Add Watermark to Image Online — Free
Add text watermarks to images online for free. Customize font size, opacity, and position. Supports JPG, PNG, WebP.
Add text watermarks to protect your images — completely free, no signup required. PDFFlare processes everything in your browser, so your photos are never uploaded to a server. Customize the watermark text, position, font size, and opacity to match your branding or copyright needs.
Once watermarked, you can reduce the file size with the compression tool or adjust dimensions with the resize tool before sharing.
Drop your image here
JPG, PNG, or WebP up to 50 MB
How to Add Watermarks
Upload your image
Click the upload area or drag and drop an image file. JPG, PNG, and WebP formats are supported.
Customize your watermark
Enter your watermark text. Adjust font size, opacity, and position (center, bottom-right, bottom-left, or tiled).
Download the watermarked image
Click 'Add Watermark' to apply. Preview the result and download your watermarked image.
When Do You Need to Add a Watermark?
Protecting portfolio images from unauthorized use. Photographers, illustrators, and designers sharing work online risk having their images downloaded and reused without credit. A visible watermark discourages theft while still showcasing your work.
Branding product photos for e-commerce. Adding your store name or logo as a watermark to product images reinforces brand recognition and makes it harder for competitors to steal your photos for their own listings.
Marking draft designs for client review. When sharing design concepts with clients before final payment, a "DRAFT" or "PROOF" watermark makes it clear that the image is not the final deliverable and prevents premature use.
Adding copyright notices to photography. Embedding your name and a copyright symbol directly onto your images establishes ownership at a glance — useful when sharing on social media, blogs, or stock photo platforms.
Why Use PDFFlare to Add Watermarks?
100% Browser-Based
Your images never leave your computer. Everything runs in your browser using the Canvas API — no server uploads needed.
Flexible Positioning
Place your watermark in the center, bottom-right, bottom-left, or tile it across the entire image for full protection.
Customizable Appearance
Adjust font size and opacity to make your watermark as subtle or prominent as you need.
No Signup Required
Start adding watermarks immediately — no account, no email. Just drop your image and go.