OptiFine 1.12
Download For Windows PC

Optimize Minecraft's performance & improve its graphics by using the OptiFine Mod
Developer
sp614x
Updated
Dec 06, 2020
Size
2.5 MB
Version
1.12
Requirements
Minecraft 1.12 + Java (JRE)
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OptiFine 1.12 is an old but famous release of the OptiFine mod released for Minecraft Java Edition 1.12. It is a stable release and also supports Forge. If you are still playing vanilla Minecraft (JE) 1.12, download OptiFine 1.12.2 to improve your gameplay experience.

OptiFine improves Minecraft Java Edition’s performance by optimizing Minecraft’s standard coding. It adds options like FPS boost, FPS control, configurable animations & details, faster math, etc. These options help it boost performance. It also has support for Minecraft shaders and textures packs that modify Minecraft’s visuals to a great degree.

Features of OptiFine 1.12

OptiFine is loaded with features and you can find the complete list on our latest version page. A few of those features are listed below:

  • Configurable Details & Animations: Nearly all Animations and Details options can be set to OFF or ON.
  • FPS Boost: Increases FPS significantly in Minecraft (JE) on most devices.
  • Support for Texture Packs & Shaders: OptiFine supports 3rd party Minecraft shaders and textures packs.
  • Dynamic Lights: Adds illumination to many light-emitting items.
  • Anti-aliasing: Smoothens jagged lines and rough edges of items to give a cleaner look.
  • Clean Water: Makes water more transparent for underwater visibility.
  • Natural & Connected Textures: Removes grid-like patterns on certain blocks when reused and connects textures of items like glass, grass, etc giving a more natural look.

Compatibility & Requirements to Run OptiFine 1.12

Check out the compatibility of OptiFine 1.12 and the requirements to run it:

Compatibility

Requirements

How to Install & Uninstall OptiFine 1.12

The installation of OptiFine is different depending on if you’re installing it in vanilla Minecraft or the Forge version. Visit our article for a detailed guide on How to install OptiFine. It covers installations on platforms and mod loaders.

Installing OptiFine 1.12 in Vanilla Minecraft (JE)

Step 1: Download the OptiFine installer and you will see a file “OptiFine_1.12_HD_U_G5.jar”.

Step 2: Launch it & click Install.

Installing OptiFine 1.12 in Minecraft Forge

Step 1: Download OptiFine and you will see the file “OptiFine_1.12_HD_U_G5.jar”. Move it into the “Local Disk (C:) > Users > (Your PC Name) > AppData > Roaming > .minecraft > mods” folder.

Uninstalling OptiFine 1.12

If you have installed OptiFine into vanilla Minecraft (JE) then you can uninstall OptiFine 1.12 through the Minecraft Launcher. Go into the Versions tab then click on the three dots and from the drop-down menu click Uninstall.

To uninstall OptiFine from the Minecraft Forge version go to the mods folder in Minecraft’s directory and delete the “OptiFine_1.12_HD_U_G5.jar” file.

OptiFine Latest Version 1.12 Update

(HD_U_G3)
right click selects previous value in shader options (#4706)
added more steps for shaders render quality (#4556)
fixed server connection with java 9+ (#3773, #3959, #4656, #4667)
added Forge license (#4654)
fixed leaking resource on startup (#4678)
(HD_U_G2)
added wrap and filter modes for raw shader textures (#2905)
fixed zoom to not reset cinematic camera
fixed CEM for skeleton horse and zombie horse (#4274)
fixed crash when killing parrot (#4214)
(HD_U_G1)
fixed shaders to render world border with program textured_lit (#3979)
optimized underwater particles
fixed shaders block selection, hitboxes and chunk borders (#3601, #3818)
fixed void rendering with shaders (#3673)
fixed player shadow with shaders in spectator mode (#4022)
fixed CEM animation parameters pos_y, pos_z (#4033)
added shortcut key for shader options "F3+O"
fixed Smart Animations crash
fixed option Graphics depending on Dropped Items
optimized memory allocation (debug screen)
(HD_U_F6)
fixed flickering of min. FPS
compatible with Forge #2443

Download OptiFine Old Versions

Version Size Requirements Date
1.20.1 6.7 MB Minecraft 1.20.1 + Java (JRE) 21/06/2023
1.20 6.7 MB Minecraft 1.20 + Java (JRE) 21/06/2023
1.19.4 6.7 MB Minecraft 1.19.4 + Java (JRE) 07/04/2023
1.19.3 6.7 MB Minecraft 1.19.3 + Java (JRE) 24/03/2023
1.19.2 6.6 MB Minecraft 1.19.2 + Java (JRE) 23/06/2023
1.19.1 6.5 MB Minecraft 1.19.1 + Java (JRE) 20/08/2022
1.19 6.5 MB Minecraft 1.19 + Java (JRE) 31/07/2022
1.18.2 6.4 MB Minecraft 1.18.2 + Java (JRE) 26/06/2023
1.18.1 6.2 MB Minecraft 1.18.1 + Java (JRE) 24/03/2022
1.18 6.2 MB Minecraft 1.18 + Java (JRE) 06/12/2021
1.17.1 6.04 MB Minecraft 1.17.1 + Java (JRE) 04/11/2021

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