JustFly
A simple and elegant flying mod for Minecraft 1.21.4 and higher with NeoForge that allows players to fly like in Creative Mode with fall damage protection.
About this Mod
JustFly Mod
A simple and elegant flying mod for Minecraft 1.21.4 and higher with NeoForge that allows players to fly like in Creative Mode with fall damage protection.
Features
✈️ Easy Flying
- Double-tap Space to toggle flying mode on/off
/flycommand for server administrators- Smooth Creative Mode-like flying experience
- Customizable fly speed through configuration
🛡️ Fall Damage Protection
- 10-second grace period after disabling flight
- Automatic fall damage prevention during grace period
- Smart protection system that activates when landing from flight
🎮 User-Friendly
- Chat notifications show flight status
- No complex keybinds required
- Works in both singleplayer and multiplayer
- You need to be OP to use it on server
Commands
| Command | Permission | Description |
|---|---|---|
/fly |
Toggle your own flying mode | |
/fly <player> |
Toggle another player's flying | |
/fly <player> <true/false> |
Set specific flying state |
Technical Details
- Minecraft Version: 1.21.4 or higher
- NeoForge Version: 21.4.154 or higher
- Mod Version: 1.0.0
- Java Version: 21+
Compatibility
- ✅ Singleplayer: Full functionality
- ✅ Multiplayer: Full functionality with proper permissions (Install mod on server too)
- ✅ Other Mods: Compatible with most mods
- ✅ NeoForge: Designed specifically for NeoForge
Enjoy flying in Minecraft! ✈️
Available Versions
How to Install JustFly on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "JustFly". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+5 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
JustFly server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is JustFly compatible with fabric and neoforge?
JustFly officially supports fabric, neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JustFly – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if JustFly consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install JustFly with just one click on your server.