Image Watermark — Free Online Tool
Add a custom text watermark to any image. Configure position (center, corners), font size, color, opacity, rotation angle, font family, and optional tiling across the image. Preview updates live. Download the watermarked image. All processing via Canvas API in your browser.
100% client-side. No uploads. Your data never leaves your browser.
How to use Image Watermark
- Upload an image.
- Enter your watermark text.
- Adjust position, size, opacity, and rotation.
- Click Download to save the watermarked image.
Frequently Asked Questions
Can I tile the watermark across the whole image?
Yes. Enable 'Repeat watermark' to tile the text diagonally across the entire image — common for copyright protection.
Does this affect the original image?
No. The original file is unchanged. The watermarked version is created in memory and only saved when you click Download.
What image formats are supported?
Upload JPEG, PNG, or WebP. Download as JPEG (with quality control) or PNG (lossless).
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