Batch watermark hundreds of images instantly. Securely processed offline with zero cloud uploads or file size limits.
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Apply custom copyright text to hundreds of images instantly. Easily process massive photography batches without expensive software.
Utilizes the HTML5 Canvas API to ensure crisp, clean typography and precise opacity scaling across images of any resolution.
Your finished images are compressed directly on your device into a ready-to-download ZIP file using JSZip technology.
Because processing happens entirely on your local machine, there are no artificial cloud limits. You are only limited by your device's available RAM and processing power.
The tool is optimized to export JPEG and WebP files at 92% quality, which perfectly preserves visual sharpness while keeping file sizes lightweight and web-ready.
Currently, the tool supports highly customizable text-based copyright stamping (allowing you to control text, size, color, opacity, and position). Image-based logo stamping is planned for a future update.