TRENDING · APP
Firefly glow
A swarm of fireflies wraps you in green light. You upload: reference image. In the form you fill in: where the fireflies appear. It uses Veo 3.1 Fast or Seedance 2.5, whichever is available first. When the form is complete, the “Create” button shows the credit cost, and nothing is charged until you press it. Your credits never expire.
Use this AppOpening the App does not generate or charge anything.

AT A GLANCE
Firefly glow in Cocuyo
- What it does
- A swarm of fireflies wraps you in green light.
- What you upload
- Reference image
- What you fill in
- Where the fireflies appear
- Model
- Veo 3.1 Fast or Seedance 2.5 (first available)
- Format
- 9:16
- Duration
- 8 s
- Resolution
- 720p
- Cost
- In credits, on the “Create” button, before you create
HOW IT WORKS
Three steps.
Upload your files
You upload: reference image.
Fill in the form
Write or choose: where the fireflies appear.
Check the cost and press “Create”
Once the form is complete, “Create” shows how many credits it costs. Nothing starts or is charged until you press it. View and download the result in this App.
CREATE AT YOUR PACE
Your credits never expire.
Buy a top-up or choose an optional plan. Check the cost of each creation before you confirm.
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Firefly glow: common questions
What do I need to use Firefly glow?
You upload: reference image. You can open the App and see its form without paying. Generating requires a verified account and credits; Free includes no credits, but you can buy a top-up without a subscription.
How much does it cost?
It depends on the model and settings. Once the form is complete, the “Create” button shows the credit cost before you press it (you need to be signed in); opening the App does not charge anything. Top-up and plan credits never expire.
Which model does it use?
Veo 3.1 Fast or Seedance 2.5. The App picks the model for you; the model selector only appears if the default model cannot run the App.
Can I upload photos of other people?
Only if you hold the rights or have permission from any recognisable person. You confirm this once when you create your account, as stated in the Terms.









