Watermark, sign, and record your documents on blockchain. Share with confidence. Know who verified, who signed, and who accessed the original.
No complex setup. No software to install. Just upload, protect, and share.
Upload any PDF. Use our editor to add text, signatures, images, or annotations.
Add a watermark, record on blockchain, send for signing — or all three at once.
Generate a share link with optional access code and expiry date. Full control.
Anyone can verify authenticity instantly. You see who verified, when, and from where.
A complete document authentication platform built for professionals.
Embed an invisible cryptographic watermark with a unique verification code and QR. Instantly verify authenticity from anywhere.
All Tiers · Paid by Credit*Record your document's hash on Hyperledger Fabric. Creates an immutable, timestamped proof of existence that cannot be altered.
All Tiers · Paid by Credit*Send documents for signature via email. Signers receive a secure link, sign in-browser, and get a confirmation copy automatically.
All Tiers · Paid by Credit*Full in-browser PDF editor. Add text, draw, highlight, insert images, add shapes, and place signature fields. No software needed.
All Tiers · Edit CreditsShare watermarked versions with publishers or clients. Unlock the original only when you're ready — per recipient, revocable anytime.
Starter & ProLet share link recipients request full audit details via email verification. Document hashes, blockchain TX, signing timestamps — all provable.
Starter & ProAdd private searchable notes to any document. Context, reference numbers, client names — find documents instantly by note content.
Starter & ProCreate custom labels like "Invoice", "Contract", "NDA" and filter your dashboard instantly. Full organization for power users.
Pro OnlyShare documents with expiry dates, optional 6-digit access codes, and public/private visibility controls. Full access tracking.
All Tiers · FreePublic portal at verify.credibledocuments.com for instant document verification. Anyone can verify authenticity — no account needed.
All Tiers · FreeExport a complete PDF audit trail for any document — every verification, signing, and access event timestamped and formatted for legal use.
Pro OnlyProgrammatic document upload, watermarking, and management. Integrate Credible Documents into your own applications and workflows.
Pro Only* Credit costs vary by tier. Free tier: $5/credit. Starter: $3/credit. Pro: $2/credit.
From independent creators to legal teams — if your documents matter, Credible Documents protects them.
Send contracts for binding electronic signatures with full audit trails. Blockchain-recorded agreements that hold up in court. Know exactly when each party signed and from where.
Share your manuscript, design, or composition as a watermarked preview. Unlock the original only after payment or agreement. Prove you created it first with blockchain timestamping.
Manage NDAs, employment contracts, and compliance documents with verifiable signatures. Know who received what and when. Full document lifecycle tracking.
Issue tamper-proof certificates, licenses, and compliance documents. Recipients verify authenticity instantly via QR code. Auditors get full verification details on demand.
Issue digital diplomas, certificates, and transcripts that can be verified globally. No more fake credentials — blockchain-backed proof that cannot be forged.
Watermark sensitive financial documents before sharing. Track who accessed them and when. Send agreements for signing without back-and-forth email chains.
More than authentication — a complete document management platform for individuals, teams, and enterprises.
Full control over every document from creation to expiry. Set expiry dates, get notified before documents expire, renew on demand, and auto-delete expired files.
Find any document instantly. Filter by type, status, visibility, or custom labels. Search by filename or notes. The larger your library, the more powerful this becomes.
Keep your library clean and structured. Add private notes for context and searchability. Create custom labels for quick categorization. Organize into folders for large libraries.
Manage document workflows across your entire organization. Invite team members, assign roles, and maintain a shared document repository with enterprise-grade access controls.
Granular control over who sees what. Set documents as public or private. Protect share links with access codes. Grant, track, and revoke access to original files per recipient.
Every change, verification, signature, and access event is logged. Export a complete audit trail as a formatted PDF for legal or compliance use.
Low annual subscription unlocks better credit rates. Credits are purchased separately — only when you need them.
✓ No monthly charges. No auto-renewing credit bundles. Full control.Credits are used for Watermark, Blockchain Record, Signing, and Creative Content Protection. Purchase only when you need them.
