Turn 5 Videos Into Hundreds of Winning Ad Variations.
Instead of spending hours editing dozens of creatives manually, generate them in minutes and find your winning ads faster!
Unlimited Combos
Render only the videos you need
Test More Creatives. Find Winners Faster.
The most successful marketers win because they test more. Adstacker gives you the volume to do exactly that.
Stack & Combine
Add hooks, body text, CTAs, and subtitle styles — Adstacker mixes every combination into a separate video. More variations means more tests.
Instant Generation
Upload your clips and text variations — Adstacker queues every combination for rendering automatically. Minutes, not hours.
Full Customization
Fine-tune fonts, colors, position, timing, and animation for every overlay. Your creatives, your brand — just at scale.
Rendering & Delivery
Every variation rendered and delivered to your dashboard. Download, review, and launch your tests with one click.
How It Works
Create unlimited creative combinations. Render only the videos you need.
Upload Videos
Drop in up to 3 of your own clips. We pick the aspect ratio and merge them automatically.
Configure Overlays
Add hooks, body lines, CTAs, and subtitle styles. Customize the font, color, position, and timing for each.
Generate & Download
Adstacker renders every combination for you. Preview each one on your dashboard, then download or share.
How Render Credits Work
Experiment as much as you want. Render Credits are only used when exporting finished videos.
HD
720p
1
Render Credit per video
Full HD
1080p
2
Render Credits per video
1440p
1440p
4
Render Credits per video
4K
4K
8
Render Credits per video
Ready to Test More Creatives?
The marketers who test more, win more. Create unlimited creative combinations and render only what you need.