Free · Instant · Permanent

Prove your work exists.
Nobody can deny it.

Upload any document, contract, or creative work.

DataMirror creates an unforgeable timestamp —
proof it existed, proof it's unchanged.

✓ No lawyer✓ No notary✓ Free forever
Certify a Document — FreeVerify a Document
Free
No subscription
< 1 min
Certification time
1,000+
Documents certified
∞
Permanent record

Simple · Secure · Permanent

Three steps.
Anyone can do it.

No crypto knowledgeNo accountNo technical skills
Your data never leaves your device.
✓Works for contracts, invoices, photos, code
✓Accepted as legal timestamp evidence
✓Free — no subscription, no hidden fees
Try it now — free →
Drop your document
contract.pdf · photo.jpg · code.zip · any file
Unique fingerprint created
Computed on your device — file never uploaded
Locked on blockchain forever
Timestamped · Immutable · Publicly verifiable
Certificate ready to share 🎉
datamirror.app/verify/4xKp…mQ9r

Real-world use cases

Built for trust

Any data that needs to be undeniable.

🍎
Mac Certifications

ClariMac anchors every hardware diagnostic report on DataMirror. Buyers verify the report is real and unmodified.

clarimac.com ↗
📄
Legal Documents

Contracts, agreements, NDAs — prove a document existed at a specific date without relying on a third party.

Documents
🖼️
Creative Works

Photography, designs, code — timestamp your work and prove authorship before publishing.

IP Protection
🔧
Repair Reports

Repair shops anchor diagnostic results. Customers get immutable proof of what was found and fixed.

getfixhub.com ↗
📦
Supply Chain

Track product conditions at every step. Hash manifests and inspection reports for full traceability.

Logistics
🔐
Any Data

Any string, file, or dataset. If it can be hashed, it can be anchored. Build your own integrations via API.

API ↗

Trusted by

Already powering real products

🖥️
ClariMac — Mac health certification

Every Mac diagnostic report is automatically anchored on DataMirror. Buyers scan the QR code and verify the seller can't fake or alter the data.

clarimac.com ↗
1,000+
Anchored
< 2s
Verify time
~$0.001
Cost/proof
🔧
GetFixHub — Repair shop management

Repair shops anchor diagnostic results and invoices. Customers get an immutable, shareable proof of what was found and what was fixed.

getfixhub.com ↗
For developers · B2B API

Integrate blockchain proofs into your product

One POST request. Your app sends a hash or certificate ID — DataMirror anchors it on Solana and returns the transaction signature. No wallet required.

x-api-key authentication — no Solana wallet needed
Webhook support — get notified when TX is confirmed
Any data: hashes, cert IDs, document fingerprints
Returns a shareable verification link instantly
Used in production by ClariMac & GetFixHub
POST /api/anchor
# Anchor a hash via DataMirror B2B API
curl -X POST https://datamirror.app/api/anchor \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"certId": "CERT-2026-001",
"hash": "e3b0c44298fc1c149afb..."
}'
 
# Response
{
"tx": "4dos5Vxk3EnTN18z...",
"verifyUrl": "https://datamirror.app/verify/4dos..."
}

What people say

Trusted by builders & professionals

“Integrated DataMirror into our certification workflow in under an hour. Clients trust our reports instantly because the proof is on-chain.”

🖥️
J. Bernard
Software Developer

“As a freelance designer, I timestamp every deliverable before sending it. If a client ever disputes ownership, I have cryptographic proof that I created it first.”

🎨
Sarah M.
Freelance UX Designer

“I used DataMirror to certify a signed contract before a business dispute. The blockchain timestamp was accepted as evidence. It cost less than a dollar.”

📄
Marc L.
Small Business Owner

Ready to anchor your first proof?

Free. No account required. Permanent on Solana.

Get started — it's freeVerify a proof