
Modrinth · Minecraft mod
Custom Block Highlight
Revitalize the block outline.
Quick answer
Which Custom Block Highlight release should I use?
Custom Block Highlight 2.8.1+26.1.x 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. All 2 required mods have matching files.
Where it goes
Is Custom Block Highlight 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 Custom Block Highlight 2.8.1+26.1.x need?
2.8.1+26.1.x. Change the file and its required mods may change too.
Install YetAnotherConfigLib (YACL), Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Custom Block Highlight without breaking your instance.
Built for Custom Block Highlight 2.8.1+26.1.x. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 2.8.1+26.1.x. 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
Install YetAnotherConfigLib (YACL), Fabric API first. We found matching files for this game-version and loader setup.
- 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 2.8.1+26.1.x. It opens that exact file at the source.
About this project
What does Custom Block Highlight add?

This mod provides powerful options to make the block outline look interesting for once.
Features include:
- Rainbow coloring (and gradients)
- Selective rendering of sides based on conditions (air exposed sides only, for example)
- Animations (scaling, movement, and fading)
- Support for connected blocks
- Scale adjustment
- Drawing above other terrain (yes. means you can see it through walls)
- Utilities for CPVP players
- Copying and loading configurations from files, alongside presets
- Cutting away lines at corners or centers
- Entity hitbox, fluid source block support, and block model support
- Line layers
Project description from Modrinth.
Pick your setup
Custom Block Highlight by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
1 loader build26.1.2
1 loader build26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.10
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 23 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
Custom Block Highlight versions and loaders
2.8.1+26.1.x
blockhighlight-26.1-2.8.1.jar
2 Aug 2026
2.8.1+1.21.11
blockhighlight-1.21.11-2.8.1.jar
22 Jul 2026
2.8+26.1
blockhighlight-26.1-2.8.jar
16 Jul 2026
2.8+26.2
blockhighlight-26.2-2.8.jar
14 Jul 2026
2.7
blockhighlight-26.2-2.7.jar
5 Jul 2026
2.7
blockhighlight-26.1-2.7.jar
14 Apr 2026
2.7
blockhighlight-1.21.5-2.7.jar
13 Apr 2026
2.7
blockhighlight-1.21.6-2.7.jar
13 Apr 2026
2.7
blockhighlight-1.21.7-2.7.jar
13 Apr 2026
2.7
blockhighlight-1.21.8-2.7.jar
13 Apr 2026
2.7
blockhighlight-1.21.10-2.7.jar
13 Apr 2026
2.7
blockhighlight-1.21.11-2.7.jar
13 Apr 2026
Looking for an older file? The official Modrinth project page is in Resources.