Edit credits are used for the PDF Editor — adding text, annotations, images, shapes, and signatures to documents. Edit credits are separate from authentication credits and available on all tiers at the same price.
1 edit = one save operation in the PDF Editor. Edits include text, annotations, images, shapes, and signature placement. Authentication features (watermark, blockchain, signing) use separate authentication credits.
A complete breakdown of what's included in each tier.
* Watermark, Blockchain, and Signing are available on all tiers but are paid by credits. Credit cost varies by tier.
| Feature | Free | Starter $12.99/yr |
Pro $29.99/yr |
Business $79.99/yr |
Enterprise Custom |
|---|---|---|---|---|---|
| PDF Editor | ✓ | ✓ | ✓ | ✓ | ✓ |
| Watermark Protection* | ✓ | ✓ | ✓ | ✓ | ✓ |
| Blockchain Record* | ✓ | ✓ | ✓ | ✓ | ✓ |
| Electronic Signing* | ✓ | ✓ | ✓ | ✓ | ✓ |
| Secure Share Links | ✓ | ✓ | ✓ | ✓ | ✓ |
| Verification Portal | ✓ | ✓ | ✓ | ✓ | ✓ |
| 2FA Security | ✓ | ✓ | ✓ | ✓ | ✓ |
| Max Documents | 10 | Unlimited | Unlimited | Unlimited | Unlimited |
| Creative Content Protection | — | ✓ | ✓ | ✓ | ✓ |
| Full Verification Details | — | ✓ | ✓ | ✓ | ✓ |
| Document Notes (searchable) | — | ✓ | ✓ | ✓ | ✓ |
| Custom Labels & Filtering | — | — | ✓ | ✓ | ✓ |
| API Access | — | — | ✓ | ✓ | ✓ |
| Audit Log Export | — | — | ✓ | ✓ | ✓ |
| Document Folders | — | — | ✓ | ✓ | ✓ |
| Webhook Integrations | — | — | ✓ | ✓ | ✓ |
| Multi-user Teams | — | — | — | ✓ | ✓ |
* Watermark, Blockchain, and Signing require credits. Credit cost varies by subscription tier as shown above.
Every account and every document is protected by multiple layers of security — so you can focus on your work, not your risk.
Every login requires a 6-digit email code. Optional 30-day device trust for frequent users.
All accounts must verify their email before uploading documents. No anonymous uploads.
Brute force protection with automatic IP-based rate limiting and account lockout after failed attempts.
Every uploaded PDF is scanned with ClamAV before processing. Virus definitions updated daily.
Every document action is logged with timestamp and IP. Export a tamper-proof PDF audit log anytime.
Automated daily database backups with 10-day retention. You receive an email confirmation every morning.
All forms and API endpoints are protected against cross-site request forgery attacks.
JWT signing keys are automatically rotated monthly to limit exposure window.
File size limits enforced per plan to prevent abuse. Files are virus-scanned before any processing begins.
Turn any PDF into a fillable form. Place text, date, dropdown, checkbox and signature fields visually. Share via link or QR code and receive completed PDFs automatically.
Starter+ · Learn more →A transparent view of what's live, what's in development, and what's coming next.
Start free. No credit card required. Upgrade when you need more.
Credible Documents is addressing a fundamental gap in the digital economy — the inability to prove a document is authentic, unmodified, and legally signed.
Every day, millions of PDFs are shared, signed, and submitted — with no way to verify they haven't been tampered with. Existing solutions are either expensive enterprise tools, slow legal processes, or incomplete digital signatures.
Document fraud costs businesses billions annually. Invoice manipulation, contract alteration, and credential forgery are growing problems that current tools fail to solve affordably.
Credible Documents combines blockchain immutability, cryptographic watermarking, and electronic signing into one affordable SaaS platform — starting at $0. Anyone can protect, sign, and verify a document in minutes.
We run on a private Hyperledger Fabric blockchain, meaning enterprise customers can have their own chain — not shared infrastructure.
We are currently bootstrapped and growing. We welcome conversations with strategic investors, angels, and enterprise partners.
Get in Touch →