The core archival file format of Gramps is named Gramps XML and uses the
file extension .gramps. It is extended from
XML. Gramps XML is a
free format, and its files are usually compressed using
gzip. The file format Portable Gramps XML Package uses the extension .gpkg and is currently a
.tar.gz archive including Gramps XML together with all referenced media. Users may rename the file extension .gramps to .gz for editing the content of the genealogy document with a text editor. Internally, Gramps uses
SQLite as the default database backend, with other databases available as plugins. Gramps can import from the following formats: Gramps XML, Gramps Package (Portable Gramps XML), Gramps 2.x .grdb (older versions Gramps),
GEDCOM,
CSV. Gramps supports exporting data in the following formats: Gramps XML, Gramps Package (Portable Gramps XML),
GEDCOM,
GeneWeb's GW format, Web Family Tree (.WFT) format,
vCard,
vCalendar,
CSV.
Programs that support Gramps XML • Gramps Web is a collaborative web app built on the core of Gramps itself and supports Gramps XML import and export • Betty by Bart Feenstra generates static websites from Gramps XML and Gramps XML Package files as alternatives to GEDCOM. •
PhpGedView (version 4.1 and up) supports output to Gramps XML. • The Gramps
PHP component JoomlaGen for
Joomla uses an upload of the GRAMPS XML database export to show genealogical information and overviews. JoomlaGen is compatible with GRAMPS 3.3.0. • The script tmg2gramps by Anne Jessel converts
The Master Genealogist v6 genealogy software datafile to a Gramps v2.2.6 XML. == Languages ==