# H2 Database Engine Welcome to H2, the Java SQL database. The main features of H2 are: Very fast, open source, JDBC API Embedded and server modes; in-memory databases Browser based Console application Small footprint: around 2.5 MB jar file size
## Download Version 2.2.220 (2023-07-04)
| Windows Installer (6.7 MB)
| All Platforms (zip, 9.5 MB)
All Downloads
## Support Stack Overflow (tag H2) Google Group For non-technical issues, use:
## Features Very fast, open source, JDBC API Embedded and server modes; disk-based or in-memory databases Transaction support, multi-version concurrency Browser based Console application Encrypted databases Fulltext search Pure Java with small footprint: around 2.5 MB jar file size ODBC driver
## News Newsfeeds: Full text (Atom) or Header only (RSS). Email Newsletter: Subscribe to H2 Database News (Google account required) to get informed about new releases. Your email address is only used in this context.
## Contribute You can contribute to the development of H2 by sending feedback and bug reports, or translate the H2 Console application (for details, start the H2 Console and select Options / Translate). To donate money, click on the PayPal button below. You will be listed as a supporter: