By George Curta · Last updated 2026-05-19
anonym.legal vs CaseGuard
CaseGuard is a multimedia redaction platform with AI-powered PII detection for documents, video, audio, and images. anonym.legal is a text PII anonymization platform with reversible encryption, 285+ entity types, and multiple interfaces for protecting text data.
Learn more about CaseGuard
Feature Comparison
| Feature | anonym.legal | CaseGuard |
|---|---|---|
| Primary Focus | PII Anonymization | Multimedia Redaction |
| Pricing | Free to €29/mo | Not published |
| Free Tier | Yes | Not found |
| PII Detection | Yes | Yes |
| PII Redaction | Yes | Yes |
| Reversible Encryption | AES-256-GCM | Not found |
| Entity Types | 285+ | Not specified |
| Language Support | 48 languages | Not specified |
| Video Redaction | No | Yes |
| Audio Redaction | No | Yes |
| Desktop App | Yes | Yes |
| Chrome Extension | Yes | Not found |
| MCP Server (AI Tools) | Yes | Not found |
| Office Add-in | Yes | Not found |
| REST API | Yes | Not found |
| Zero-Knowledge Auth | Yes | Not found |
Comparison based on publicly available information. "Not found" indicates feature not documented on product page. Last updated February 2026.
Why Choose anonym.legal
Reversible Encryption
AES-256-GCM encryption with your keys. Decrypt when needed—CaseGuard focuses on permanent redaction.
285+ Entity Types
Comprehensive PII detection with checksum validation for IDs across all industries.
Chrome Extension for AI
Protect data before sending to ChatGPT, Claude, or Gemini. Browser-level anonymization for AI workflows.
MCP Server + REST API
Integrate anonymization into workflows via API or Claude Desktop's MCP protocol.
48 Languages
Multi-language entity recognition with country-specific ID validation.
Transparent Pricing
Free tier + €3-29/month plans. Start immediately without sales calls.
Zero-Knowledge Security
Your password never leaves your device. Even if our servers were breached, your credentials remain safe.
When CaseGuard Might Be Better
CaseGuard excels in multimedia redaction scenarios:
- Video redaction: AI-powered face, license plate, and PII redaction in video files
- Audio redaction: Beep or silence sensitive audio segments in recordings
- Image redaction: Redact faces, objects, and text in images
- Legal/government use: FOIA requests, body camera footage, court documents
- Permanent redaction: When you need irreversible redaction, not reversible encryption
Frequently Asked Questions
What's the difference between anonym.legal and CaseGuard?
anonym.legal focuses on text PII with reversible encryption—you can decrypt later if needed. CaseGuard focuses on multimedia (video, audio, images) with permanent redaction. Different media types and reversibility models.
Can anonym.legal redact video or audio?
No. anonym.legal specializes in text PII anonymization with 285+ entity types. For video/audio redaction, CaseGuard is purpose-built for that use case.
Does CaseGuard offer reversible encryption?
Reversible encryption is not documented on CaseGuard's product page. Their focus is permanent redaction for compliance. anonym.legal provides AES-256-GCM reversible encryption.
Which is better for AI workflow protection?
anonym.legal, with its Chrome Extension and MCP Server designed for anonymizing text before sending to AI tools. CaseGuard focuses on document/multimedia redaction, not AI workflows.
Can I use both tools together?
Yes, they're complementary. Use CaseGuard for video/audio/image redaction, and anonym.legal for text PII with reversible encryption and AI tool protection.
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
Reversible encryption for text PII. 285+ entity types. AI workflow protection. 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.