Here are the most popular questions.
You can import images of any size into Stamp.Ninja. The export will be limited to 1200 pixels by 800 pixels. We are continuously improving the quality of exported images.
Your images never leave your computer. Stamp.ninja processes everything directly in your browser — no data is ever sent to any server.
Stamp.ninja offers a free plan (up to 3 photos per session, 4 corner positions, M size). The Pro plan at €9/month unlocks unlimited photos, 9 positions, and 4 sizes (S, M, L, XL). Your subscription is managed via a magic link sent by email — no account or password required.
Still have a question about our service? Contact us