Show HN: Fireworks in one click – built a tiny web app for instant sparkles

2 Bob_Chen 0 8/18/2025, 10:25:28 AM trickle.so ↗

I cooked up a small web app that lets you launch virtual fireworks with a single click—and it’s surprisingly soothing.

Spent a bit of time playing with particle effects and sound synchronization to make the “boom” feel lively. Click anywhere and you get an explosion of colorful sparkles.

Try it here: https://trickle.so/apps/fireworks

Would love to hear: • What element of it feels most satisfying (sound, visuals, physics)? • Bugs or visual quirks you notice? • Ideas for simple tweaks—more fireworks types, sound effects, or control gestures?

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Show HN: Fireworks in one click – built a tiny web app for instant sparkles

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