Batch watermarking
Batch Product Image Watermark
Protect your product photos with a consistent text or logo watermark. Set it once and apply the same mark to the whole batch.
Everything is rendered in your browser, so your logo and photos are never uploaded.
Drop product images here
JPG, PNG, WebP or AVIF · processed locally in your browser
Up to 20 images per batch · max 40 MB per file
Settings
Local processingRelative to image width, so the watermark scales with every photo.
Lower values create smaller files. 75–85% is a good balance for product photos.
Original
0 B
Output
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Images are processed on this device only. Nothing is uploaded, stored or analysed on a server.
Preview
Select an image from the queue to preview the result.
Queue(0)
No images yet
Add product photos to see them here with their size and dimensions.
How to watermark images in bulk
Add images and a logo
Upload up to 20 product photos. For a logo watermark, add a transparent PNG.
Design the watermark
Set the text, font, size, colour, opacity, rotation and position, or place the logo in a nine-point grid.
Preview and download
The preview applies the same watermark to the selected image. Process the batch and download a ZIP.
What the watermark tool does
Text watermarks
Custom text with font, weight, colour, size, opacity and rotation, in any of nine positions.
Logo watermarks
Upload a logo, then control its size, opacity, rotation, position and offsets.
Relative sizing
Font and logo sizes are relative to image width, so the mark looks the same on every photo.
Live preview
The preview is the real rendered output, not an overlay approximation.
Never off canvas
Positions are computed from measured text width and the output canvas, so watermarks do not run off the edge.
Batch download
Process the whole queue and download every watermarked image in one ZIP.
When to use it
Protect product photography
Deter image theft on marketplaces and social media with a visible but unobtrusive mark.
Brand consistency
Apply the same logo position and opacity across an entire catalogue.
Reseller and distributor sets
Mark image sets before sending them to partners or resellers.
Watermark questions
Can I use both a text and a logo watermark?
Yes. Both can be enabled at the same time with independent positions, rotation and opacity.
Which logo file should I use?
A transparent PNG or WebP works best. A logo with a solid background will show that background on the photo.
Can I undo a watermark?
The watermark is rendered into a new copy. Your original file is never modified, so you can always start again.
Does the watermark scale with each image?
Yes. Font size and logo size are percentages of image width, so a 4000 px photo and a 1000 px photo get proportionally identical marks.
Is the watermark removable later?
A baked-in watermark cannot be removed from the exported file. Keep your originals safe.