Best Data Masking Software in 2026
Updated
In short: MySQL is ranked #1 of 22 as of 5 October 2026, ahead of ARX Data Anonymization Tool and DataVeil. The best-ranked option with a free plan is ARX Data Anonymization Tool. The lowest first paid tier on this page is Tonic Fabricate at $29/mo.
Data masking software changes or substitutes data for work involving sensitive information. Compared on masking methods, data subsetting, and synthetic data, these options can be considered for how they prepare altered datasets. Database connectors and API access are useful points to review for integration, while referential integrity and deployment options add considerations for your data environment. Check free-plan availability and paid-from pricing alongside the technical criteria. MySQL, ARX Data Anonymization Tool, and DataVeil are among the 22 entries to compare with the database connections and project requirements that matter to you.
22 data masking software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
9 of the 22 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | MySQLWindows · Mac · Linux · Self-hosted · API | Three bars | — | 3 of 6 | Free | 6.6 | |
| 2 | ARX Data Anonymization ToolWindows · Mac · Linux · Self-hosted · API | Three bars | — | 3 of 6 | Free | 6.4 | |
| 3 | DataVeilWindows · Linux | Two bars | — | 2 of 6 | $474.17/mo | 6.4 | |
| 4 | GreenmaskMac · Linux · Self-hosted | Two bars | — | 2 of 6 | Free | 6.4 | |
| 5 | JailerWindows · Mac · Linux · API | Three bars | — | 3 of 6 | Free | 6.4 | |
| 6 | MOSTLY AIWeb · Linux · Self-hosted · API | Two bars | — | 2 of 6 | Free | 6.4 | |
| 7 | PostgreSQL AnonymizerWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.4 | |
| 8 | Oracle Cloud Infrastructure Secret ManagementWeb · API | Two bars | — | 1 of 6 | Free | 6.3 | |
| 9 | Tonic FabricateWeb · Self-hosted · API | Two bars | — | 1 of 6 | $29/mo | 6.3 | |
| 10 | DATPROFWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.4 |
| 11 | Data Mask StudioWindows | One bar | — | — | 1 of 6 | — | 5.3 |
| 12 | K2view Data MaskingWeb · Self-hosted · API | One bar | — | — | 1 of 6 | $10,000/mo | 5.3 |
| 13 | Open DiffixWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 14 | Informatica Product 360Web · Windows · Self-hosted · API | One bar | — | — | 2 of 6 | — | 5.1 |
| 15 | IRI DarkShieldWindows · Mac · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 16 | SDSAWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 17 | DataSunriseWeb · Windows · Linux · Self-hosted | Two bars | — | — | 3 of 6 | — | 5.0 |
| 18 | Perforce Delphix Data MaskingWeb | No signal | — | — | 1 of 6 | — | 5.0 |
| 19 | SynthoWeb | No signal | — | — | 1 of 6 | — | 5.0 |
| 20 | BigID Data MaskingWeb · Self-hosted · API | One bar | — | — | 1 of 6 | — | 4.9 |
| 21 | GenRocketWeb · Self-hosted · API | One bar | — | — | 1 of 6 | — | 4.9 |
| 22 | Libelle DataMaskingWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 4.8 |
Compare all 22 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Masking methods | Synthetic data |
|---|---|---|---|---|---|---|---|---|
| 1 | MySQL | 6.6 | Free plan | — | Yes | — | — | — |
| 2 | ARX Data Anonymization Tool | 6.4 | Free plan | Free | — | — | static | — |
| 3 | DataVeil | 6.4 | Free plan | $474.17/mo | Yes | — | — | — |
| 4 | Greenmask | 6.4 | Free plan | Free | Yes | — | static | Yes |
| 5 | Jailer | 6.4 | Free plan | Free | Yes | — | static | — |
| 6 | MOSTLY AI | 6.4 | Free plan | Free | Yes | — | — | — |
| 7 | PostgreSQL Anonymizer | 6.4 | Free plan | Free | Yes | — | both | Yes |
| 8 | Oracle Cloud Infrastructure Secret Management | 6.3 | Free plan | Free | Yes | — | — | — |
| 9 | Tonic Fabricate | 6.3 | Free plan | $29/mo | Yes | 29 /mo | — | — |
| 10 | DATPROF | 5.4 | No | — | — | — | — | — |
| 11 | Data Mask Studio | 5.3 | No | — | Yes | — | static | — |
| 12 | K2view Data Masking | 5.3 | No | $10,000/mo | — | — | both | Yes |
| 13 | Open Diffix | 5.3 | No | — | — | — | dynamic | Yes |
| 14 | Informatica Product 360 | 5.1 | No | — | No | — | — | — |
| 15 | IRI DarkShield | 5.1 | No | — | No | — | — | — |
| 16 | SDSA | 5.1 | No | — | — | — | static | No |
| 17 | DataSunrise | 5.0 | No | — | No | — | — | — |
| 18 | Perforce Delphix Data Masking | 5.0 | No | — | — | — | — | — |
| 19 | Syntho | 5.0 | No | — | — | — | — | — |
| 20 | BigID Data Masking | 4.9 | No | — | — | — | dynamic | Yes |
| 21 | GenRocket | 4.9 | No | — | No | — | — | — |
| 22 | Libelle DataMasking | 4.8 | No | — | No | — | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which data masking software is ranked first on Freedom251?
MySQL is ranked #1 of 22 with a score of 6.6. ARX Data Anonymization Tool is second and DataVeil third.
How many of these have a free plan?
9 of the 22 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Tonic Fabricate has the lowest first paid tier we found: $29/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.