By George Curta · Last updated 2026-05-28
anonym.legal vs Wald.ai
Wald.ai is an enterprise platform that places a context-aware DLP layer between users and AI models, automatically redacting sensitive data in prompts. anonym.legal provides similar prompt sanitization with transparent pricing, reversible encryption, 285+ entity types across 48 languages, and multiple integration options beyond a gateway.
Learn more about Wald.ai
Feature Comparison
| Feature | anonym.legal | Wald.ai |
|---|---|---|
| Primary Approach | Data Sanitization (replace PII with placeholders) | Gateway redaction |
| Pricing | Free to €29/mo | Enterprise (contact sales) |
| Free Tier | Yes | Not found |
| Prompt Sanitization | Yes | Yes |
| Context-Aware Redaction | Yes | Yes |
| Entity Types Detected | 285+ | Not specified |
| Language Support | 48 languages | Not specified |
| Reversible Encryption | AES-256-GCM | Not specified |
| AI Platforms Covered | Yes | ChatGPT, Claude, Gemini |
| Browser Extension | Yes | Not found |
| MCP Server (AI Tools) | Yes | Not found |
| Desktop App (Native) | Yes | Not found |
| Office Integration | Yes | Not found |
| LibreOffice Extension | Yes | Not found |
| EU Data Residency | Germany (Hetzner) | Not specified |
| 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
Transparent Pricing
Free tier with 200 tokens/month. Paid plans from €3/month. No enterprise-only pricing, no sales calls.
285+ Entity Types
Comprehensive PII detection with country-specific identifiers across 48 languages.
Reversible Encryption
AES-256-GCM encryption with decrypt capability. Essential for legal discovery and audits.
Multiple Integration Points
Chrome Extension, MCP Server, Desktop App, Office Add-in, LibreOffice Extension, REST API.
48 Languages
Multilingual PII detection with spaCy, Stanza, and XLM-RoBERTa NLP engines.
EU Data Residency
All processing in Germany (Hetzner). ISO 27001-certified.
Zero-Knowledge Auth
Argon2id zero-knowledge authentication. Password never leaves your device.
When Wald.ai Might Be Better
Wald.ai may suit certain enterprise scenarios:
- Gateway architecture: Prefer a centralized proxy between all users and AI providers
- Enterprise procurement: Already in an enterprise procurement cycle with Wald.ai
- Context-aware AI: Need context-aware redaction tuned specifically to AI prompt structure
- Managed deployment: Want a fully managed enterprise AI security layer
Frequently Asked Questions
How do anonym.legal and Wald.ai compare for AI prompt protection?
Both sanitize prompts before they reach AI models. anonym.legal offers transparent pricing (free to €29/month), 285+ entity types across 48 languages, reversible encryption, and multiple tools (Chrome Extension, MCP Server, Desktop App). Wald.ai provides enterprise-grade gateway redaction with custom pricing.
Does anonym.legal support context-aware redaction?
Yes. anonym.legal uses hybrid detection (regex + NLP + ML) with 285+ entity types that understand context — distinguishing between a person's name and a company name.
Which supports more languages?
anonym.legal explicitly supports 48 languages with dedicated NLP models. Wald.ai's language support is not specified on their product page.
Can I try anonym.legal before committing?
Yes. Permanent free tier with 200 tokens per 30-day cycle. No credit card, no time limit.
Which has more integration options?
anonym.legal provides 6 integration methods: Chrome Extension, MCP Server, Desktop App, Office Add-in, LibreOffice Extension, REST API. Wald.ai operates primarily as a centralized AI gateway.
Does anonym.legal offer zero-knowledge auth?
Yes. Argon2id + HKDF. Password never leaves your device.
Try anonym.legal Free
Transparent pricing. Reversible encryption. 48 languages. Start with 200 free tokens.
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.