Free Bulk Image Watermark Tool

Protecting your photos online is essential. But adding a watermark (like your logo or name) to hundreds of images one by one is incredibly slow and tedious. This free tool solves that problem.

Our Bulk Image Watermark Tool lets you add a custom text or logo watermark to all your photos at once, right in your browser. No software to install, no sign-ups, and no files are uploaded to any server. It's fast, free, and 100% private.

How to Use the Watermark Tool

1. Step 1: Upload Your Images: Click the "Select Images" button or drag and drop all the photos (JPG or PNG) you want to watermark into the upload box.
2. Step 2: Choose Watermark Type: Select whether you want to add "Text" or a "Logo" as your watermark.
3. Step 3: Set Your Watermark:
   • For Text: Type your watermark text (e.g., "Online Nil"), choose a color, and set the font size.
   • For Logo: Upload your logo (a transparent PNG works best) and set its size.
4. Step 4: Set Position & Style: Use the 9-point grid to select where the watermark should appear (e.g., bottom-right). Adjust the "Opacity" (transparency) slider to make it subtle or strong.
5. Step 5: Process & Download: Click the "Add Watermark" button. The tool will process all your images instantly. When finished, click the "Download Watermarked ZIP" button to save all your protected images.

Why Use Our Free Watermark Tool?

Batch Processing (Saves Time)

Why waste hours doing a 5-minute job? Our tool applies your watermark to 1, 10, or 100 images at the same time. This is perfect for photographers, e-commerce shop owners (like you!), and content creators who need to protect their work quickly.

100% Private & Secure (Browser-Based)

This is our biggest feature. Unlike other online tools, your images **never leave your computer**. All processing happens locally in your own browser. We do not upload your photos to a server. This means your images are 100% private and secure, and the process is lightning-fast.

Full Customization Control

You have complete control over your watermark's appearance.

• Add custom text or your own logo.
• Place it in any of the 9 standard positions (top-left, center, bottom-right, etc.).
• Control the size relative to the image.
• Adjust the opacity (transparency) to make it as bold or as subtle as you like.

Download as a ZIP

No need to download each image one by one. The tool automatically packages all your newly watermarked images into a single, convenient ZIP file for instant download.

Frequently Asked Questions (FAQ)

Q: What is a watermark?
A: A watermark is a semi-transparent logo, text, or image placed over a photo. It is used to identify the owner (like a signature) and prevent people from stealing or using your images without permission.

Q: Are my images uploaded to your server?
A: **No. Never.** The entire process (uploading, watermarking, and zipping) happens 100% inside your own web browser. Your files never touch our server, making this the most private way to watermark images online.

Q: What file types can I upload?
A: You can upload multiple JPG, JPEG, and PNG files. The final watermarked images will be saved in their original format.

Q: What is the best format for a logo watermark?
A: A **transparent PNG** file works best as a logo. This ensures that only your logo is placed on the image, without a solid square background.