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Tech riderRev. 22 Sept 2026

Data Mask Studio

Ch 205.3of 22 Data Masking Software
  1. 1Runs onWindows
  2. 2CostsNot stated by the maker
  3. 3Masking methodsstatic
2 lines stated Written from the maker's own pages: gustavo-wallace.github.io
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The Data Mask Studio homepage

Overview

Data Mask Studio is ranked #20 of 22 in data masking software on Specifiction. It runs on Windows.

Compared on data masking software

Free plan
Yesgustavo-wallace.github.io
Masking methods
staticgustavo-wallace.github.io

Facts

Purpose
Data Mask Studio is a Windows desktop application for masking sensitive data in CSV files and local HTML content.gustavo-wallace.github.io · 4 Oct 2026
Deterministic masking
It generates consistent tokens so repeated values can remain correlated across records and files.gustavo-wallace.github.io · 4 Oct 2026
CSV workflows
It supports column selection, individual or batch CSV masking, and selective restoration.github.com · 4 Oct 2026
HTML restoration
It can restore known codes in local HTML files and dashboards while preserving document markup.gustavo-wallace.github.io · 4 Oct 2026
Encrypted vault
Original representations and mappings are kept in an encrypted local vault, with restoration requiring access to that vault.gustavo-wallace.github.io · 4 Oct 2026
Cryptography
The site says tokens use HMAC-SHA256, vault data uses AES-256-GCM, and local keys are protected with Windows DPAPI.gustavo-wallace.github.io · 4 Oct 2026
Privacy
Processing stays local, with no telemetry or automatic synchronization of sensitive information.gustavo-wallace.github.io · 4 Oct 2026
Backups and maintenance
It supports password-protected portable backups, vault integrity auditing, diagnostics, temporary-file cleanup, and controlled vault compaction.gustavo-wallace.github.io · 4 Oct 2026
Large files
The README says processing uses bounded-memory streaming for large files.github.com · 4 Oct 2026
Distribution
Each release provides a per-user Windows installer and a portable ZIP package.github.com · 4 Oct 2026
Limits
The distribution targets Windows because it relies on Windows DPAPI; it has no synchronization, telemetry, automatic updating, or remote key recovery.github.com · 4 Oct 2026
Security caveat
The maker says the product does not guarantee irreversible anonymization, and the executables are not digitally signed yet.gustavo-wallace.github.io · 4 Oct 2026
License
Data Mask Studio is distributed under the GNU General Public License v3.0 only.gustavo-wallace.github.io · 4 Oct 2026

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Where it ranks on Specifiction

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Sources