Gettext PO File

The GNU gettext toolset helps programmers and translators at producing, updating and using translation files, mainly through PO files which are textual, editable files.
You can either import and export them manually on the dashboard or you can automate your gettext .po file translation process with the Applanga Localization CLI.

Website: https://www.gnu.org/software/gettext/manual/html_node/PO-Files.html

File Extension
.po
CLI format key
gettext_po
CLI Supported
true
SDK Supported
false
String Description Supported
true
Pluralization Supported
true

Example:

msgid ""
msgstr ""
"Language: en\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"
"X-Generator: Applanga (applanga.com)\n"

msgid "empty_string_key"
msgstr ""

# Here is the description of the key
msgid "with_description_key"
msgstr "This key has a description in some file-formats."

msgid "with_line_break_key"
msgstr ""
"This key has a line break\n"
"in it."

msgid "nested_key.level_one_a.level_two"
msgstr "A deeply nested key."

msgid "nested_key.level_one_b"
msgstr "A nested key."

msgid "array_key[0]"
msgstr "first entry"

msgid "array_key[1]"
msgstr "second entry"

msgid "array_key[2]"
msgstr "third entry"

msgid "simple_key"
msgstr "Most basic translation."

msgid "plural_key"
msgid_plural ""
msgstr[0] "Plural key one"
msgstr[1] "Plural key other"