Add Watermark to Image
- ✅ Diagonal Repeat Watermark (Pattern) — repeated diagonal watermark (PRO)
- ✅ Server formats support: AVIF / TIFF / PSD / SVG (PRO)
- ✅ More stable output on large images + higher quality processing (PRO)
- ✅ PRO Gallery: server-processed tools + history of operations (PRO)
❓ Watermark Add Tool (FAQ)
With the Watermark Add tool, you can add a text or logo watermark to a single image. Processing happens inside your browser; your image is not uploaded to a server. Adjust position, size, opacity and rotation, then download the output in the same format you uploaded (JPG/PNG/WebP/BMP).
Does this tool upload my image to a server?
No. Everything runs locally in your browser. Your image is not sent to or stored on a server.
Which file formats are supported?
In FREE (browser) mode, the most stable formats are supported: JPG, PNG, WebP, BMP. Formats like AVIF/TIFF/PSD can vary across browsers, so PRO/server processing is a better fit for those.
Can I add a text watermark or a logo watermark?
Both. Text watermarks let you control the text, size, color and opacity. Logo watermarks let you place an image logo (often PNG/WebP) with size/position/transparency controls.
What is the best watermark position?
There’s no single best choice. Corners look subtle, while a slightly centered watermark is harder to remove. For product images, corners are common; for social content, a soft center watermark can be more protective.
What opacity should I use?
For most images, 15–35% is ideal. Too low becomes invisible, too high can ruin the photo. Use Before/After to confirm quickly.
When should I use repeated (tiled) watermarks?
Tiled watermarks are great when you want stronger protection. They work well for portfolios, stock visuals and product photos. For a cleaner look, increase spacing and lower opacity.
How does Before/After comparison work?
The Before/After button instantly toggles between the original image and the watermarked result, helping you avoid overdoing the watermark.
What does Undo/Redo do?
Undo/Redo walks through your recent setting changes step-by-step, making it easy to test different watermark looks.
What’s the difference between Reset and Restore Original?
Reset returns sliders and controls to default values. Restore Original removes the watermark layer entirely and returns to the original base image.
Why can the output file size become larger?
Because the image is re-encoded. Lossless formats like PNG can grow in size after edits. If quality controls are available for JPG/WebP, you can manage output size more directly.
If I upload BMP, can I download BMP?
Yes. Since canvas doesn’t export BMP natively, a built-in BMP encoder is used to keep the “download in the same format” rule.
Any quick best-practice tips?
Use transparent PNG/WebP for logos when possible. For text, keep it short, use medium size, lower opacity, and a slight rotation for a more professional look.
Tip: Avoid overly strong watermarks. Opacity around 15–35% usually looks clean while still protecting your work.