2026
- Disk-space limit
- Garbage collection can take more than five minutes, and the documentation recommends running git gc directly for worlds larger than 1 GB.pcal43.github.io · read 29 Sep 2026
- Download formats
- The download listing shows separate Fabric and NeoForge mod files.curseforge.com · read 29 Sep 2026
- Integrations
- FastBack supports LuckPerms permissions and remote backups to Git servers such as GitHub.pcal43.github.io · read 28 Sep 2026
- License
- FastBack is distributed under GNU General Public License version 2.pcal43.github.io · read 29 Sep 2026
- Local backups
- The mod can back up worlds locally and restore a snapshot as a copy of the world.pcal43.github.io · read 28 Sep 2026
- Mod files
- Backup snapshots can include mod jars and configuration files.pcal43.github.io · read 29 Sep 2026
- Notifications
- On dedicated servers, FastBack broadcasts a message before a backup starts by default, and the message can be configured.pcal43.github.io · read 29 Sep 2026
- Permissions
- Dedicated-server backup commands are limited to level 4 operators by default, with fine-grained permissions available through LuckPerms.pcal43.github.io · read 29 Sep 2026
- Purpose
- FastBack is a Minecraft mod that creates incremental world backup snapshots, saving only changed parts of the world.pcal43.github.io · read 29 Sep 2026
- Remote backups
- Backups can be sent to another Git repository or to a network drive without a Git server.pcal43.github.io · read 28 Sep 2026
- Requirements
- FastBack requires native Git and Git LFS to be installed.pcal43.github.io · read 28 Sep 2026
- Restore
- You can restore a snapshot as a separate world copy; restoring does not change the current world files.pcal43.github.io · read 29 Sep 2026
- Retention
- FastBack supports daily, fixed-count, GFS, or all-snapshots retention policies; its default keeps the last snapshot from each day and all snapshots from the last three days.pcal43.github.io · read 29 Sep 2026
- Scheduling
- Backups can run when a world shuts down or after Minecraft autosaves, with a configurable minimum wait between automatic backups.pcal43.github.io · read 28 Sep 2026