What Is the IMG369 Batch Watermark Tool?
Batch Watermark stamps the same text watermark onto up to 20 photos at once, with one shared position, size, color, and opacity for the whole set. It's built for photographers and small businesses who need to brand a whole shoot or product catalog without repeating the same steps 20 times.
Type your text once, adjust color, size, opacity, and pick a position from the 9-point grid, and every photo in the batch updates its preview immediately. There's no per-photo setup, the whole point is that one configuration applies uniformly across every file.
How It Works
Every uploaded photo is composited with your watermark text on its own canvas, using the Canvas API entirely in your browser. Changing any control, text, color, size, opacity, or position, instantly re-renders every photo in the batch, since the watermark text itself is drawn fresh each time rather than baked in early. Nothing is uploaded to a server, so a folder of unpublished client work or unreleased product photos never has to leave your machine to get branded.
Protecting Proofs and Portfolios
The most common reason to watermark a whole batch at once, rather than the final one or two images you actually deliver, is proofing: sending a client or customer a full gallery to choose from before they've paid for the final files. A visible watermark across every proof discourages someone from just screenshotting or saving the low-res preview and walking away without paying for the finished version. The same logic applies to a portfolio site or social post where you want your work associated with your name, without needing to hunt down each new post that might use it without credit.
Common Uses
Watermarking a full photography gallery before sharing proofs with a client, branding an entire batch of product photos with a store name or URL before listing them for sale, marking a set of images with a website URL before a bulk upload to a marketplace, or stamping a portfolio's worth of work samples before posting them somewhere they might get copied.
IMG369 vs. Other Ways to Watermark a Batch of Photos
Lightroom and Photoshop both support batch watermarking through export presets or actions, and they're the standard choice for professional photographers who already own and know the software, but that's a real cost and learning curve for anyone doing this occasionally. Watermarking one photo at a time in a simple editor works, but repeating the exact same text, position, and opacity by hand across 20 files invites inconsistency and mistakes. Free online batch watermark tools exist too, but they usually require uploading your whole gallery to their server, which is a real concern when the photos are unpublished client work. IMG369 applies one consistent watermark setup across up to 20 photos at once, entirely on your device.
| Method | Cost | Photos leave your device | Consistency across batch |
|---|---|---|---|
| IMG369 | Free | No | Automatic, one shared setup |
| Lightroom / Photoshop export preset | Paid subscription | No | Automatic, but needs setup |
| Manual, one photo at a time | Free | Depends on the editor | Manual, error-prone |
| Typical online batch watermark tool | Free with limits, paid for more | Yes, uploaded to a server | Automatic |
Summary
IMG369's Batch Watermark tool stamps one consistent text watermark, text, color, size, opacity, and position, onto up to 20 photos at once, with individual downloads or a one-click ZIP, entirely inside your browser with no upload and no signup. The sections above cover why proofing and portfolio work are the main reasons to batch-watermark in the first place; the FAQ below covers batch limits and download options.
Frequently Asked Questions
Is the Batch Watermark tool really free?
Yes. There's no signup, no watermark on the watermark itself, and no limit on how many photos you process. Everything runs on your own device.
Do my photos get uploaded anywhere?
No. The watermark is composited onto each photo using the Canvas API entirely in your browser. Nothing is sent to a server.
How many photos can I watermark at once?
Up to 20 photos per batch, all stamped with the same text, position, size, and opacity.
Can I use a logo instead of text?
This batch tool supports a text watermark only. For a logo image watermark on a single photo, use IMG369's Add Watermark tool.
How do I download all the watermarked photos?
Click "Download All as ZIP" to get every watermarked photo in one file, or download each one individually from its own card.