By George Curta · Last updated 2026-05-19
anonym.legal vs John Snow Labs
John Snow Labs is a healthcare NLP specialist with industry-leading PHI de-identification (96% F1 accuracy) for clinical notes, FHIR resources, and medical documents. anonym.legal is a multi-industry PII platform with 285+ entity types, reversible encryption, and multiple delivery methods for all business domains.
Learn more about John Snow Labs
Feature Comparison
| Feature | anonym.legal | John Snow Labs |
|---|---|---|
| Primary Focus | PII Anonymization | Healthcare PHI |
| Pricing | Free to €29/mo | Enterprise (not published) |
| Free Tier | Yes | Not found |
| PII Detection | Yes | — |
| PII Anonymization | Yes | Check |
| Reversible Encryption | AES-256-GCM | Tokenization/obfuscation (claimed) |
| Entity Types | 285+ | Healthcare-focused |
| Language Support | 48 languages | Not specified |
| HIPAA Compliance | Yes | Check |
| Safe Harbor / Expert Determination | Yes | Check |
| Clinical Notes / FHIR | Yes | Check |
| Self-Hosted Option | No | Process in-place (claimed) |
| Chrome Extension | Yes | — |
| MCP Server (AI Tools) | Yes | — |
| Office Add-in | Yes | — |
| Desktop App | Yes | — |
| Zero-Knowledge Auth | Yes | — |
Comparison based on publicly available information. "Not found" indicates feature not documented on product page. Last updated February 2026.
Why Choose anonym.legal
Multi-Industry Coverage
285+ entity types across healthcare, legal, financial, and all business domains—not limited to healthcare.
Reversible Encryption
AES-256-GCM encryption with your keys. Full de-anonymization when legally required.
Multiple Interfaces
Chrome Extension, MCP Server, Office Add-in, Desktop App, and REST API. Choose your workflow.
48 Languages
Multi-language entity recognition with country-specific ID validation for global operations.
AI Tool Protection
Anonymize data before sending to ChatGPT, Claude, or Gemini via Chrome Extension or MCP Server.
Transparent Pricing
Free tier + €3-29/month plans. No enterprise-only pricing or sales calls required.
Zero-Knowledge Security
Your password never leaves your device. Even if our servers were breached, your credentials remain safe.
When John Snow Labs Might Be Better
John Snow Labs excels in specialized healthcare NLP:
- Clinical NLP expertise: 96% F1 accuracy on medical NER benchmarks—industry-leading for healthcare
- FHIR resource processing: Native support for HL7 FHIR healthcare data standards
- Clinical notes de-identification: Specialized models for unstructured clinical documentation
- In-place processing: Process data without moving it from secure healthcare environments
- Healthcare-only organizations: If 100% of your de-identification needs are healthcare PHI
Frequently Asked Questions
What's the difference between anonym.legal and John Snow Labs?
John Snow Labs is a healthcare NLP specialist with best-in-class PHI de-identification for clinical data. anonym.legal is a multi-industry platform with 285+ entity types, reversible encryption, and multiple delivery methods (Chrome Extension, MCP Server, Office Add-in, Desktop App, API).
Can anonym.legal handle HIPAA compliance?
Yes. anonym.legal detects all 18 HIPAA identifiers and supports Safe Harbor de-identification. However, John Snow Labs has deeper healthcare-specific features like FHIR processing and clinical note models.
Which has better accuracy for healthcare data?
John Snow Labs reports 96% F1 accuracy on medical NER benchmarks—the highest in the industry for healthcare. If your sole focus is clinical PHI, they may have an edge. anonym.legal provides strong healthcare coverage plus 285+ entity types across all industries.
Does John Snow Labs offer a Chrome Extension or MCP Server?
These features are not documented on John Snow Labs' product page. anonym.legal provides both for protecting data before sending to AI tools—a key differentiator for AI workflow protection.
Can I use anonym.legal for non-healthcare PII?
Yes, that's a key advantage. anonym.legal covers healthcare, legal, financial, personal data, and 285+ entity types across all industries. John Snow Labs specializes in healthcare PHI.
Does anonym.legal offer zero-knowledge authentication?
Yes. anonym.legal uses zero-knowledge authentication with Argon2id and HKDF. Your password is processed on your device — only a mathematical proof is sent to the server, never the actual password.
Try anonym.legal Free
285+ entity types. All industries. Reversible encryption. Start with 200 free tokens today.
About this page
We update this page when our platform or the law changes.
Read our founder note for how we work.
Each change shows up in the timestamp at the top.
Related reading
- Common questions
- Glossary
- How tokens work
- Security posture
- Where we comply
- What we detect
- Case studies
- Release notes
We follow these rules
- GDPR (EU 2016/679).
- ISO/IEC 27001:2022.
- NIS2 (EU 2022/2555).
- HIPAA safe harbor under 45 CFR § 164.514(b)(2).
Our promise
We do not sell your data.
We do not train models on your text.
We store your files in Germany.
You can delete your account at any time.
You own your work.
Where we run
Our servers live in Falkenstein, Germany.
We use Hetzner. They hold ISO 27001 certification.
All data stays in the EU.
Backups run every day.
Need help?
Email support@anonym.legal.
We reply within one business day.
How we test
We run a full check suite on every release.
Each surface gets its own sweep script and report.
Human reviewers spot-check the output each week.
We track recall and precision on a labelled set.
Bad runs block the deploy.
What we never do
- We never sell your information to third parties.
- We never train models on what you upload.
- We never keep your work after you delete it.
- We never share keys with any outside firm.
- We never run ads inside the product.
Plans in plain words
We sell credits, not seats.
One credit covers one short job.
Long jobs use a few credits each.
You can top up at any time.
Unused credits roll over each month.
Read the plans page for current rates.
Who built this
A small team of engineers and lawyers built this.
We ship from Europe and work in the open.
Our founder note spells out why we started.
Where to start
- Open the web app and try a sample file.
- Learn how credits get counted.
- See current plans and limits.
- Meet the team behind the product.
How the parts fit
A browser add-on cleans text inside Chrome.
A Word plug-in handles drafts in Office.
A small desktop tool works on whole folders.
An agent protocol link feeds large models safely.
All four share one core engine and one rule set.
Words from our team
We started this work after a lunch about cookies.
One friend kept getting odd ads on her phone.
We asked why a court file leaked through a draft.
We sketched the first build on a napkin that week.
By month three we had a tiny demo for a friend.
She used it on her first case the next day.
Common questions we hear
Can the tool read scanned PDFs? Yes, with OCR.
Does it work on long files? Yes, in small chunks.
Can I roll my own rule set? Yes, save it as a preset.
Does it run offline? The desktop build runs offline.
Do you keep my files? No, the cloud build wipes after each run.
Will it learn from my work? No, we never train on inputs.
A short tour of the workflow
Upload a file or paste a snippet of prose.
Pick the entities you want gone from the draft.
Choose a method: replace, mask, hash, encrypt, or redact.
Press run and watch the side panel show each hit.
Skim the result and tweak any rule that misfired.
Save the cleaned file or send it to a teammate.