Add Image Watermark

Add a text or logo watermark to images

Add either a text or a logo image watermark

Adjust transparency with a slider, and freely customize font, color, and stroke

Besides the corners and center, you can also choose a tiled layout that fills the whole image

Instantly check the result every time you change a setting

Upload the target photo or illustration from the image file field

Select either text or a logo image, then specify its content

Set the placement, opacity, size, color, and typeface, and check the preview

Save images in PNG or JPEG format using the download button

Add a watermark to your work or portfolio to discourage copying

Overlay a site name or logo to clearly indicate the source of your work

Add your account name to keep the source when shared and prevent impersonation

Apply text like "Confidential" or "Sample" across the whole image in a tiled layout

Your input data is processed only within your browser and is never sent externally.

Adding watermarks to images is processed entirely within your browser, and input data is not sent to any server.

Page loading is also encrypted by TLS, and content cannot be read by third parties.

Input content is not sent to external services such as ad networks or trackers.

Watermarked images and input suggestions are not stored on the server.

2026/08/02update #131
Image Watermark: Multi-line text and stroke support
Watermarks can now span multiple lines with line breaks. Adding stroke makes text legible even on bright backgrounds.
Update Add Image Watermark
2026/08/02update #130
Image Watermark: Improved layout for larger preview display
Vertical images are now easier to view in full. On mobile, the preview appears before settings. Image loading errors are now displayed persistently.
Update Add Image Watermark
2026/08/02update #129
Image Watermark: JPEG output and original filename download support
Undo is now available immediately after reset. When download fails, the reason displays near the button.
Update Add Image Watermark
2026/08/02update #128
Image Watermark: Drag watermark to reposition and resize freely
Drag the watermark directly on the preview to position it, and use the corner handles to adjust size.
Update Add Image Watermark
2026/08/02update #127
Image Watermark: Batch apply to multiple images and ZIP download support
Select multiple images at once to apply the same watermark settings to all and save together as a ZIP file.
Update Add Image Watermark