Command & NBT Workshop
Essential1.20.5–1.20.6 data components & entity summon syntax
#Components#NBT Gen
Open tool →
Voxel Classic
Villager Trade Economy · Minecraft (Java & Bedrock)
Java & Bedrock Edition Support · Voxel Sandbox / Redstone Survival
Player tools indexed: 14
Admin consoles: 11
Book pricing, how Hero of the Village and curing multiply, all 13 professions and restock troubleshooting
Player tools (14)
Instant interactive calculations and recipe plannersInteractive brewing stand for 30+ vanilla potions
#Recipes#Splash/Lingering
Open tool →
Anvil Enchantment Optimizer
Save XPAvoid "Too Expensive" with lowest XP cost binary tree
#Enchanting#God Gear
Open tool →
Bidirectional coordinate translation and MCA region file finder
#Nether Portal#Coordinates
Open tool →
Convert between items, stacks (64/16), chests and shulkers
#Shulker#Stacks
Open tool →
Convert levels to total XP and mob kill requirements
#XP Pool#Mob Farm
Open tool →
Generate exact pixel circle blueprints from radius 1 to 128
#Blueprints#Pixel Art
Open tool →
Interactive 3D skin renderer and official texture download
#Skin 3D#Capes
Open tool →
Redstone Timing & Signal
TechnicalGame ticks, redstone ticks and seconds converted both ways, component delays, signal strengths and version timing traps
#Redstone#Technical
Open tool →
Mob Spawning & Farm Siting
TechnicalThe 24/32/128 zone test, hostile mob caps, spawner output and why farms underperform
#Mob Farm#Technical
Open tool →
Book pricing, how Hero of the Village and curing multiply, all 13 professions and restock troubleshooting
#Trading#Economy
Open tool →
Work back from target output to spawn cadence, hopper count and storage, plus pregeneration time
#Throughput#Pregeneration
Open tool →
Container math, hopper throughput, the real 1458 shulker ceiling and the cost of unstackable items
#Storage#Logistics
Open tool →
Version Notes
VersionVersion timeline, pack formats and protocol numbers, plus the year-based numbering switch
#Version#Changelog
Open tool →
Server admin and config generation (11)
Config files, startup scripts and command wizards for running a serverMOTD Visual Designer
StyleWYSIWYG server list preview, RGB gradients and Unicode escape generator
#MOTD#RGB Gradient
Generate config →
Visual tuner for all server properties, 1.20/1.21 features and presets
#Config#Tuning
Generate config →
Paper 20.0 TPS Optimizer
Anti-LagTuning paper-world-defaults.yml, spigot.yml, hopper checks and entity limits for steady 20.0 TPS
#Paper Tuning#20.0 TPS
Generate config →
Aikar JVM Flags Generator
Anti-LagG1GC & ZGC tuning for Paper & Purpur servers to eliminate GC lag spikes
#G1GC / ZGC#Performance
Generate config →
Crash Log & Error Diagnostics
DiagnosticInstant offline stacktrace parser for OOM, port conflicts, ticking entities and mixin errors
#Crash Analyzer#Offline Engine
Generate config →
Visual switchboard with snake_case rule names (keep_inventory, mob_griefing) and 1.21.11+ renames applied
#GameRules#KeepInventory
Generate config →
Curated guide for Paper, Purpur, Fabric, NeoForge, Velocity, and Geyser
#Core Selection#Ecosystem
Generate config →
Auto official UUID resolution for whitelist.json and ops.json
#Whitelist#OPS
Generate config →
Version Migration
UpgradeBlocking and conditional upgrade items, with a paste-in scanner for legacy gamerule names
#Upgrade#Checklist
Generate config →
Gamerule Reference
Mapping40+ legacy-to-current mappings distinguishing semantic from format renames, with search and export
#Mapping#Upgrade
Generate config →
Performance Diagnostics
TroubleshootMSPT/TPS conversion, health grading and a symptom-driven path to the bottleneck
#Troubleshooting#Performance
Generate config →
FAQ
- Which Minecraft (Java & Bedrock) tools can I use online?
- We list 14 tools for Minecraft (Java & Bedrock): Command & NBT Workshop, Potion Brewing Lab, Anvil Enchantment Optimizer, Nether Portal 8:1 Sync, Shulker Box & Stack Math, XP Level Calculator, Pixel Circle Blueprint, Player 3D Skin Workshop, Redstone Timing & Signal, Mob Spawning & Farm Siting, Villager Trade Economy, Farm Output & Pregeneration, Storage & Logistics, Version Notes. All of them run straight in your browser.
- Do these tools cost anything or need installing?
- No. Everything runs in the page: no install, no sign-up, no cost. Enter your values and the result appears instantly, and you can copy the generated configs and commands with one click.