ModsFinder

Letterboxed

by technicfan

Letterboxed adds black bars to the top and sides of the 3D world so a chosen aspect ratio is kept on any monitor, such as 16:9 or 16:10.

FabricClient-side onlyMIT LicenseOpen source1.21.11 – 26.3

What it does

The mod keeps a set aspect ratio by drawing black bars around the game view, which suits players on a 16:10 monitor who want a 16:9 picture. The ratio is configured with the letterboxed command, either by typing the ratio directly or by giving a width and a height. Setting the ratio back to 0 turns the effect off, and a reset returns the mod to its default state.

The bars cover only the 3D world, not the interface, so the menus and HUD are drawn as usual. Known limits include bars that can overlap hands and other important parts of the view at high or low ratios, and screens that sometimes get cut off near chat and hover tooltips. The author plans to fix these in future releases and may add a configuration screen later.

Letterboxed is client-side only, so only the player needs it and a server does not. It requires Fabric API, and files are published for Fabric only, for 1.21.11 and the 26.1 – 26.3 builds, with 1.0.2 for 26.3 as the latest file. The code is released under the MIT License and is open source.

Key features

  1. Aspect ratio bars

    Black bars are drawn on the sides and top of the 3D world to hold a chosen aspect ratio.

  2. Command configuration

    The letterboxed command sets the ratio directly or from a width and height, and resets it to 0.

  3. Interface left as is

    Bars apply only to the 3D world, while menus and the HUD keep their normal layout.

  4. Disable by setting 0

    Setting the ratio to 0 effectively turns the mod off without removing it.

Compatibility

Latest build for each game version and loader.

26.31.0.2
26.21.0.2
26.1.21.0.2
26.1.11.0.2
26.11.0.2
1.21.111.0.2
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Use cases

Widescreen on a 16:10 monitor

Players on a 16:10 display can hold a 16:9 picture, with bars filling the unused space.

Who it’s for: Players on monitors whose shape differs from the picture ratio they want, who are willing to accept bars and some known layout issues.

Questions

Does Letterboxed need Fabric API?

Yes. Fabric API is a required dependency, and Letterboxed is published for the Fabric loader only.

Does a server need Letterboxed?

No. The mod is client-side only, so only the player's client runs it and a server can leave it out.

How is the aspect ratio turned off?

Setting the ratio to 0 with the letterboxed command, or resetting the mod, disables the bars.

In the catalog

Letterboxed is one of 7,555 Cursed mods on ModsFinder, and one of 4,235 Cursed mods for Fabric. 8,071 mods support Minecraft 26.3.

Cursed mods7,555Fabric modsMods for 26.38,071

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What the author says

This is a fun little mod I made because I started playing Minecraft (Java) on an 16:10 Monitor while now I use a 16:9 one. You can set any aspect ratio you want and the mod will keep it preserved adding black bars on the sides or top and bottom.
technicfan, on the Modrinth page

Official listing

Owner
technicfan
Published
2026-08-04
Updated on Modrinth
2026-09-15
Facts verified
2026-10-15

Tags

Cursed
Open on ModrinthCompare