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Free · Open source
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Eclusia
FreemiumSelf-Hosted
The moment a lawyer pastes a client brief into ChatGPT, or a developer logs an API key to a debugging session, the sensitive data is already gone — off-device, indexed, potentially retained. Eclusia exists to close that gap before the paste happens.
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Summary
Eclusia runs locally on your machine and replaces names, IBANs, phone numbers, API keys, and social security numbers with neutral placeholder tokens before you send anything to an external AI. The anonymized version goes to ChatGPT, Claude, or whichever tool you choose; the real values never leave your machine. After the AI responds, Eclusia swaps the tokens back in one step. The detection engine has a dedicated French-language name model — a real edge in a category where most tools are English-first. The ceiling appears at scale: the free tier covers three documents per thirty days, paid tiers cap out as well, and teams processing high document volumes at speed will find no API to wire Eclusia into a pipeline.
Bottom line: Eclusia fits the lawyer reviewing ten sensitive case files a week or the developer who needs to strip credentials from logs before sharing with an AI assistant — but a compliance team automating bulk document processing across hundreds of files will hit the absence of API access and need a different architecture.
Pricing Plans
Subscription- Price
- 6.99 €/month or 19.99 €/month
- Free Tier
- Gratuit jusqu'à 3 documents par période de 30 jours
Free
Free
Up to 3 documents per 30-day period
- 3 documents / 30 days
- Local analysis
Standard
$6.99per month
10 documents + unlimited text
- 10 documents/month
- Unlimited text
Unlimited
$19.99per month
No limits
- Unlimited documents and text
View full pricing on eclusia.com →
Pricing may have changed since last verified. Check the official site for current plans.
Find your fit
Before you choose Eclusia
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Pros
- All detection and anonymization runs locally on your machine, which means client names, IBANs, and API keys are never transmitted to a third-party server in the process of protecting them — removing the core compliance risk that stops legal and medical teams from using AI tools at all.
- Dedicated offline French-language name recognition, so French-language documents do not fall back on English-trained models that routinely miss names like Dupont or Lefebvre in context.
- Custom blacklist with user-defined terms always taking priority, which means codenames, confidential project labels, and niche client identifiers that no generic NER model would catch get masked consistently.
- One-click restoration with an encrypted, password-protected mapping file, so the round-trip from anonymized AI response back to real document stays auditable and nothing sensitive is written to disk in plaintext.
- Works with any AI service through copy-paste without a plugin or integration, so adding a new AI tool to your stack does not require reconfiguring Eclusia.
Cons
- No API is available, which means you cannot automate Eclusia into a document processing pipeline — a compliance team that needs to strip PII from hundreds of incoming files before routing them to an AI service has to build that anonymization layer separately, with a different tool, at which point Eclusia is not in the picture.
- Document volume is capped per billing period even on paid tiers, so a legal team with heavy weekly document throughput will hit the ceiling and either manage document counts manually or find the cap a recurring operational friction rather than a one-time setup cost.
- Detection accuracy depends on the offline model running on your local hardware, and the vendor provides no published benchmark on false-negative rates for edge cases — teams handling highly sensitive data where a single missed IBAN or name is a compliance incident should run their own validation pass rather than assume full coverage.
About
- Platforms
- Windows
- API Available
- No
- Self-Hosted
- Yes
- Last Updated
- September 9, 2026
Best For
Who it's for
- Legal professionals handling confidential cases
- Tech teams working with proprietary code or credentials
- Finance and real-estate firms managing client financial data
What it does well
- Anonymize client names and banking details in legal documents before AI review
- Mask API keys and project secrets in code or logs sent to AI coding assistants
- Protect patient or employee data in reports processed by external AI services
Integrations
Frequently Asked Questions
- Is Eclusia free?
- Eclusia offers a free option alongside paid upgrades. Pricing: 6.99 €/month or 19.99 €/month. Check the current allowances and terms before choosing a plan.
- Can I self-host Eclusia?
- Yes. Eclusia supports self-hosting on your own infrastructure.
- What platforms does Eclusia support?
- Eclusia is available on: Windows.
Curated lists that include this category
The moment a lawyer pastes a client brief into ChatGPT, or a developer logs an API key to a debugging session, the sensitive data is already gone — off-device, indexed, potentially retained.
How Eclusia works
Eclusia runs locally on Windows and replaces names, IBANs, phone numbers, API keys, and social security numbers with neutral placeholder tokens before anything leaves the machine. The anonymized text goes to ChatGPT, Claude, Gemini, Mistral, Copilot, Perplexity, or DeepSeek via copy-paste. After the response returns, Eclusia swaps the original values back in one step. A dedicated French-language name model improves detection for documents that English-first tools often miss. Users can add custom blacklist terms that take priority. The free tier allows three documents per thirty days; paid plans start at 6.99 €/month or 19.99 €/month.
Limitations
No API is available, so automation into document pipelines requires another tool. Volume caps apply on every tier, which creates recurring friction for high-throughput teams.
Who it is for / who should skip it
Best for legal professionals handling confidential cases, tech teams protecting code or credentials, and finance or real-estate firms managing client financial data. Skip it if you need API integration or must process more than a few documents each month without hitting limits.
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