Fishbattery Launcher

Minecraft in 2 clicks

Sync your entire setup across devices
Customize everything
Play optimized modpacks in seconds

Cloud sync • Performance presets • Fully customizable • Free to start

Download for windows All downloads View on GitHub

Free Open source Cross-device sync

What players actually use it for

2-click setup

Get started quickly with sensible defaults for modded play, without manual configuration.

Keep instances isolated and organized, so testing mods does not break your main setup.

Switch between devices without rebuilding your launcher setup.

Sync across devices

Fishbattery keeps your setup consistent across devices when you sign in.

Your setup stays familiar, with no repeated setup work.

Customization

Adjust how the launcher looks and feels to match your preferences.

Ocean OLED Creeper Custom accent Transparency controls Adjustable layout

Simple controls, no plugins required.

Install the launcher, create or import an instance, and launch.

Performance

Pre-configured settings for common modded setups.

Runs well on both high-end and lower-end systems.

Consistent defaults help performance stay stable across instances.

Why switch?

Fishbattery Other launchers

2-click setup Manual setup

Built-in optimization User config required

Sync for instances, mods, and settings Mostly device-local

Custom UI themes and accents Limited customization

About

Fishbattery is a free, open-source Minecraft launcher focused on ease of use, performance, and customization.

Manage instances, install modpacks, and keep your setup consistent across devices.