GCA Watermark Studio

iPad-first batch watermarking. Select your cards once, process one at a time, and export in manageable sets without holding all rendered images in memory.

The logo stays on this device. Choose it once; the app remembers it when storage allows.

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3. Process and save

For iPad reliability, each export creates a small ZIP and releases its image memory immediately. You can choose an export size below. The iPad Files app can extract ZIPs; saving hundreds directly into Photos requires iOS sharing/permissions and cannot be automatic from a website.
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Choose your logo and cards to begin.