diff --git a/converters/Makefile b/converters/Makefile
index cf490745f41b..3f23e1cfea15 100644
--- a/converters/Makefile
+++ b/converters/Makefile
@@ -167,6 +167,7 @@
     SUBDIR += recode
     SUBDIR += rubygem-base32
     SUBDIR += rubygem-base64
+    SUBDIR += rubygem-base6402
     SUBDIR += rubygem-iconv
     SUBDIR += rubygem-json-ld
     SUBDIR += rubygem-json-ld-preloaded
diff --git a/converters/rubygem-base6402/Makefile b/converters/rubygem-base6402/Makefile
new file mode 100644
index 000000000000..ecc3a43a6562
--- /dev/null
+++ b/converters/rubygem-base6402/Makefile
@@ -0,0 +1,21 @@
+PORTNAME=	base64
+PORTVERSION=	0.2.0
+CATEGORIES=	converters rubygems
+MASTER_SITES=	RG
+PKGNAMESUFFIX=	02
+
+MAINTAINER=	sunpoet@FreeBSD.org
+COMMENT=	Encode and decode binary data using a Base64 representation
+WWW=		https://github.com/ruby/base64
+
+LICENSE=	BSD2CLAUSE RUBY
+LICENSE_COMB=	dual
+LICENSE_FILE_BSD2CLAUSE=${WRKSRC}/LICENSE.txt
+
+USES=		gem
+
+NO_ARCH=	yes
+
+PORTSCOUT=	limit:^0\.2\.
+
+.include <bsd.port.mk>
diff --git a/converters/rubygem-base6402/distinfo b/converters/rubygem-base6402/distinfo
new file mode 100644
index 000000000000..a1594f065c32
--- /dev/null
+++ b/converters/rubygem-base6402/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1699774686
+SHA256 (rubygem/base64-0.2.0.gem) = 0f25e9b21a02a0cc0cea8ef92b2041035d39350946e8789c562b2d1a3da01507
+SIZE (rubygem/base64-0.2.0.gem) = 8704
diff --git a/converters/rubygem-base6402/pkg-descr b/converters/rubygem-base6402/pkg-descr
new file mode 100644
index 000000000000..cfcfcb297cb2
--- /dev/null
+++ b/converters/rubygem-base6402/pkg-descr
@@ -0,0 +1,3 @@
+The Base64 module provides for the encoding (#encode64, #strict_encode64,
+#urlsafe_encode64) and decoding (#decode64, #strict_decode64, #urlsafe_decode64)
+of binary data using a Base64 representation.