FAQ
Frequently asked questions
Watermark Generator · TwentyOneTools
What file types are supported?
Images: JPG, PNG, WebP. Videos: MP4, MOV, WebM (Premium only). Max file size 100MB.
Is my file uploaded to a server?
No. Everything runs entirely in your browser. Your files never leave your device.
What is the free daily limit?
Free users can watermark 5 files per day. Upgrade to Premium for unlimited watermarks.
What does Premium unlock?
Premium unlocks unlimited watermarks, video support, custom fonts and text styles, rotation, tiling mode, and batch processing. See our Premium page for the full breakdown.
Can I use my own logo?
Yes. Upload any image as your watermark logo. PNG files with a transparent background work best.
Can I cancel my Premium subscription?
Yes, cancel any time. Your premium access continues until the end of your billing period. Email us at TwentyOneToolsSupport@gmail.com if you need help.