Jailer

7.0easy start · #3 of 22
in Data Masking Software

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, Windows.

Jailer is ranked #3 of 22 in data masking software on The Geeks Club. It runs on API, Linux, macOS, Windows. There is a free plan.

Jailer plans and pricing

All plans

Jailer Free Apache License 2.0 · Database tool github.com · 30 Sept 2026

Compared on data masking software

Free plan: Yes
Masking methods: static
Referential integrity: Yes
Deployment options: on-premises
Data subsetting: Yes
API access: Yes

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The record

Purpose: Jailer creates small, referentially intact database slices and lets users browse data through table relationships.
Use case: The project describes creating small test data samples and analyzing local problems with relevant production data as intended uses.
Exports: Jailer can generate topologically sorted SQL, JSON, YAML, XML, and DbUnit datasets.
Data browser: The Data Browser navigates bidirectionally through foreign key based or user defined relationships between tables.
SQL console: The SQL Console includes code completion, syntax highlighting, database metadata visualization, and interactive charts with 11 chart types.
AI features: AI features include natural language database subsetting, SQL generation, and assistance analyzing, explaining, and refactoring SQL queries.
AI integrations: The AI Query Assistant supports Anthropic or OpenAI compatible APIs, with examples including OpenAI, Azure, Groq, Ollama, and OpenRouter.
Database support: Jailer uses JDBC and lists support features for databases including PostgreSQL, Oracle, MySQL, SQL Server, SQLite, Redshift, Snowflake, and ClickHouse.
Other integration: The project says Liquibase integration can generate DDL scripts for creating database objects.
Programmatic access: The API provides programmatic access to data export and import through the Subsetter and Importer classes.
Security and license: The repository contains an Apache License, Version 2.0; the pages reviewed do not state security certifications or compliance claims.
Platforms: The project documents Windows installers and Linux installers, and says the platform independent archive can be run on Unix, Linux, or macOS.
Support: The project directs users to GitHub Discussions for questions and GitHub Issues for bug reports and feature requests, and provides a legacy SourceForge forum.
Price from: Free

Where it ranks on The Geeks Club

Best Data Masking Software in 2026#3 of 22

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Sources

wisser.github.io/Jailer/· checked 30 Sept 2026
github.com/Wisser/Jailer· checked 30 Sept 2026
wisser.github.io/Jailer/api.html· checked 30 Sept 2026
github.com/Wisser/Jailer/blob/master/license.txt· checked 30 Sept 2026
wisser.github.io/Jailer/download.html· checked 30 Sept 2026
wisser.github.io/Jailer/forum.html· checked 30 Sept 2026