
Modrinth · Minecraft mod
BetterChunkBorders
Makes those ugly borders better. Has custom keybind and colors!
Quick answer
Which BetterChunkBorders release matches 26.1.2?
BetterChunkBorders 1.1 targets 26.1, 26.1.1, 26.1.2 with Fabric. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.
Where it goes
Is BetterChunkBorders required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does BetterChunkBorders 1.1 need?
1.1 on 26.1.2. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add BetterChunkBorders without breaking your instance.
Built for BetterChunkBorders 1.1 on 26.1.2. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.1. It targets 26.1, 26.1.1, 26.1.2 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.1. It opens that exact file at the source.
About this project
What does BetterChunkBorders add?
Better Chunk Borders

Better Chunk Borders is a lightweight, client sided utility mod that brings chunk boundaries with fully customizable grid lines. Whether you are planning intricate builds, hunting slime chunks, or making redstone stuff and contraptions, this mod gives you precise chunk awareness at a glance without looking ugly.
Features
Sleek Custom GUI & Easy Keybinds
- Press B (default) to instantly open the intuitive, custom-designed settings panel.
- Toggle chunk borders on and off directly from the menu.
- All settings are automatically saved to your configuration file.
Flexible Grid Spacing
- Display chunk borders as vertical grid lines extending 64 blocks above and below your position.
- Adjustable Line Spacing: Cycle the grid density along the chunk walls to show lines every 16, 8, 4, 2, or 1 block.
- Keeps the inside of your chunks clear while perfectly outlining the perimeter.
Extensive Customization
- Infinite Colors: Dial in your exact preference using the custom Red, Green, and Blue (RGB) sliders.
- Line Thickness: Adjust the thickness of the borders from thin and subtle to thick and bold.
- Opacity Control: Fine tune transparency to reduce visual clutter.
- Alternate Y Colors: Toggle a mode that inverts the border colors every alternating block along the Y axis, making it incredibly easy to count blocks and gauge depth.
Performance-Optimized
- Minimal impact on frame rates thanks to efficient rendering.
- Only renders what you see.
Use Cases
- Build Planning: Align structures perfectly with chunk boundaries for optimal organization.
- Slime Chunk Hunting: Quickly identify chunk borders to locate slime gen chunks.
- Farm + Redstone Optimization: Ensure technical builds span chunks correctly for maximum efficiency.
- Navigation: Always know which chunk you are in at a glance.
Getting Started
- Press B to open the settings menu.
- Click Borders: OFF to toggle them ON.
- Customize your RGB color, opacity, line thickness, and grid spacing to your preference.
- Click Done and apply your new settings.
Compatibility
- Minecraft Versions: Fully compatible with 1.21.x and 26.x
- Server Compatibility: Works on any server without the need for special permissions, plugins, or setup.
- Client-Side Only: Install strictly on your client.
Project description from Modrinth.
Pick your setup
BetterChunkBorders by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader build1.21.3
1 loader buildShowing the newest 12 of 15 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
BetterChunkBorders versions and loaders
1.1
26.1.jar
5 Jun 2026
Looking for an older file? The official Modrinth project page is in Resources.