PRIVATE IMAGE TOOL

Add Watermark to Images Protect and brand your images.

Add a customizable text or logo watermark to JPG, PNG and WebP images. Your files stay on your device.

Choose your image

Add text or a transparent logo with a live preview.

Drag and drop an image here

JPG, PNG and WebP images are supported.

How to watermark an image

  1. Choose an image

    Select a JPG, PNG or WebP image from your device.

  2. Customize the watermark

    Add text or a logo, then adjust its size, opacity, rotation and position.

  3. Download the result

    Preview and save the finished watermarked image.

Customize your watermark

Create a text watermark with your preferred font and color, or add a transparent logo image.

Your images stay private

Watermarking happens locally inside your browser. Technochiya does not upload or store your files.

Image watermark questions

Can I use a logo as a watermark?

Yes. Select Logo or image watermark and choose a JPG, PNG or WebP logo. PNG is recommended for transparent logos.

Can I control watermark transparency?

Yes. Use the opacity control to make the watermark lighter or stronger.

Are my images uploaded?

No. Images are processed locally in your browser.

Which image formats are supported?

The tool supports JPG, JPEG, PNG and WebP images.