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Smelter: Real-time video
compositing software

Low-latency multimedia composition
for your live streams and pre-recorded videos

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The only video
compositing software you need

Choose your plan

Free

For hobbyists andsmall-to-medium projects

Offline processing: Unlimited
Live processing:
  • Up to 50 employees
  • Up to 10k viewers
  • Up to 50 machines

Enterprise

For enterprise-grade applications

Offline processing: Unlimited
Live processing: Unlimited
Priority support: Custom integrations, new features, long-term support

Free trial for 90 days (no credit card required, no strings attached)

Set up Smelter the way you want

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React / TypeScript

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Membrane plugin

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Standalone server

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One toolkit, many use cases

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Live-streaming

Compose and mix video streams in real time with ultra-low latency. Supports live and pre-recorded inputs, overlays, and transitions.

Live-streaming

Broadcasting

Seamlessly blend multiple video sources for professional broadcasts. Leverage GPU-powered rendering and hardware decoding.

Broadcasting

Video conferencing

Stream or record with real-time compositing, multi-camera setups, and dynamic overlays. Perfect for interactive webinars and meetings.

Video conferencing

What our users say about Smelter

“We currently use this in one of our current production apps and the capabilities of it are fantastic.
Quite a pragmatic toolkit to use and would definitely recommend it to anyone interested in doing real-time A/V.
The best toolkit to use in Elixir for sure.”

Deric avatar
Deric Walintukan Senior Engineering Manager at Firework

Do you want to use
Smelter?

Tell us about your needs and we’ll get back to you in 48 hours