Add a text watermark
Diagonal stamp with opacity control — private and free.
100% Privado – Las imágenes no salen de tu dispositivo
Suelta una imagen aquí
o haz clic para elegir
PNG, JPG, WEBP · Max 40MB
Processing happens entirely on your device. Your images are never uploaded, stored or shared — close the tab and they are gone.
Mark drafts, proofs and portfolio previews.
Private by design
FreePNG processes images in your browser with Canvas APIs. Nothing is uploaded to a server for conversion.
- No account required
- No image uploads
- Unlimited local use
When to use this tool
- Protect samples before client review.
How to add a watermark
Add your image
Drop a PNG, JPG or WEBP onto the dashed zone, o haz clic para elegir.
Tune options
Pick format, size, crop or quality — everything stays on your device.
Download
Export instantly. Close the tab and the bytes are gone.
Preguntas frecuentes
01Image watermarks?
Text ships today; logo stamps are a natural next step.
02Are my images uploaded?
No. FreePNG re-encodes with the browser Canvas API in your tab.