Create and export custom HTML5 canvas particle animations with this free browser-based tool. Generate code for snow, fire, rain, and sparks instantly.
AI Generation Prompt
Free JavaScript Particle System Effect Generator
Overview
A comprehensive, browser-based utility that allows web developers and designers to visually configure HTML5 canvas particle systems. Users can manipulate variables like particle count, velocity, color, size, and gravity to create stunning animations (fire, snow, rain, etc.) and copy the resulting optimized JavaScript code for immediate integration into their websites.
Key Features
- Interactive Visual Preview: Real-time rendering of particles on a canvas element.
- Preset Library: Quick-load templates for common effects: Fire, Snow, Rain, Sparks, and Smoke.
- Granular Controls:
- Particle Count (10 - 1000+).
- Speed and Direction (X/Y velocity vectors).
- Size and Growth rate.
- Color Picker (RGB/RGBA support).
- Life Span and Fade-out settings.
- Instant Code Export: Automatic generation of clean, commented vanilla JavaScript code.
- Copy-to-Clipboard: One-click functionality to grab the code snippet.
- Responsive Preview: Toggle between different preview aspect ratios to test mobile/desktop responsiveness.
UI/UX Specification
- Theme: Clean, professional light-mode aesthetic. Use high-contrast grays, soft whites, and vibrant accent colors (e.g., #2563eb for buttons).
- Layout:
- Top Navigation: Tool title and "Copy Code" primary action button.
- Sidebar (Left): Categorized sliders and inputs for particle properties.
- Center Panel: Large, responsive Canvas container with a subtle shadow and border radius.
- Bottom Panel: Expandable code block viewer with syntax highlighting (monospaced font).
- Interactions:
- Smooth slider movement with real-time preview updates.
- Micro-interactions on buttons (subtle scale-up on hover).
- Fade transitions when switching between presets.
Technical Directives
- Architecture: Single-file HTML (everything embedded). Do not use build tools.
- Performance: Use
requestAnimationFramefor smooth 60FPS rendering. Efficiently clear and redraw the canvas. - Constraints:
- No Storage: No cookies,
localStorage, orIndexedDB. If you need to handle temporary state, use a standard JS object in memory. - No Alerts/Prompts: Use custom floating modal components for notifications or confirmations.
- Responsive: Canvas must resize dynamically using
ResizeObserveror windowresizeevents to fit its parent container. - Compatibility: Use pure Vanilla JS. No React, Vue, or Angular. CDNs like Tailwind (via CSS link) are permitted for styling.
- No Storage: No cookies,
- Export Logic: The generator should take the current state object (in-memory) and inject values into a template string function that returns a standard ES6 class or function for rendering the canvas.
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Frequently Asked Questions
Everything you need to know about using this application.
What is a JavaScript particle system?
A JavaScript particle system is a technique in computer graphics that uses a large number of very small sprites, often called particles, to simulate certain kinds of 'fuzzy' phenomena. These are commonly used to create visual effects that are otherwise very hard to reproduce with conventional rendering techniques, such as fire, smoke, snow, rain, and sparks. By controlling properties like velocity, lifetime, size, and color for each individual particle, you can create complex, organic movements. This generator allows you to define those properties visually without writing the boilerplate code from scratch.
Is the generated code compatible with my website?
Yes, the code exported by this tool is written in pure, vanilla JavaScript and targets the HTML5 Canvas API. This means it is natively supported by all modern web browsers without requiring any external dependencies or heavy rendering libraries. You can easily drop the generated code into any web project. Simply initialize a canvas element in your HTML, include the generated script in a <script> tag, and the animation will render automatically within the defined canvas context.
Can I use these animations for commercial projects?
Absolutely. All code generated by this tool is provided as a utility and is free for use in both personal and commercial web development projects. There are no licensing restrictions attached to the snippets generated by this builder. We recommend reviewing the generated output and optimizing it for your specific project requirements, such as adjusting the frame rate or scaling the number of particles to ensure optimal performance on mobile devices.
Do I need to save my work on the server?
This application runs entirely in your browser. Because it is designed with a strict privacy-first architecture, it does not use cookies, local storage, or server-side database connections to save your progress. If you navigate away from the page, your current configuration will be cleared. However, you can save your presets by copying the generated code snippet to your clipboard and pasting it into a text file or your project codebase.
