Minecraft NBT Editor

Edit Minecraft NBT files online. Supports player data, level data, structure files, and more for Java Edition.

Supported Files

  • • Java Edition Files:
  • - Player Data Files (playerdata/*.dat)
  • - Level Data Files (level.dat)
  • - Structure Files (*.nbt)
  • - Backup Files (*.dat_old)
  • - Advancement Data (advancements/*.json)
  • - Statistics Data (stats/*.json)

Our editor is designed for Java Edition files. Use with Java Edition world saves for best results.

Upload a Minecraft Java Edition file (.dat, .nbt, .dat_old, or .json) to view and edit its contents

Java Edition Files Focus

Our NBT editor is designed specifically for Java Edition Minecraft files. For best results, use with Java Edition world saves and structure files.

About Minecraft NBT Editor

Our free online Minecraft NBT editor allows you to modify NBT (Named Binary Tag) files used by Minecraft to store various game data. Whether you need to edit player inventories, fix corrupted saves, or modify game rules, our tool provides an easy-to-use interface for all your NBT editing needs.

Supported File Types

Player Data Files (.dat)

Contains player-specific information including:

  • Inventory contents
  • Player statistics
  • Achievements and advancements
  • Player position and rotation
  • Health, hunger, and experience levels

Level Data Files (.dat)

World-specific settings including:

  • Game rules
  • World spawn location
  • Time and weather settings
  • World border configuration
  • Difficulty and gamemode settings

Java Edition Files Support

Structure Files (.nbt)

Java Edition structure files that contain:

  • Block data and IDs
  • Entity information
  • Structure dimensions
  • Block states and properties

Data Files

Various Java Edition data files:

  • Player data (.dat files in playerdata folder)
  • Level data (level.dat)
  • Advancements data
  • Statistics data

Structure Format Utility

Our tool includes structure format utilities that allow you to work with Java Edition (.nbt) structure files:

  • Modify block and entity data
  • Adjust structure dimensions
  • Edit block states and properties
  • Create and edit complex structures

Simply upload your structure file, make your changes, and download the modified file. The editor handles all the complex NBT format details for you.

Common Use Cases

Frequently Asked Questions

Technical Details

NBT (Named Binary Tag) is a data structure format used by Minecraft to store various game data. It supports multiple data types including bytes, shorts, integers, longs, floats, doubles, strings, lists, and compounds. Our editor handles all these data types and maintains the hierarchical structure of NBT files.

Supported NBT Tags

  • TAG_Byte: 8-bit signed integer
  • TAG_Short: 16-bit signed integer
  • TAG_Int: 32-bit signed integer
  • TAG_Long: 64-bit signed integer
  • TAG_Float: 32-bit floating point
  • TAG_Double: 64-bit floating point
  • TAG_String: UTF-8 string
  • TAG_List: List of named tags
  • TAG_Compound: Collection of named tags

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