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Protect Your Images with the Batch Watermark Applicator
Secure your creative work and brand identity instantly using our free Batch Watermark Applicator. This free online tool allows you to overlay custom text branding or corporate logos across multiple images simultaneously. Because all processing occurs locally within your web browser using HTML5 canvas components, your high-resolution files are never uploaded to an external server, keeping your media completely private.
How to Watermark Images in Batch
- 01. Upload Media: Drag and drop multiple images or browse your local storage to select files.
- 02. Configure Style: Choose between a text string or upload a transparent PNG logo file.
- 03. Adjust Position: Select your preferred layout placement using the 5-point alignment selector.
- 04. Scale & Fade: Use the real-time sliders to fine-tune the size scale and transparency opacity.
- 05. Process Images: Click the process button to automatically map your layout configurations across the batch.
- 06. Instant Download: Save individual processed assets or package everything into a single ZIP archive.
Frequently Asked Questions
Are my private images uploaded to a web server?
No. This utility processes all data locally inside your web browser engine. Your graphics, photos, and branding logos never travel across the internet or touch our servers.
What file formats are supported by this batch tool?
The applicator supports all standard web-friendly graphic formats, including PNG, JPEG, WebP, and BMP files for both target images and logo overlays.
Can I use a custom graphic logo instead of plain text?
Yes. By toggling the watermark type selector to ‘Logo Image’, you can upload a custom transparent PNG or image file to use as your stamp asset.
Will watermarking reduce the clarity or quality of my photos?
No. The layout renderer scales to match the original native dimensions of your source files and exports them at a high quality compression rate (90% JPEG baseline) to preserve clarity.
How does the bulk ZIP file download feature work?
Once your batch finishes processing, an integrated client-side compression library packages all generated image blobs into a single compressed folder, letting you download everything with one click.
Is there a usage limit on how many images I can process?
There are no arbitrary software limitations. Because the performance relies entirely on your device’s RAM and processing hardware, you can apply layouts to large collections of assets without restriction.