A watermark is a visible mark, usually your name or logo, placed on an image to show ownership. It can discourage casual copying and give credit if the picture spreads. But it can also spoil the picture, and it won’t stop a determined thief. The right approach depends on what you’re protecting.
Do watermarks work?
Partly. They deter casual reuse and make it clear who created the image, which helps with credit when it’s shared. They don’t stop theft. A small corner watermark can be cropped out or removed with editing tools. Heavier watermarks are harder to remove but also make the image less attractive.
When a watermark makes sense
- Portfolio previews and proofs sent to clients before purchase
- Original photos you share on social media, where attribution tends to get lost
- Stock-style images offered for sale
When to skip it
- Images that are part of a professional-looking website where watermarks look cluttered
- Product photos where the item should be the star
- Pictures for marketplaces that disallow watermarks. Some platforms ban them or prefer clean photos
Types of watermarks
- Corner mark: a small logo or text in a corner. Subtle but easy to crop.
- Center or semi-transparent overlay: harder to remove, and more intrusive.
- Tiled pattern: repeated across the image. Strong protection, poor aesthetics.
- Edge strip or signature: an artist-style signature along a border.
Best practices
- Use semi-transparency. Around 30 to 50% opacity keeps it visible without overpowering the picture.
- Keep it modest in size. Large enough to read, small enough not to dominate.
- Place it over a detailed area, not plain sky or wall, where it’s trivial to remove.
- Use a simple design. Plain text or a clean logo, with enough contrast to show on light and dark parts.
- Be consistent across your images to build recognition.
The right order of steps
- Resize the image to its final size first. See resizing without losing quality.
- Add the watermark afterwards, so it stays the intended size and sharpness.
- Export as JPG or PNG.
If you add a watermark and then shrink the image, the mark shrinks too and might become unreadable.
Use a transparent PNG for your mark
Create your logo or text as a PNG with a transparent background so it blends in on any photo. See logo size and format.
Protect more than the picture
- Upload web-sized versions, not full-resolution originals. A 1600 to 2500-pixel image is hard to print at large sizes. See portfolio image sizes.
- Embed copyright information in metadata if it suits you, but remove location data. See EXIF data.
- Keep dated originals as proof of authorship.
Alternatives
If you don’t want a visible watermark, a clear copyright notice on your page, credit in captions and low-resolution web copies provide gentler protection.
Resize your images with our free image resizer before you apply your mark.