Lottielab watermark is a single deletable JSON layer with index 12345679

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A tool on GitHub called 'lottielab-watermark-remover' removes watermarks from Lottie animation files by deleting a single layer identified by the hardcoded index 12345679. Lottie files are JSON objects where all visible elements, including watermarks, are stored as layer objects in a layers array. The watermark layer uses the same structure as any other layer, with no checksum or cryptographic protection to verify its presence. Because Lottie's open format requires editable vector data to function, vendors have limited ability to enforce watermark integrity at the file level. Raster image watermarks composited into PNG assets are the one exception, as they share pixels with underlying artwork and cannot be removed through JSON manipulation alone.

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