Tools for s&box

Build faster without leaving your browser.

Backend systems, model conversion, material generation, and terrain tools built for s&box creators.

Network Storage

Player-hosted servers. Cloud-owned data. Revision-aware transitions for outdated clients, with migration hooks you control.

Endpoint-authoritative writes
Persistent player data
Optional encryption + sessions
Built-in outdated-client warnings + migration hooks
Hosted Backend No Dedicated Server Required
Game Values Predict Client State
Endpoints Validate Writes
Backend DB Persist Player Data
Revisions Safe Rollouts
P2P / Dedicated Server Hosting No Player Slot Limits Backend Updates Without Republish

Model Importer

Bring Source 1 models forward or turn FBX and OBJ files into s&box-ready VMDL assets.

Source 1 to Source 2 workflow
FBX / OBJ to .vmdl
Remap Mixamo / humanoid bones to s&box Citizen
Collision and LoD output
Open Model Importer
Upload FBX
Source 2
Source 1 / FBX / OBJ
Collision
Materials
VMAT paths
.vmdl
Game-ready asset

Material Importer

Upload images or Source Engine VTF textures and generate s&box VMAT/TMAT materials. Bulk convert folders of textures into ready material files.

VTF to PNG conversion with PBR material generation
Bulk import large texture folders
Exports .vmat or .tmat + textures as ZIP
Open Material Importer
Source Texture
Color
Normal
Rough
Height
AO

Terrain Generator

Build playable terrain quickly with presets, brush edits, and native heightmap exports.

10 terrain presets
Raise, lower, smooth, flatten
Seeded custom generation
Export .r16 or PNG
Open Generator
Rolling Hills