Fabric Mods for Minecraft 1.21
Browse 51 free Fabric mods for Minecraft 1.21 — popular picks include Simple Immortal Pets, Void Vanguards, PeakSkills.
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Simple Immortal Pets
A single mixin mod that makes all tamed entities immortal.
Void Vanguards
🛰️ ModJam 2025: A lore filled quest mod about conflict between The Vanguard and Voidborn.
PeakSkills
A server-side RPG mod adding 16 skills with XP progression, permanent stat growth, collections, and a pet system — no client mod required.
Harmony I
A seamless and enjoyable modpack that transforms Minecraft with well-balanced development, fresh mobs, and mechanisms. Bronze progression, explore structures, complete quests, and dive into a world where every mod tastes like vanilla.
UJT - Immortal Tamed Pets
A simple mod that makes any pet or animal that has been tamed immortal by mimicking what the player's creative mode does.
Chicken Jockey Plus
Adds commands to summon different variant jockeys
Veganism
Entities react to being hit and take revenge, animals scream and summon the Spirit of the Animals, and eating meat is punished by the Veganism effect. Supports Russian and English.
YungTwitchTTS
Interactive TTS chickens that read Twitch chat aloud, fight mobs, level up, and drop epic loot. Fabric 1.21

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
RpgDifficulty Mod (1.21.1, 1.20.1) – Making Minecraft Progressively Harder
RpgDifficulty Mod adds progressive difficulty to Minecraft, which depends on the time a player spends in the game and the distance they travel from spawn. The farther from spawn and the longer the player plays, the harder the game becomes-mobs have more health and deal more damage. This slightly changes the game mechanics-now, the area […]
Rotten Leather Mod (1.21.1, 1.20.1) – Create Leather out of Rotten Flesh
Rotten Leather Mod adds into the game a new mechanic, in which, players can utilise Rotten Flesh that is often dropped from the zombie and cook them into regular leather. Normally, players would gain an abundance amount of Rotten Flesh from their perpetuated battles with one of the most common mobs in the game, Zombies. […]
NavNeit Engine
A Minecraft RPG expansion featuring player Stats, Skills, Jobs, and Mob Scaling, designed to make survival more challenging and rewarding.
PixelTrance
A Minecraft mod that pays homage to the art of hypnosis, blending RPG progression with immersive trance mechanics for both singleplayer and multiplayer.
What If...
Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.
Shield Parry Mod
Add Dark Souls style parry mechanics! Time your shield blocks perfectly to stun enemies for 3 seconds. Skill-based combat for Minecraft 1.21.1