Batch logo overlay
Image Watermark Tool
Apply one logo or watermark image to many images with the same position, size, opacity, and filename pattern.
Upload images to watermark
JPG, PNG, WebP, HEIC · up to 20 files · 20MB each
You can paste copied images with Ctrl+V
Processed in your browser · no server upload
Watermark Image
Choose one logo, signature, or brand mark image.
Position and Output
Apply the same watermark settings to every uploaded image.
Watermark position
Frequently Asked Questions
Can I watermark multiple images at once?
Yes. Upload target images, choose one watermark image, and apply the same position, size, opacity, and margin to the full batch.
Can I control watermark placement?
Yes. Choose from nine positions and adjust size, opacity, and edge margin before exporting.
Are my images uploaded to a server?
No. The watermark is composited in your browser, and original images are not uploaded to OneClickTool.
Supported Scope
JPG, PNG, WebP, and HEIC images can be converted, compressed, resized, or prepared with presets.
RAW editing, SVG vector editing, and AI background removal are not currently supported.
- image watermark
- add watermark to photos
- batch logo overlay
- watermark images online
This page may contain Coupang Partners links, and we may earn a commission from qualifying purchases.