Frequently Asked Questions

RedactProof uses a zero-knowledge architecture. Your documents are processed entirely in your browser and never uploaded to any server. We literally cannot see your files.

Nowhere but your device. Documents stay in your browser memory during processing and are discarded when you close the tab. We have no servers storing user documents.

Yes. Because documents never leave your device, you maintain full control over personal data processing, which aligns with CCPA requirements for data minimisation and security.

Our AI model detects over 40 types of sensitive information including names, addresses, phone numbers, email addresses, national ID numbers, bank account details, medical record numbers, and more.

Yes. You can use AI detection to find PII automatically, then review and adjust before applying redactions. You can also draw manual redaction boxes on any part of the document.

Verification certificates are cryptographic proofs that a document was redacted at a specific time. They include document hashes that can prove the redacted version originated from a specific source document, without revealing the original content.

Yes. The free tier includes regex-based pattern detection (emails, phone numbers, etc.) and basic redaction features. AI-powered detection and verification certificates require a paid plan.

We accept all major credit cards through Stripe. Enterprise customers can arrange invoice billing.

Yes. You can cancel your subscription at any time. You'll continue to have access until the end of your billing period.

RedactProof works in all modern browsers including Chrome, Firefox, Safari, and Edge. We recommend using the latest version for the best experience.

Currently, RedactProof supports PDF documents. We process the PDF entirely in your browser, including text extraction and OCR for scanned documents.

There's no hard limit, but very large files may be slower to process as everything happens in your browser. For best performance, we recommend files under 50MB.