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{
"timeline": {
"soundtrack": {
"src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/music/unminus/berlin.mp3",
"effect": "fadeInFadeOut"
},
"tracks": [
{
"clips": [
{
"asset": {
"type": "image",
"src": "https://shotstack-assets.s3.ap-southeast-2.amazonaws.com/logos/shotstack/small/logo-reverse.png"
},
"start": 0,
"length": 1.96,
"opacity": 0.85,
"scale": 0.15,
"transition": {
"in": "fade",
"out": "fade"
}
},
{
"asset": {
"type": "image",
"src": "https://shotstack-assets.s3.ap-southeast-2.amazonaws.com/logos/shotstack/small/logo-reverse.png"
},
"start": 2,
"length": 1.96,
"scale": 0.15,
"opacity": 0.75,
"transition": {
"in": "slideLeft",
"out": "slideRight"
}
},
{
"asset": {
"type": "image",
"src": "https://shotstack-assets.s3.ap-southeast-2.amazonaws.com/logos/shotstack/small/logo-reverse.png"
},
"start": 4,
"length": 1.96,
"scale": 0.15,
"opacity": 0.5,
"transition": {
"in": "zoom",
"out": "zoom"
}
},
{
"asset": {
"type": "image",
"src": "https://shotstack-assets.s3.ap-southeast-2.amazonaws.com/logos/shotstack/small/logo-reverse.png"
},
"start": 6,
"length": 1.96,
"scale": 0.15,
"opacity": 0.25,
"transition": {
"in": "slideUp",
"out": "slideDown"
}
}
]
},
{
"clips": [
{
"asset": {
"type": "video",
"src": "https://s3-ap-southeast-2.amazonaws.com/shotstack-assets/footage/cat.hd.mp4",
"trim": 5
},
"start": 0,
"length": 10
}
]
}
]
},
"output": {
"format": "mp4",
"resolution": "sd"
}
}Template for adding opacity to an asset.
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Unlimited developer sandbox
Free tier (no watermarks)
No credit card required
