Select Files
You choose images or PDFs from local storage.
Live Preview
Upload files to see a watermark preview
Why the privacy claim is real
How Stampix works (client-side)
Your files stay on your device during processing. Stampix runs in-browser and exports directly to you.
Process in Browser
Watermarking, resizing, and conversion happen in your tab using JavaScript.
Download Results
Outputs are packaged as ZIP and saved locally by your browser.
No account required. No upload queue. No server-side file storage in this workflow.
Who uses Stampix
Photographers
Protect proofs and delivery galleries without sending client files to third-party servers.
E-commerce Sellers
Batch-resize and watermark listing images for Shopify, Etsy, and social catalogs.
Agencies and Teams
Process confidential drafts, review PDFs, and branded assets faster with local-first workflows.