Halloween.js effects for any website
Zero-dependency Halloween effects for any website in 1 line
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
halloween.js is a free, zero-dependency library that adds Halloween-themed ambient effects to any website: blinking eyes, flying witches, a dropping spider, a rising tombstone, and spider webs in the screen corners. Turn it on with a single CSS class on then opt into individual effects with modifier classes. No JS call required. Works via npm or a single CDN script tag, no build step needed. Under 10 KB gzipped, MIT licensed, completely free.
PH · launched Sep 24, 2026 · 2 upvotes (top 26%) · 1 view
Niche: visual effects plugins and libraries · 37 launches, 2 in the last 7 days · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
- Developer Tools
- GitHub
- Social Impact
- Animation
Visit website ↗ Source listing ↗
More like this: all 37 launches in visual effects plugins and libraries →
Could you build this?
Yes It is a lightweight, zero-dependency JavaScript library that injects fixed CSS overlay elements and simple DOM animations.
Competitors
Other products that read as similar to this one : 107 launches clear the similarity bar, closest 8 shown.
Attention rank: #32 of 108 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 328 days after the earliest competitor.
- My Halloween Link - Haunted House 2026 · ph · 2026-10-04 · 4 upvotes · similarity 0.50
- halloween-game-frame-generation-check · github · 2026-10-29 · 47 upvotes · similarity 0.49
- Haunted (Chrome & Edge add-in) · ph · 2026-10-31 · 1 upvotes · similarity 0.48
- Halloween Prep · ph · 2026-10-29 · 1 upvotes · similarity 0.46
- hyperbin · hn · 2026-10-30 · 16 upvotes · similarity 0.44
- Halloween AI · ph · 2026-10-30 · 1 upvotes · similarity 0.44
- TryOnHoliday—AI Halloween Costume Try-On · ph · 2026-10-30 · 1 upvotes · similarity 0.43
- Free Halloween Retro Generator · ph · 2026-10-25 · 4 upvotes · similarity 0.43
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.