Free Online Batch Image Watermark - Secure & Local Processing

Looking for a secure, free, and powerful online image watermarking tool? PicTech AI's free batch watermark tool is your best choice. We support batch processing, allowing you to add watermarks to hundreds of images at once, greatly improving your workflow. Most importantly, all operations are processed locally in your browser. Your images are never uploaded, ensuring your data and privacy are absolutely secure. Freely add custom text or logo watermarks, fine-tune size, position, rotation, opacity, and even generate a full-page tiled watermark for ultimate copyright protection. Experience this professional-grade, no-download, completely free watermarking tool today.
Add Watermark in Batch for Free
Sample image to add a watermark to
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Text Content: PicTech
Mode
Opacity
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Size
In tiled mode, the watermark will cover the entire image.

Built for Batch Processing, Safeguarding Your Data

We not only offer powerful batch and custom watermarking features but also ensure your images are never uploaded, thanks to pure browser-side processing. Explore these powerful features built for professionals.
Start Batch Watermarking for Free

Efficient Batch Processing Engine

Apply the same watermark settings to hundreds of photos at once. Our online tool significantly boosts your workflow efficiency, eliminating tedious, repetitive tasks.

100% Local Processing, Data Security Guaranteed

All watermarking operations are performed within your browser, with no files uploaded. Your privacy and original works are protected at the highest level.

Custom Watermark Templates

Save your meticulously designed watermarks as templates for easy one-click application in the future. Maintain brand consistency and work effortlessly every time.

How to Watermark Images Online: Single & Batch Guides

Whether you need to fine-tune a single masterpiece or efficiently watermark images in bulk, we provide a simple and intuitive online workflow.
01

Upload a Single Image

Drag and drop your photograph, design, or product image into the upload area. All operations are local and secure.
Step 1: Upload a single image to add a watermark online
02

Customize Text or Logo Watermark

Enter your copyright information or brand slogan as a text watermark in the editor. You can also switch to upload your brand logo at any time.
Step 2: Customize text or logo as the image watermark
03

Adjust Watermark Style Online

Freely adjust the size, rotation, opacity, and position with intuitive sliders and drag-and-drop. All changes are previewed in real-time.
Step 3: Adjust watermark style, such as opacity and position
04

Preview and Download for Free

Once satisfied with the result, click the 'Download' button to instantly get your high-definition image with your custom brand mark.
Step 4: Download the high-definition watermarked image for free

Start Protecting Your Image Copyright Now

Every image with your logo or text watermark is an effective brand exposure and copyright claim. Use our free online tool to prevent misuse and spread your brand with every share.
Add Watermark to My Images for Free

Batch Watermark FAQ

Find all the answers about PicTech AI's secure, free, and local batch watermarking tool here.
Is this batch watermark tool really secure? Are my images uploaded?
Absolutely secure, your images are never uploaded! This is the core advantage of our tool. All watermarking is done locally in your browser, using your computer's processing power. Your files never leave your device, eliminating any risk of privacy leaks and guaranteeing 100% data security.