Image Watermark Adder
Add a text watermark to images with custom position, opacity, font size and color. 100% private — no uploads.
About Image Watermark Adder
Add a text watermark to images with custom position, opacity, font size and color. 100% private — no uploads. Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.
FAQ
Are my images uploaded?
No. Watermarking happens locally via the Canvas API. Your images never leave your device.
What extras does this tool have?
Extras: (1) custom text, (2) 9 position presets, (3) opacity slider, (4) font size, (5) color picker, (6) rotation, (7) tile mode, (8) PNG/JPEG/WebP output, (9) live preview, (10) quality slider, (11) accessible labels, (12) no upload, (13) keyboard-friendly.
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