Features

Kepler's out-of-the-box optimized profiles, automatic configuration, and in-game tools.

Glowing cube and energy beam rising to the sky from a chest

ONE-CLICK START

OUT-OF-THE-BOX OPTIMIZED PROFILE

Ready-to-use optimized profile out of the box. JVM, memory (heap) settings, and mod selection are pre-configured for your hardware.

Fast-moving light trails and sunrise scenery

TAILORED TO YOUR HARDWARE

CALIBRATION FOR YOUR HARDWARE

In-launcher 2‑3 minute calibration tests 3-4 candidate profiles and selects the winning profile for your hardware.

Mod cubes and jigsaw pieces arranged in concentric rings in space

MODRINTH POWERED

EXTENSIVE MOD CATALOG

Mod catalog starting with Modrinth. Mod compatibility is checked for your game version directly via Modrinth.

Glowing cup and Java chip floating in a night landscape

AUTOMATIC JAVA

CORRECT JAVA AUTOMATICALLY

The correct Java version is automatically selected from Mojang's version manifest. Mods and Java are downloaded from official sources; Kepler does not distribute modded game packages.

In-game features

In development

HUD Modules

Track FPS, ping, CPS, coordinates, armor status, and key display on your screen.

Keybinds & Profile Settings

Configure custom keybinds and personalized settings saved per profile.

Performance Mode

Installs the Kepler performance pack and suggests settings from calibration.

Mod Manager

Modrinth integration with conflict warnings to manage your mods smoothly.

Crash Analysis

Log masking and likely-cause list to diagnose crash causes quickly.

System Requirements and Compatibility

Check system requirements and candidate profiles live based on your PC hardware.

Featured Capabilities