SendOwl
Sell anything digital anywhere
Stampfox
Sell stamped personalized & watermarked PDFs
by Engine · Launched: May 2026 · Free plan available.
Built for Shopify
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About Stampfox
Stampfox helps Shopify merchants sell personalized and protected PDF downloads. Upload your PDF, create a stamp template with customer and order details like name, email, and order number. After purchase, customers get instant access to a personalized stamped copy. Use Stampfox to reduce unauthorized sharing, control download access after refunds or cancellations, track every download, and deliver files through checkout, order status, email, or your storefront. Sell PDFs and deliver stamped, watermarked copies automatically after checkout Stamp PDFs with custom templates using text, images, and order data Protect PDFs. Customers never receive the original, only the stamped version Personalize PDFs with buyer name, email, and order details on every download Watermark PDFs and track downloads with per-product refund access controls Show more Show less
Last verified: July 21, 2026 · Fresh
App details
- Developer
- Engine
- Category
- Selling products
- Pricing
- Free plan available
- Launched
- May 2026
- Rating
- 0.0 on Shopify
Key features
- 1 document
- 2 MB max file size
- 20 orders/month
- Unlimited downloads per order
- Stampfox branding on download page
Customer accounts
4 plans · starts free · 7-day free trial
Free
Free
Starter
$5/month
Growth
$25/month
Business
$65/month
Plans and prices as listed on the Shopify App Store.
