No lawyers. No waiting required. On-demand,
verifiable protection for less than a dollar.
Get instant, verifiable proof of authorship — timestamped,
tamper-proof, and ready to share.
Perfect for contracts, creative work, clinical data, R&D files, and more.
Supports PDFs, images, spreadsheets, ZIPs, and more. Whatever the format, iStamp makes it verifiable.
From upload to certificate in seconds.
In just three steps, you'll have a certified, tamper-proof record
of your work ready to download, store, or share.
Step 1
Upload your document, design, code, or content. All common formats under 100MB are supported.
Start nowStep 2
We generate a secure, time-stamped certificate using decentralized infrastructure — no blockchain knowledge needed.
Start nowStep 3
Download it for your records, or share with clients, partners, or courts as irrefutable proof of creation.
Start nowWhy Choose iStamp?
Why wait weeks or spend hundreds? Get the same legal-grade proof
of authorship faster, less expensive, and built for creators.
Speed
Near Instant
Auditability
Tamper-proof, blockchain-verified
Availability
24/7, Global, Online
Cost
Less than $1 per document
Speed
Days to weeks
Auditability
Paper trails, prone to loss or error
Availability
Limited by office hours
Cost
$5 to $50 per document
Yes, digital certificates serve as strong evidence of authorship and timestamping in most jurisdictions.
No experience required. We handle all blockchain aspects in the background for you.
We support PDFs, images, CSVs, ZIP files, and many other common formats under 100MB.
No, only a secure fingerprint (hash) is stored, ensuring your data remains private.
Each certificate includes a verification link and QR code anyone can use to confirm authenticity.
No, blockchain certificates are immutable. If needed, you can issue a new certificate.
Yes, our certificates are designed to meet legal and compliance standards worldwide.