One line catches.
The frame moves.
Write the scene. StillSpark renders it and sets it going — a short vertical clip, no timeline, nothing to install.
embers rising from a fire on a dark shore
How it works
Three steps
Subject, place, and how the camera moves. One sentence is the whole input.
The line becomes a handful of shots, folded into one vertical take.
Every take is saved with its line — change a word and strike another.
Shape
Built for a phone
Framed while rendering, not cropped after.
Longer stories work as several takes.
See what one changed word did.
Runs in the browser you already have.
FAQ
Before you ask
Will it match my line exactly?
No — a line steers the result rather than specifying it frame by frame. Two runs of the same sentence differ; concrete nouns get you closer than adjectives.
How long can a take be?
Most land between five and fifteen seconds. For longer pieces, render several and place them one after another.
Can I use them commercially?
Yes, within our terms. Requests for real people's likenesses or copyrighted characters are declined at generation time.
What does it cost?
Metered by clip length. Pricing and current limits appear before a render starts; nothing runs without you confirming it.