How to put a watermark on a photo without photoshop in windows 10?

digiKam is professional photo manager that you can use to how to put a watermark on a photo, as well as organize and edit various image files including RAW photos.

Instructions: Download and install the software from the official website, import your local photos into the software’s gallery, select one or more target images, open Tools → Batch Queue Manager, add a watermarking task, configure the watermark content, position, opacity, and scaling parameters, and then run the batch process to automatically apply the watermarks.

Its advantages include professional-grade batch watermarking capabilities, full compatibility with RAW files, and precise adjustments to watermark size, transparency, and position.

Its disadvantages include a large installation package that takes up storage space, as well as a complex menu structure that requires a longer learning curve for new users.

Notes

• If you're using an image-based watermark, be sure to prepare a transparent PNG logo in advance for optimal display results.
• Before batch processing, test the watermark settings on a sample image to avoid errors during batch export.
• Please ensure you have sufficient disk space available before installation, as the software installer requires approximately 200 MB of storage space.

This allows you to quickly complete bulk how to put a watermark on a photo. It is suitable for photographers to process large photo collections on Windows devices, as well as for mass copyright marking of shooting materials.