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New · Viewer-generated alerts
AI Video Generator + Stream Alert Maker

AI videos without backgrounds — stream alerts and transparent clips in minutes.

Describe what you want, get a transparent WebM with alpha channel. No green screen, no After Effects, no rotoscoping — your alert pack ready before the next stream.

Transparent WebMGreen Screen MP4Alpha ChannelAnimate Any ImageFree PreviewOBS Compatible
AlertForge - AI transparent video generator & stream alerts | Product Hunt
Transparent WebMDrops into OBS~30s render
New · Live now

Viewer-generated alerts

Viewers pay to generate a custom AI alert that plays live on your stream — rendered in seconds, PG-moderated. A new kind of tip.

$0.75 + 10%
per alert
~30s
render
PG
moderated

AI Transparent Video Generator

Generate AI videos with no background. Describe what you want, upload an optional reference image, and get a transparent WebM + green screen MP4 + sound effect.

  • Text-to-video or image-to-video
  • Automatic background removal
  • Free AI preview before generating
  • WebM with alpha channel output

AI Stream Alert Maker

Build full alert packs for Twitch, YouTube, and Kick. AI-animated motion with branded text overlays, transparent exports, and downloadable sound effects.

  • Full alert pack from one template
  • Custom text, font, and animation
  • OBS Browser Source compatible
  • Works with StreamElements & Streamlabs

Hook More Attention

Motion alerts that pop at key moments keep viewers watching instead of tabbing out.

Look Instantly Branded

One style system across follower, subscriber, and donation alerts, including animated logos.

Publish Fast

Build once, generate variants, export an entire alert set ready for OBS.

Social proof

Trusted by streamers worldwide

I used to spend hours in After Effects for one alert. AlertForge gave me a full branded pack in 10 minutes. My chat noticed immediately.

Twitch Partner2k+ avg viewers

The transparent WebM export is a game changer. No more chroma key issues, no green screen artifacts. Just drag into OBS and go.

YouTube streamer500+ subs

I animate my channel logo as the follower alert now. Viewers ask if I hired a designer. Nope, just AlertForge.

Kick streamerContent creator

10k+

Alerts created

2k+

Streamers

4.8/5

User rating

<5 min

Avg. creation

How it works

Ship in minutes, not weeks.

Start creating
1

Pick Your Visual Direction

Choose a style preset and write a prompt direction for the motion.

2

Tune Text + Motion

Set font, color, and timing so your alerts match your stream personality.

3

Export + Go Live

Download transparent WebM files or use the hosted overlay URL in OBS.

Built for viral moments

Viral clips happen when your stream feels distinct. Style-driven alert packs make your highlights instantly recognizable.

  • Theme nights (retro / fantasy / cyber) to make streams feel like events.
  • Creator collabs with shared alert style packs.
  • Seasonal alert drops to refresh your stream identity.

Start your first pack

Build your first template, animate your logo, export your alert set, and use it in tonight's stream.

Works everywhere

Every platform, one pipeline.

AlertForge exports transparent WebM files or hosted overlay URLs that work with any streaming setup.

Twitch

Follower, sub, donation, raid, and bits alerts designed for Twitch streamers.

YouTube Live

New member, super chat, and subscriber notifications for YouTube streams.

Kick

Stand out on Kick with animated alerts matched to your channel branding.

Facebook Gaming

Professional alerts for Facebook Gaming via OBS Browser Source.

OBS Browser Source

Direct hosted-URL integration or transparent WebM imports.

Streamlabs & StreamElements

Upload your AlertForge WebM files as alert media in either.

The comparison

Why streamers choose AlertForge

FeatureAlertForgeTemplate sitesDIY (After Effects)
AI-animated motionYesNoManual
Custom logo animationYesNoManual
Transparent WebM exportYesSomeYes
Time to createMinutesMinutesHours
Design skill neededNoneNoneAdvanced
Full pack from 1 templateYesNoNo

Questions

Frequently asked questions

Does AlertForge work with OBS?+

Yes. Use either overlay URL mode or transparent WebM download mode.

Can I create multiple alert types from one design?+

Yes. Build one template and export a full set for follow, sub, and donation alerts.

Do I need After Effects or chroma key?+

No. AlertForge is made for fast no-edit workflows for stream creators.

Can I download alert sound effects separately?+

Yes. Alert sound effects are downloadable and can be used in your stream stack.

Is AlertForge free to use?+

Yes. Create and export Twitch alerts for free. Premium credits are available for AI video generation and bulk alert packs.

What export formats does AlertForge support?+

Transparent WebM files with alpha channel for OBS Browser Source overlays. You can also use hosted overlay URLs directly in OBS.

Can I animate my own logo as a Twitch alert?+

Yes. Upload any PNG image or logo and AlertForge will animate it as a stream alert with AI motion and transparent background.

Does AlertForge work with YouTube and Kick?+

Yes. Transparent WebM files and hosted overlay URLs work with any streaming platform through OBS, including YouTube Live, Kick, Facebook Gaming, and Twitch.

How is AlertForge different from StreamElements or Streamlabs alerts?+

StreamElements and Streamlabs provide alert widget overlays. AlertForge is an alert creation tool — design and animate unique alert visuals with AI, then use them in any widget system.

Can I use AlertForge alerts with StreamElements?+

Yes. Export your alerts as transparent WebM files and upload them as custom alert media in StreamElements or Streamlabs.

What makes AI-generated alerts different from template alerts?+

AI-generated alerts use motion synthesis to create unique animations from your prompt and style direction. Template alerts use pre-made designs that many other streamers also use.

Your next stream deserves better alerts.

Free to start. No card required. Your first alert pack rendered in minutes.

Start Free →