How to Add Watermark to Images Online for Free (Text & Logo)

Why Watermark Your Images?

Watermarks protect your intellectual property by:

Deterring unauthorized use

Branding your content for social media

Identifying your work in stock photo pools

Text vs Image Watermarks

Type

Best For

Pros

Text	Quick branding	Easy to create, customizable
Logo/Image	Professional branding	Visual identity, harder to remove

How to Add Watermarks (Free, No Upload)

Our Bulk Image Converter includes a built-in watermark tool:

Text Watermark

Open the Edit tab

Enable Watermark

Select Text type

Enter your text (e.g., © YourName 2025)

Choose position and opacity

Convert and download

Logo/Image Watermark

Enable Watermark

Select Image type

Upload your logo (PNG with transparency works best)

Adjust scale (recommended: 15-25% of image width)

Position (bottom-right is standard)

Set opacity (30-50% for subtle branding)

Batch Watermarking

The real power: watermark hundreds of images at once.

Drop all your photos into the converter

Configure watermark settings (applied to ALL images)

Convert to WebP/AVIF/JPG

Download as ZIP

Every image gets the same consistent watermark — perfect for photographers, e-commerce sellers, and content creators.

Privacy First

Unlike other watermark tools that upload your photos to servers, our tool processes everything locally in your browser. Your unreleased photos, product shots, and client work never leave your device.

Tips for Effective Watermarks

Opacity 30-50%: Visible but not distracting

Bottom-right corner: Standard position, hard to crop out

Semi-transparent: Protects without ruining the image

Consistent across batch: Builds brand recognition

Watermark Best Practices by Use Case

For Photographers

Use your name or studio logo as the watermark

Place it in a corner but not so small it's easily cropped

Use 30-40% opacity so it doesn't distract from the photo

Apply consistently to your entire portfolio

For E-Commerce

Use your store name or logo

Keep it subtle — customers shouldn't notice it while shopping

Apply to all product images for brand consistency

Consider placing it near the center for maximum protection on marketplace listings

For Social Media

Use a smaller, more subtle watermark

Instagram and Facebook may crop images, so avoid edge placements

Consider a centered, very low-opacity watermark for maximum protection

Legal Considerations

Watermarks serve as a visual copyright notice. In many jurisdictions, a visible watermark:

Strengthens your claim in copyright infringement cases

Demonstrates intent to protect your work

Deters casual theft (most people won't use a watermarked image)

However, watermarks are not a substitute for formal copyright registration. For serious protection, register your work with your country's copyright office.

Related Guides

Batch Convert Images to WebP Free

Add Watermark to Images Online Free