Image editor
Add image or text watermarks to your photos in the browser. Files are processed locally and never uploaded.
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Select or drop an image to watermark.
Configure watermark and download.
How it works
Three simple steps to protect your images with a custom watermark.
Select the photo you want to watermark from your device or drag and drop it into the upload area. The file loads locally in your browser and is never sent to any server. You can preview the original image and check its dimensions before adding the watermark.
Choose between an image/logo watermark or text watermark. Upload your logo PNG (transparent background works best) or type custom text. Adjust position (corners, center, or tiled), opacity, size, and margin. The preview updates instantly as you change settings.
Click "Add Watermark" to apply the watermark, then download the protected image. Choose PNG for lossless quality, JPG for smaller file sizes, or WebP for modern compression. Your original file remains unchanged, and the watermarked copy is saved to your device.
Use cases
Watermarks protect your intellectual property and build brand recognition across digital platforms.
Photographers, designers, and artists use watermarks to prevent unauthorized use of their work. A visible watermark makes it clear who owns the image and deterstheft. Even if someone crops or edits the image, a well-placed watermark makes it harder to pass off as their own. Register your copyright and use consistent watermarks for maximum protection.
Consistent watermarking with your logo or brand name builds recognition across social media, portfolios, and marketing materials. Every shared image becomes a mini-advertisement for your brand. Over time, viewers associate your watermark style with quality content, increasing brand recall and driving traffic back to your website or social profiles.
Online sellers watermark product images to prevent competitors from stealing their photos and using them on rival listings. This is especially important on marketplaces like Amazon, eBay, and Etsy where image theft is common. A subtle watermark in the corner protects your investment in product photography without distracting from the product itself.
Influencers, bloggers, and content creators watermark images shared on Instagram, Pinterest, Twitter, and blogs. When their content is reposted or shared, the watermark travels with it, crediting the original creator and potentially attracting new followers. Tiled watermarks offer maximum protection for high-value images that are frequently reposted without permission.
Best practices
Follow these tips to create effective, professional watermarks that protect without distracting.
For image watermarks, always use a PNG file with a transparent background. A JPG logo with a white or colored box will look unprofessional and distract from your image. If you only have a JPG logo, remove the background first using a background remover tool, then save as PNG before using it as a watermark.
The best watermarks are visible enough to deter theft but subtle enough not to distract from the image. An opacity of 30-60% is usually ideal. Too opaque and the watermark ruins the photo; too transparent and it can be easily cropped or edited out. Test different opacity levels to find the right balance for your specific image and use case.
Corner placement is standard for logos and brand watermarks, keeping the main subject clear. Center placement works for text watermarks on documents or proofs. Tiled placement offers the strongest theft protection but is the most distracting. Choose the position based on the image's composition: avoid placing watermarks over faces, key product features, or important details.
Use the same watermark style, position, and opacity across all your images for brand consistency. Create a template or preset so every watermarked image follows the same rules. This consistency makes your watermark instantly recognizable and reinforces your brand identity. If you vary the style, viewers may not recognize it as your watermark, reducing its protective and branding value.
FAQ
Answers to common questions about adding watermarks to images.
No. All processing happens locally in your browser using the HTML5 Canvas API. Your image and watermark files never leave your device. This means your files remain private, there are no upload size limits from our servers, and watermarking works even with a slow or intermittent internet connection after the page has loaded.
The ideal opacity depends on the image and purpose. For brand logos in corners, 30-50% opacity is typical. For text watermarks on proofs or documents, 50-70% works well. For maximum theft protection with tiled watermarks, 15-30% keeps the image viewable while making removal difficult. Always test on your specific image, as background colors affect perceived opacity.
Determined users can attempt to remove watermarks using editing tools, but a well-placed, appropriately opaque watermark makes removal difficult and time-consuming. Tiled watermarks offer the strongest protection. No watermark is 100% removal-proof, but the goal is to make theft inconvenient enough that most people will either seek permission or use a different image. For critical images, also use digital watermarking and metadata.
Image watermarks (logos) are best for brand building and professional photography. Text watermarks work well for quick proofs, document protection, and when you don't have a logo. Many creators use both: a small logo in the corner for branding and a larger tiled text watermark for high-value images. Choose based on your goals, brand assets, and the level of protection needed.
The watermarking process itself does not reduce quality in the visible area. However, saving as JPG introduces some compression loss. Choose PNG for lossless quality, or WebP for a good balance. If you need to watermark and then further edit the image, do all edits first and watermark last to minimize the number of compression cycles. Always keep the original unwatermarked file.
This tool supports JPG, PNG, WebP, GIF, and BMP as input formats for both the source image and watermark image. For output, you can choose PNG (lossless, supports transparency), JPG (smaller file size, no transparency), or WebP (modern format, best compression). Use PNG when you need the highest quality or when your watermark has transparent areas.
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