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Data Dumper
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Generating helpful info for datapack developing from registry in Minecraft
Does not follow a specific thematic focus apart from vanilla Minecraft.
Used for mods with little to no gameplay elements.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Includes tools and features for server management.
Forge is a popular mod loader for versions 1.1+ of Minecraft.
Neoforge is a fork of the Minecraft Forge available for versions 1.20.1+ of Minecraft. Many Forge mods are compatible with Neoforge and vice versa.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
Quilt is a fork of the Fabric mod loader. Many Fabric mods are compatible with Quilt and vice versa.
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Runs entirely on the server. Also works in singleplayer.
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Description
DataDumper
A Minecraft mod that helps datapack developers quickly browse and export registry data.
About
Ever found yourself constantly needing to check what's inside a registry while developing datapacks? Or wanting to filter for specific blocks and items?
DataDumper lets you browse registries directly in-game via commands, with support for tag and regex filtering. You can also export registry entries as JSON files for easy debugging.
On top of that, DataDumper prevents game crashes caused by invalid datapacks, so you can debug with peace of mind.
Features
- List all registries in the game
- Filter registry contents by tag or regex
- Export registry entries as JSON files
- Export datapack entries that failed to parse, making it easy to track down errors
- Prevent crashes when creating a world with invalid datapacks
- Click chat messages to copy all entries at once
Commands
| Command | Description |
|---|---|
/datadumper registries |
List all registries |
/datadumper registry <key> |
View all entries in a registry |
/datadumper registry <key> #<tag> |
Filter registry entries by tag |
/datadumper registry <key> "<regex>" |
Filter registry entries by regex |
/datadumper entry <key> |
Export registry entries as JSON files |
/datadumper entry <key> #<tag> |
Filter and export by tag |
/datadumper entry <key> "<regex>" |
Filter and export by regex |
Exported files are saved in the .datadumper/ folder under the server's working directory.
Screenshots
Regex filtering — Find all blocks containing "planks":

Tag filtering — Find all blocks tagged #c:chests:

Supported Versions
| Minecraft Version | Fabric | Forge | NeoForge |
|---|---|---|---|
| 1.20.1 | ✅ | ✅ | — |
| 1.21.1 | ✅ | — | ✅ |
| 26.1 | ✅ | — | ✅ |
Recommended Companions
- Mod Sets — Easily disable development mods in published modpacks
DataDumper
A Minecraft mod that helps datapack developers quickly browse and export registry data.
About
Ever found yourself constantly needing to check what's inside a registry while developing datapacks? Or wanting to filter for specific blocks and items?
DataDumper lets you browse registries directly in-game via commands, with support for tag and regex filtering. You can also export registry entries as JSON files for easy debugging.
On top of that, DataDumper prevents game crashes caused by invalid datapacks, so you can debug with peace of mind.
Features
- List all registries in the game
- Filter registry contents by tag or regex
- Export registry entries as JSON files
- Export datapack entries that failed to parse, making it easy to track down errors
- Prevent crashes when creating a world with invalid datapacks
- Click chat messages to copy all entries at once
Commands
| Command | Description |
|---|---|
/datadumper registries |
List all registries |
/datadumper registry <key> |
View all entries in a registry |
/datadumper registry <key> #<tag> |
Filter registry entries by tag |
/datadumper registry <key> "<regex>" |
Filter registry entries by regex |
/datadumper entry <key> |
Export registry entries as JSON files |
/datadumper entry <key> #<tag> |
Filter and export by tag |
/datadumper entry <key> "<regex>" |
Filter and export by regex |
Exported files are saved in the .datadumper/ folder under the server's working directory.
Screenshots
Regex filtering — Find all blocks containing "planks":

Tag filtering — Find all blocks tagged #c:chests:

Supported Versions
| Minecraft Version | Fabric | Forge | NeoForge |
|---|---|---|---|
| 1.20.1 | ✅ | ✅ | — |
| 1.21.1 | ✅ | — | ✅ |
| 26.1 | ✅ | — | ✅ |
Recommended Companions
- Mod Sets — Easily disable development mods in published modpacks
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