Item Editor - Component & NBT

Client-side item, component and NBT editor for Fabric. Customize held items, edit NBT data, and modify item components via an extensible GUI.

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Item Editor - Component & NBT

Item Editor

A powerful client-side in-game custom NBT modifier and custom NBT modifier for Minecraft Fabric.

Item Editor opens a comprehensive GUI for the item currently held by the player, allowing you to safely modify item data on a draft before applying changes. Designed as a modern alternative to traditional raw NBT data editors, this mod natively utilizes Minecraft's modern data components system instead of relying solely on outdated raw-NBT workflows. It features dynamic custom UI editors for modifying item properties, metadata, and component tags for special item types, including books, banners, custom fireworks, containers, signs, potions, and more.

Compatibility

- Current: Minecraft `26.1.x`, `1.21.11` - Previous: Minecraft `1.21.11`, `1.21.10`, `1.21.9`, `1.21.8`, `1.21.7`, `1.21.6, '1.21.5', '1.21.4'`

Links

- GitHub: https://github.com/noramibu/Item-Editor - Discord: https://discord.gg/FaxbR9eEFW

Installation

1. Install Fabric Loader. 2. Put these files in your `mods` folder:

- `Item Editor-version-b<build>.jar` - Fabric API - owo-lib

3. Start the game. 4. Open the advanced item editor using the keybind in Controls under `Item Editor` (default: `I`).

Supported Languages

- English (`en_us`) - Spanish (`es_es`) - Russian (`ru_ru`) - Simplified Chinese (`zh_cn`) - Traditional Chinese (`zh_tw`) - Hindi (`hi_in`)

Core Workflow

- Draft-first editing (all edits are made on a temporary copy of the held item). - Live feedback (preview updates while editing, with validation shown inline). - Safe apply flow (`Save / Apply` shows a diff/verification flow). - Discard safety (close/reset asks for confirmation when needed).

Editor Categories

Current categories are:

- General - Components (dynamic) - Display - Attributes - Enchantments - Flags - Book - Raw Editor - Special Data (dynamic)

General

- Styled custom name editing (format, presets, gradient, color picker). - Item core values (count, rarity, durability/damage, repair cost, unbreakable). - Adventure predicates (`can_break` / `can_place_on`) with searchable block picking and list controls. - Model/visual fields (glint override, item model id, custom model values).

Components

Shown only when the held item supports advanced components.

- Food/consumable related values. - Use behavior fields (`use_effects`, `use_remainder`, `use_cooldown`). - Container-related metadata (lock, loot, bees, pot decorations). - Combat/data components (`equippable`, `weapon`, `tool`, `repairable`, `attack_range`, charged projectiles). - Advanced map data (`map_id`, decorations, lodestone tracking). - Additional component tweaks for naming, tooltip, registry ids, block/behavior fields.

Display

- Rich multi-line lore editor with formatting toolbar. - Color/gradient styling tools. - Related visual sub-sections when supported (like dyed color/trim/profile fields).

Attributes

- Add/remove/reorder attribute modifiers. - Modifier fields (attribute, amount, operation, slot, id). - Effective preview and reset-to-original workflow.

Enchantments

- Regular + stored enchantment editing. - Searchable picker, reorder/remove/add. - Level controls with safe/unsafe behavior support.

Flags

- Tooltip visibility controls. - Hide full tooltip and hidden-component toggles. - Quick hide/show actions.

Book

- Writable/written mode flow. - Page editor with limits/validation. - Add/remove/reorder/navigate pages. - Title/author/generation editing when relevant.

Raw Editor

- Full raw text editor for item data when you want direct control. - Format/minify tools and editor options (wrap/scroll style, font size, and display options). - Syntax-aware editing with clearer inline error targeting. - Better handling for long/minified text. - Smarter suggestions while editing. - Undo/redo workflow for safer raw editing sessions.

Special Data

Dynamic category. Sections appear only for compatible items.

- Potion/suspicious stew/firework editors. - Banner/shield editor with layer workflow. - Container/bundle/sign/spawner related editors. - Bucket creature and other item-specific editors. - Armor Stand editor includes pose-focused controls and quick preset-based workflows. - Item Frame editor includes facing/rotation and behavior-focused controls. - Spawn Egg editor includes entity-focused settings and villager trade editing where relevant.

Storage

- Save items into built-in storage pages. - Browse/search/sort saved items. - Search by item/name/lore and other metadata. - Sort modes include regular ordering and metadata-based ordering. - Command access via `/storage`.