SuperToolsOnline
Professional Tools • Private by Design

Add Watermark to Image Free – Text & Logo Online

Add text watermarks to images or paint over existing watermarks online. Adjust opacity, position, and color—100% browser-based, no uploads, instant PNG download.

Upload Image

JPG, PNG, WebP

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About This Tool

Learn what makes this tool special

Our Watermark Tool lets you protect images by adding professional text or logo watermarks — entirely in your browser, with no uploads and no sign-up.

Why Watermark Your Images?


- Protect copyright on photography, illustrations, and designs
- Brand product images with your company name or logo
- Add confidentiality labels to business documents and screenshots
- Prevent unauthorized use of creative work shared online

Text Watermark Options


- Custom text: type any text, name, URL, or copyright message
- Font size and color control
- Opacity setting (transparent to opaque)
- Position: center, corner, tiled, or diagonal

Logo Watermark Options


- Upload your logo PNG (transparent background recommended)
- Resize and position the logo watermark
- Adjust opacity for subtle or bold branding

Privacy


Images are processed entirely client-side using HTML5 Canvas. No image data is uploaded or stored on any server.

Key Features

What makes this tool special

  • Add custom text watermarks to any image
  • Upload logo/PNG for image-based watermark
  • Adjustable opacity (0–100%)
  • Multiple position options (center, corners, tiled, diagonal)
  • Font size and color customization
  • Supports JPG, PNG, WebP images
  • Live preview of watermark placement
  • Download watermarked image instantly
  • No sign-up required
  • 100% browser-based — no server upload
  • Free with no watermark on the watermarker itself
  • Mobile-friendly interface

Quick Guide

Master this tool in seconds

  1. 1
    Upload your image using the dropzone or file picker
  2. 2
    Choose 'Text Watermark' or 'Logo Watermark'
  3. 3
    For text: type your watermark text, choose font size, color, and opacity
  4. 4
    For logo: upload your logo PNG and adjust size and opacity
  5. 5
    Select the watermark position on the image
  6. 6
    Preview the result in the live preview area
  7. 7
    Click 'Download' to save the watermarked image
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Common Questions

Everything you need to know

Q.Is the watermark tool free?

A.

Yes — completely free with no sign-up and no watermark added to your output image.

Q.Is my image uploaded to a server?

A.

No. All processing uses HTML5 Canvas in your browser. Images never leave your device.

Q.Can I add a transparent logo as a watermark?

A.

Yes — upload a PNG with a transparent background for the cleanest logo watermark effect.

Q.Can I make the watermark semi-transparent?

A.

Yes — use the opacity slider to adjust transparency from fully opaque to nearly invisible.

Q.What image formats are supported?

A.

JPG, PNG, and WebP images are supported for both input and output.

Q.Can I tile the watermark across the entire image?

A.

Yes — the tiled or diagonal option repeats the watermark across the full image for maximum protection.

Q.Will the watermark reduce image quality?

A.

The tool preserves original image quality. PNG output keeps lossless quality.

Q.Can I watermark multiple images?

A.

Currently one image at a time. Download and then upload the next image to watermark.

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