NYMETRA

NYMETRA

SYTEWEB
+
+

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About

NYMETRA is a Windows and macOS desktop application that prepares confidential documents for use with generative AI. It detects personal and business identifiers in supported files, then lets users review and correct results before replacing selected values with consistent pseudonyms locally. Users can send the pseudonymized content to ChatGPT, Claude or Gemini through their own provider accounts and API credentials where required. NYMETRA can restore original values locally in AI-generated responses and uses OCR to process scanned documents. It is designed for legal, accounting, notarial, financial and other professional teams handling sensitive records. Original documents and correspondence tables remain on the user's computer during normal processing; pseudonymized requests go to the selected AI provider. Licenses are available for individual users, teams and larger organizations.

About

Velum Privacy masks personal data before it reaches an AI assistant, then restores the real values in the reply. Everything runs on your own machine. No servers, no accounts, no telemetry. Reversible by design: one-way redaction protects the data but breaks the answer. A local mapping means the reply comes back readable. Three surfaces, one engine. A browser extension for Chrome, Brave, Edge and Vivaldi, text masking free, no account. A macOS desktop app for documents, folders and coding agents over MCP, Windows in progress. A Jira and Confluence Cloud app that runs inside your own Atlassian instance. Detection combines pattern matching, checksum validation for IBANs and national IDs, and a local NER model across nine language variants. Accuracy is published, including failure rates: 99.8% must-mask F1 at the top tier. Verifiable, not asserted: the extension declares zero host permissions, and the desktop app names every outbound call and masks with the network off.

Platforms Supported

Windows Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Supported

Audience

Law firms, lawyers, legal departments, consultants, regulated professionals, and businesses handling sensitive or confidential information who want to use generative AI while maintaining control over their data.

Audience

Regulated professionals and small firms who handle other people's personal data and use AI assistants: law, accounting and tax, HR, healthcare admin, consulting. Also IT and security teams who need a control that works on personal, unmanaged accounts where enterprise DLP cannot reach, and Jira and Confluence administrators with GDPR erasure obligations. EU and UK organisations with GDPR exposure in particular.

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

€590 one-time
The Solo license is €590 excluding VAT as a one-time purchase for one user and two devices. It includes 12 months of Basic service; renewal is optional at €120 per year excluding VAT. Premium service renewal is €240 per year excluding VAT. AI provider charges are separate.
Free Version Not Supported
Free Trial Not Supported

Pricing

$149/year
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Velum Privacy offers a straightforward way to identify sensitive information and protect it when working with AI services. I like that privacy is built into the workflow rather than feeling like an additional complicated step. The product is easy to understand, and it gives teams more confidence when handling information they don't want exposed to AI tools.
  • Velum Privacy makes it easy to protect sensitive information before using AI tools. I particularly like the focus on privacy and the fact that it can help identify and handle sensitive data without making the workflow overly complicated. The interface is straightforward, and it feels like a practical solution for teams that want to use AI while keeping better control over their data.

Cons

  • I’d like to see broader integrations and more configuration options as the product develops, particularly for larger organizations with more complex requirements.
  • There is still some room for improvement in terms of integrations and customization options, especially for more advanced enterprise use cases

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Supported

Company Information

SYTEWEB
Founded: 2025
Belgium
nymetra.fr

Company Information

Velum Privacy
Founded: 2025
Spain
velumprivacy.com

Alternatives

Alternatives

IRI FieldShield

IRI FieldShield

IRI, The CoSort Company
IRI DarkShield

IRI DarkShield

IRI, The CoSort Company
IRI Data Protector Suite

IRI Data Protector Suite

IRI, The CoSort Company

Categories

Data Masking Supported

Categories

Data Masking Supported

Integrations

ChatGPT Supported
Claude Supported
Gemini Supported
Model Context Protocol (MCP) Not Supported

Integrations

ChatGPT Not Supported
Claude Not Supported
Gemini Not Supported
Model Context Protocol (MCP) Supported
Claim NYMETRA and update features and information
Claim NYMETRA and update features and information
Claim Velum Privacy and update features and information
Claim Velum Privacy and update features and information