Watermark Adder
Add text watermark to images online for free. Protect your photos with custom watermarks — no upload to server, 100% client-side.
How Watermark Adder Works
Upload any image and add a custom text watermark with your desired position, opacity, font size, and color. Everything happens in your browser using Canvas — your image never leaves your device, ensuring complete privacy.
About the Watermark Adder Tool
The Watermark Adder places a text watermark onto your images with full control over position, opacity, and color. Protecting your work matters whether you are a photographer selling prints, an agency sending previews, or a creator posting original graphics that get reposted without credit. A subtle, well-placed watermark marks the image as yours without ruining it, and this tool makes adding one a two-second step instead of a Photoshop session.
Watermarks serve two purposes: they deter casual theft, and they drive attribution when people do share your work. Photographers watermark previews before sending proofs to clients, designers stamp their portfolio mockups, and freelancers mark draft deliverables so clients cannot reuse them before payment. Being able to control exactly how the watermark looks - its size, color, and transparency - keeps it professional rather than intrusive.
How to Add a Watermark
Upload the image you want to protect, then type the text you want to appear - your name, your brand, your website, or a tag like PREVIEW or DRAFT. Choose a position from the placement options so the text lands where you want it: corners are standard for photos, while the center works for strong protection on product shots. Then adjust opacity; a value around 30 to 50 percent looks professional and readable, while near-zero opacity makes the mark subtle, and 100 percent makes it bold.
Pick a color that stays visible across the image - white works on dark photos, black on light ones, and your brand color can tie the mark to your identity. When the preview looks right, generate and download the watermarked image. If you have a batch of images from the same shoot, apply identical settings to every one so your protection looks consistent across your whole portfolio.
Watermark Strategies That Actually Work
- Keep the mark small enough that it does not overpower the image but visible enough that it cannot be cropped away easily.
- Use a corner placement for portfolio and social images, and a larger center or diagonal mark for previews and drafts.
- Match watermark color to the dominant tones of your photos; pure white or black fails on high-contrast images.
- Add your website or handle, not just a name, so viewers who like the image know exactly where to find you.
- Reserve the original unmarked file and always watermark from the original, never from an already-watermarked copy.