Every redaction tool asks you to upload sensitive documents somewhere. ZeroEgress is the only one that doesn't. Here's the full comparison.
Documents leave your device and are processed on Redactable's servers. Requires SOC 2 and HIPAA trust chain. From $19/month; pay-as-you-go available.
Extracts text in the browser, then sends it to an external AI API for classification. Text leaves your device. Free (1st doc) · $12 day pass · $29/mo · $99/yr.
Free browser-based redactor. Regex detection only, no AI, no named-entity recognition. No audit trail, no encrypted memory. Accepts PDF, DOCX, images (OCR) and CSV.
Browser-based redactor with local NER (model not specified) and reversible tokenization. Markets 23 industry profiles selected manually by the user. Signed session receipts (SHA-256); no tamper-evident event chain, no supply-chain attestation, no patent published. $15/mo or $110 lifetime.
AI model runs locally via WebAssembly. Documents, text, and results never leave the browser. Verify with DevTools > Network. Free during beta.
What matters when you're redacting regulated documents.
| Redactable | SafeRedact | 2redact | PrivacyScrubber | ZeroEgress | |
|---|---|---|---|---|---|
| Data stays on device | ✗ Cloud | Partial: text sent to API | ✓ | ✓ | ✓ 100% |
| AI-powered PII detection | ✓ | ✓ (external AI API) | ✗ Regex only | ✓ NER (model unspecified) | ✓ DistilBERT (WASM) |
| Documented open-source model (auditable) | Unknown | ✗ (external proprietary API) | ✗ (no model) | Unknown | ✓ dslim/distilbert-NER (Hugging Face) |
| Verified AI model supply chain (signed manifest, per-segment hash check) | ✗ | ✗ (external proprietary API) | ✗ (no model) | Unknown | ✓ ECDSA-signed manifest, every shard SHA-256-verified before use |
| Verifiable creation time (externally anchored) | ✗ (vendor-asserted log) | ✗ | ✗ | ✗ (signed receipts, no external anchor) | ✓ External time value bound at the chain origin; head digest can be timestamped externally |
| Auto-detects document type (healthcare / financial / legal / etc.) | ✗ | ✗ | ✗ | Partial: 23 industry profiles, manual selection | ✓ 9 profiles, auto-selected |
| No signup required | 3 free docs, account required | ✓ (1st doc free, no signup) | ✓ | Requires purchase ($15/mo or $110 lifetime) | ✓ Always |
| No installation | ✓ | ✓ | ✓ | ✓ | ✓ |
| Original text removed from output | ✓ | ✓ (pixel-burn) | Unknown | Unknown | ✓ (new file generated) |
| Output is searchable & accessible | ✓ | Likely not (pixel-burn renders as image) | Unknown | Unknown | ✓ Real text |
| Reversible tokens (work with AI, get details back) | ✗ | ✗ | ✗ | ✓ | ✓ [NAME_1] + Reveal |
| Cryptographic audit trail | Audit log (not cryptographic) | Enterprise plan only | ✗ | ✗ | ✓ HMAC-SHA256 chain + ECDSA-signed export + signed compliance certificate |
| Memory clearing (NIST SP 800-88) | ✗ | ✗ | ✗ | ✗ | ✓ |
| End-to-end encryption in browser | ✗ | ✗ | ✗ | ✗ | ✓ AES-256-GCM |
| Verifiable (DevTools) | ✗ | Partial: API calls visible | Unknown | Unknown | ✓ Zero requests |
| File formats | PDF, TIFF, PNG, JPG | PDF, JPG, PNG | PDF, DOCX, images (OCR), CSV | PDF, Word, Excel, PPT, JPG, PNG, TIFF | |
| SOC 2 / HIPAA certification | ✓ | ✗ | ✗ | ✗ | N/A: no server to audit |
| USPTO patent | ✗ | ✗ | ✗ | ✗ | ✓ |
| Price | 3 free docs, then from $19/mo; pay-as-you-go available | Free (1st doc) · $12 day pass · $29/mo · $99/yr | Free | $15/mo or $110 lifetime | Free (beta) |
Redactable uploads your document to their cloud. SafeRedact extracts text and sends it to an external AI API. ZeroEgress runs the entire AI pipeline, NER model, encryption, memory clearing, inside your browser. Open DevTools > Network tab during processing. You'll see zero outbound requests. That's the proof.
SafeRedact uses "pixel-burn", rendering each page as a new image. The original text is gone, but the output is likely not searchable or accessible to screen readers. ZeroEgress generates a completely new document with redacted text. The original text is never in the output, but the result is real, searchable, accessible text.
Redactable needs you to trust their servers, their SOC 2 auditor, their encryption, their employees. SafeRedact needs you to trust an external AI API provider's retention policy. ZeroEgress needs you to trust your browser. And you can verify it yourself, the code runs in front of you. Beyond watching DevTools, every session can export a signed compliance certificate and a signed audit trail that any third party verifies offline with standard tools.
Redactable has team collaboration and integrations with Clio and Google Drive. If you need 10 people working on the same document with shared workflows, Redactable is built for that. ZeroEgress is built for when data can't leave the device. Different problem, different tool.
Drop a document. Watch the Network tab. Nothing leaves.
Try ZeroEgress: free, no signup