Watermark a photo with text or a logo
See the result update live as you tweak controls. Position, rotate, scale and tile — your call.
How it works
1
Drop your photo
JPG, PNG, WebP — anything your browser can render.
2
Choose text or logo
Type a string or upload a PNG/SVG. Position and rotate as you like.
3
Download
Save the watermarked image as JPG.
Why use Toolstack's Image Watermark?
100% private
Your file never leaves your device — everything runs locally in your browser.
Instant
No upload, no queue. The result is ready as soon as your laptop finishes the math.
Free forever
No signup, no credit card, no daily limits for the core features.
Open standards
We use proven open-source libraries — no proprietary lock-in, no shady tracking.