# NixieFX

> NixieFX is a free browser-based particle and VFX editor for Three.js and PixiJS web games, with an open-source runtime, CLI, and...

NixieFX is a free browser-based particle and VFX editor for Three.js and PixiJS web games, with an open-source runtime, CLI, and dedicated coding-agent skills.

## Facts
- Website: https://nixiefx.com
- Categories: Developer Tools, Gaming, Open Source
- LotsDirectory page: https://lots.directory/products/nixiefx
- Listing state: Unclaimed. We listed this product from its public website, and its owner has not claimed it yet.

## Detailed info

## What is NixieFX?

NixieFX is a Three.js particle editor with its own runtime, built for HTML5 web games and AI-first workflows with dedicated LLM skills.

## What NixieFX does

The platform enables authors to design particle effects in an editor and integrate them into PixiJS or Three.js games. It provides an editor manual covering emitter modules, curves, gradients, the timeline, materials, preview backends, and export bundles. For Three.js, it includes ThreeVfxRenderer, effect-instance APIs, runtime controls, providers, and stats. It also includes the nixie-fx command line to create effects, validate projects, and export game bundles within agent and CI workflows.

## Who NixieFX is for

It is built for teams authoring HTML5 web games in Three.js or PixiJS, mobile gamedev projects, and coding agents.

## How NixieFX works

Authors create particle effects in the editor, adjust emitter modules and curves, and export game bundles or integrate effects into Three.js and PixiJS projects using the runtime and the nixie-fx CLI.

## Key features

- Three.js particle editor and runtime built for HTML5 web games
- ThreeVfxRenderer and effect-instance APIs with runtime controls and stats
- PixiJS particle effects integration for PixiJS v8 game UI
- The nixie-fx command line to create effects, validate projects, and export game bundles
- Official LLM skills for coding agents to author, validate, and integrate effects
- Local workflow where effects stay in the user project folder with no install

## Facts from nixiefx.com, checked 15 October 2026

Written from NixieFX's own website ([Homepage](https://nixiefx.com/), [Docs](https://nixiefx.com/docs/)). The maker can claim this listing to edit it.

## FAQ

### What is NixieFX?
NixieFX is a Three.js particle editor with its own runtime, built for HTML5 web games and AI-first workflows with dedicated LLM skills.

### Which game engines does NixieFX support?
NixieFX supports Three.js and PixiJS games, including PixiJS v8 game UI and mobile-friendly Three.js 3D web games.

### What can be done with the nixie-fx command line?
The nixie-fx command line allows developers to create effects, validate projects, and export game bundles for agent and CI workflows.

### How do AI coding agents integrate with NixieFX?
Official LLM skills can be installed so coding agents can author, validate, and integrate effects directly into project folders.

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Source: https://lots.directory/products/nixiefx · Machine-readable context by LotsDirectory.