OptiFine 1.12.2 / 1.11.2 helps you to customize Minecraft effectively. This Minecraft Mod makes the game run smoother and consumes less resources. Besides, you can also run HD resource packs (texture) without installing additional mods. Usually, it can double or triple the FPS. In short, this is a performance related tool that gives you a powerful FPS boost booster.

OptiFine 1.12.2

Main features of OptiFine 1.12.2 HD Mod

FPS Boost
Twice the FPS compared to normal.
Reduces lag rate and smooth and stable gameplay.
Shaders Support - based on Shaders Mod.
Supports HD texture, does not require additional mods.
HD Texture and HD fonts (MCPatcher is not required).
Texture for item and custom terrains.
Item texture and dynamic terrain.
Custom HD font width.
Custom colors.
Custom block color scheme.
Customizable lighting.
Unlimited texture size.
Flexible display distance.
From Tiny to Extreme (2 x Far) in 16 minutes.
The sun, moon and stars will be visible in small and short distances.
Vivid Light: Allows items to glow and in handheld form to be visible to surrounding objects. Likewise, it has nothing to do with Dynamic Lights Mod.
Adjust light
From 1% - bright but no shadow.
Up to 100% - bright and shiny.

Performance: VSync:
Synchronize the aspect ratio with the new aspect ratio to eliminate the split frames and the gameplay is smoother.
OpenGL enhancements:
More efficient, more natural look.
Faster, some artifacts are still displayed.
Speeds more slowly, avoid visual artifacts.
Mist adjustment:
Fog: Fancy, Fast, OFF.
Fog start: near, far.
Mipmap:
Visual effects will make the remote subject look clearer thanks to the smooth handling of details and textures.
Mipmap levels: OFF, 1, 2, 3, Max.
Mipmap type: closest, translational.
Anisotropic filtering:
Restoring detail in schematic vignettes.
AF level: OFF, 2, 4, 8, 16 (depends on gaming device hardware).
Anti-aliased:
Smoother jagged lines and sharper gradations.
AA level: OFF, 2, 4, 6, 8, 12, 16 (depends on gaming device hardware).
The grass looks better:
Fixed the texture of the sides of the grass block to match the surrounding grass terrain.
Snow looks better:
Fix the transparent block pattern to match the surrounding snow.
Clear water, clearer:
Clear water, can see through the bottom.
Random Mob:
Use random mob texture if available in texture pack.
Link texture:
Cohesive texture for grass, lawn, gravel and bookshelf block if placed side by side.
Natural texture:
Removes the grid-like texture created by repeating blocks of the same type. Use rotate and flip variations of the base block texture.
FPS Adjustment:
Smooth FPS: stabilizes FPS using the graphics driver buffers.
Smoother Inputs: Fix slow input errors and sound lag by properly setting priority threads.
Adjust load chunk:
Long load: chunk load at long distances, allowing quick display when switching distances.
Preloaded chunk: defines an area that does not have a new chunk to load.
Chunk updates by frame: allows for faster world loading.
Active Updates: loads more chunks per frame while the player is standing still.
Setting details:
Clouds - Default, Fast, Fancy
Cloud Height - from 0% to 100%
Trees - Default, Fast, Fancy
Grass - Default, Fast, Fancy
Water - Default, Fast, Fancy
Rain and Snow - Default, Fast, Fancy
Sky - ON, OFF
Stars - ON, OFF
Sun & Moon - ON, OFF
Depth Fog - ON, OFF
Weather - ON, OFF
Swamp Colors - ON, OFF
Smooth Biomes - ON, OFF
Custom Fonts - ON, OFF
Custom Colors - ON, OFF
Show Capes - ON, OFF (support HD cape)
Set animation effects:
Water Animated - OFF, Dynamic, ON
Lava Animated - OFF, Dynamic, ON
Fire Animated - OFF, ON
Portal Animated - OFF, ON
Redstone Animated - OFF, ON
Explosion Animated - OFF, ON
Flame Animated - OFF, ON
Smoke Animated - OFF, ON
Void Particles - OFF, ON
Water Particles - OFF, ON
Rain Splash - OFF, ON
Portal Particles - OFF, ON
Dripping Water / Lava - OFF, ON
Terrain Animated - OFF, ON
Items Animated - OFF, ON
Quick texture pack transfer:
Switch the current textpack without leaving the world.
Full screen resolution:
Customize Full screen resolution.
Fixes:
Quick fix information: remove lag meter on Debug screen.
Debug Profiler: removes the profiler from the Debug screen.
Time Adjustment:
Default, day only or night only - supported in Creative mode only.
Auto save:
Set the interval between autosaves.
Fixed the classic Lag Spike of Death.

Download link

optifine 1.12.2