"One seed. Infinite posters." / "一粒种子，无限海报。"
A generative poster art studio built with p5.js. Six algorithmic layout engines, twenty curated color palettes, and a deterministic seed system — change one number, generate an entirely unique poster. Export as high-resolution PNG for print, social, or wallpapers.
| Feature | Free | Pro |
|---|---|---|
| 6 generative layouts | ✅ | ✅ |
| 20 color palettes | ✅ | ✅ |
| 8 shape types | ✅ | ✅ |
| 6 adjustable parameters | ✅ | ✅ |
| Seed-based reproducibility | ✅ | ✅ |
| URL sharing | ✅ | ✅ |
| PNG export | ✅ (watermark, max 1200px) | ✅ (4K, no watermark) |
| Commercial license | ❌ | ✅ |
| Credits | 3 free, 1 per export | Unlimited |
| # | Layout | Algorithm | Best For |
|---|---|---|---|
| 🌀 | Vortex | Logarithmic spirals with particle trails | Hypnotic vortex, cosmic spirals |
| ◼ | Geometric | Bold Swiss-design composition, 50% negative space | Gallery walls, modern posters |
| 🌊 | Flowfield | Perlin noise particle flow accumulation | Impressionist textures, atmosphere |
| 💠 | Kaleidoscope | N-fold rotational symmetry with organic perturbation | Mandalas, sacred geometry |
| 🔬 | Cells | Voronoi biological cell structures | Organic, microscope-like patterns |
| 🫧 | Layers | Overlapping transparent organic shapes | Watercolor-style depth |
16 Dark: midnight, aurora, ember, forest, sakura, ocean, neon, mono, coral, sunset, matcha, ink, candy, retro, arctic, terracotta
4 Light: cream, paper, sky, blush
Light/dark adaptive rendering — backgrounds, vignettes, and watermarks adjust automatically based on palette brightness.
# Local preview — just open either file in a browser
open index.html # Landing page
open app.html # The generative poster app
# Or with a local server
npx serve .Deployed on GitHub Pages at www.seedstudio.top.
git add . && git commit -m "update" && git push origin mainGitHub Pages serves from the main branch. Custom domain configured via CNAME file.
Seed Studio uses a freemium model:
- Free: All layouts, watermarked exports, max 1200px, 3 credits on registration, 1 credit per export
- Pro (¥6/month or ¥39/year via 爱发电): No watermark, 4K exports, unlimited credits, commercial license
Payment processing via 爱发电 (afdian.com/a/seedstudio). Pro activation via master license keys (SEED-PRO-MONTHLY / SEED-PRO-YEARLY) or individually issued keys.
seed-studio/
├── index.html # Marketing landing page
├── app.html # Main generative poster application
├── p5.min.js # p5.js v1.9.4 (local, no CDN needed)
├── js/
│ ├── seedstudio-account.js # Account system (CloudBase API)
│ └── seedstudio-license.js # License manager (legacy/LemonSqueezy)
├── functions/
│ ├── cloudbase-func/ # CloudBase cloud function (active backend)
│ │ ├── index.js # API: reg, login, deduct, upgrade, lookup
│ │ └── package.json
│ └── license-verify.js # Cloudflare Worker (license verification proxy)
├── docs/
│ ├── monetization-blueprint.md
│ ├── payment-integration.md
│ ├── license-verification.md
│ └── copyright-license.md
├── sitemap.xml
├── robots.txt
├── _headers # Cloudflare Pages headers
├── vercel.json # Vercel fallback config
├── CNAME # www.seedstudio.top
└── README.md
| Key | Action |
|---|---|
R |
Randomize all parameters |
E |
Export PNG |
Ctrl+Z |
Undo last change |
1-6 |
Switch layout |
Space |
Fullscreen preview |
- p5.js 1.9.4 — Creative coding engine
- Mulberry32 PRNG — Deterministic randomness (same seed = same poster, every device)
- Vanilla JS — Zero dependencies, zero build step
- Canvas 2D API — Gradient backgrounds, vignettes, grain, bloom effects
- URLSearchParams — Shareable state (all parameters encoded in URL)
- CloudBase (Tencent) — Backend for user accounts, credits, license activation
- GitHub Pages — Static hosting
Code: MIT. Generated artworks: Pro users get full commercial rights. Free users: personal use only. See docs/copyright-license.md for full terms.
Built with ❤️ by the Seed Studio team. www.seedstudio.top