Image Watermarker
Protect your visual assets. Add customizable text watermarks or brand logo overlays in bulk, locally in your browser.
or drag & drop here
Why Choose This Tool?
Built for speed, quality and complete privacy.
100% Local & Private
All watermarking and graphics calculations run entirely in your web browser. No files are uploaded to any server.
Bulk Processing & ZIP Archives
Overlay watermarks onto dozens of images simultaneously and download them in a single ZIP container.
Multi-Image Live Grid
Switch to bulk grid mode to preview how watermarks fit on all uploaded files under different sizes.
Custom Brand Overlays
Design beautiful text templates with distinct fonts, colors, and grid angles, or load brand logo PNGs.
Anti-Theft Tiling Mode
Tile text structures across the image in repeating grids. Makes it extremely difficult for third parties to crop out watermark overlays.
Lossless Visual Scaling
Saves files locally using canvas rendering relative to native image bounds, keeping export output details pristine.
How It Works
Simple steps to get your result.
Upload Files
Select one or more photos you want to protect.
Design Template
Configure a text structure or import a brand logo PNG and adjust scale and positioning.
Download Protections
Export individually or package all results as a ZIP container.
Frequently Asked Questions
Quick answers to common questions.
Watermark images online in bulk. Add text watermarks or transparent PNG logos to multiple photos at once. Completely local, free, private.