Free Online Logo Watermark Tool
Watermark banner uploads. Automatically place and stamp transparency-enabled logos onto folders of banners in one click.
Drop files here. 100 MB maximum file size
Drag or click to upload your logo
300+ formats supported
We support more than 25600 different conversions between more than 300 different file formats. More than any other converter.
Fast and easy
Just drop your files on the page, choose an output format and click "Convert" button. Wait a little for the process to complete. We aim to do all our conversions in under 1-2 minutes.
In the cloud
All conversions take place in the cloud and client-side processing, consuming minimal capacity from your computer.
Custom settings
Most conversion types support advanced options. For example with a video converter you can choose quality, aspect ratio, codec and other settings, rotate and flip.
Security guaranteed
We delete uploaded files instantly and converted ones after 24 hours. No one has access to your files and privacy is 100% guaranteed. Read more about security.
All devices supported
GlobeOptimiser is browser-based and works for all platforms. There is no need to download and install any software.
How to use this tool
- Upload your banner photos and upload your logo branding graphic.
- Select logo placement mode (Smart, Top Left, or Top Right).
- Process the files to merge the images and download.
Frequently Asked Questions
What format should my logo be?
We recommend uploading a transparent PNG logo to ensure it overlays cleanly onto your background banners.
What is Smart Placement?
Smart Placement evaluates the contrast and details of the background banner to place the logo where it is visible without blocking key subjects.
Need to convert format, stamp logo or downsize banners?
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