How it works
From your document to AI, stay in control at every step.
Detection on your computer, approval by you, then the real information restored in the answer.
01on your computer
Original documentLetter to Marie Martin, Alpha Conseil. Reply to marie.martin@alpha.fr.
02on your computer
Detected itemsLetter to Marie Martin, Alpha Conseil. Reply to marie.martin@alpha.fr.
03sent to AI
Pseudonymised versionLetter to [PER_4K2M], [ORG_9T3X]. Reply to [MAIL_2B7D].
04on your computer
Restored answerDraft reply for Marie Martin, Alpha Conseil.
01 · Local detection
Start with your usual documents.
NYMETRA spots sensitive information directly on your computer.
.pdf.docx.doc.xlsx.txt.md.csv.log
Client-letter.pdfAnalysing…Client-letter.pdf
Subject: Alpha Conseil / Martin file
Contact: Marie MartinPhone: 06 12 34 56 78
Email: marie.martin@alpha.fr
Address: 12 rue des Lilas, 69003 Lyon
Detected items0
File subjectOrganisation
PersonPerson
PhonePhone
EmailEmail
AddressAddress
02 · Approval & pseudonymisation
You approve what must be protected.
Add, remove, correct. Once approved, items become consistent pseudonyms.
Before sendingApproval requiredAddRemoveCorrect
Marie MartinPerson
Alpha ConseilOrganisation
marie.martin@alpha.frEmail
Paul DurandAdded
Approve and pseudonymisePseudonymised version · pending
Letter to Marie Martin, Alpha Conseil.Reply to marie.martin@alpha.fr.
Copy to Paul Durand.
03 · AI & restoration
AI works on the copy. You get the original back.
The answer comes back with the codes. NYMETRA replaces them on your computer, automatically or on request.
See our security approach →GPTClaudeGemini
Write a polite reply to [PER_4K2M] for [ORG_9T3X].
Dear Ms [PER_4K2M], we are getting back to you about the [ORG_9T3X]…
Restore the original informationPseudonymised
Two ways to use it
Whatever the tool, the file goes through NYMETRA first.
Do everything in NYMETRA
Approve, ask the AI and get the answer without leaving NYMETRA.
Original file
Pseudonymised copy
Your AIAI
Restored answer
Keep your habits
Use the pseudonymised copy in your AI or an external business tool.
Original file
Pseudonymised copy
External AIYour tool
Restoration if needed
Compatibility
Formats and environments supported.
Files
.pdf.docx.doc.xlsx.txt.md.csv.log
AI
ChatGPTClaudeGemini
Environments
macOSWindowsiOS-compatible clientWeb interface, in the authorised environment
Ready to choose?