diff --git a/security/otpauth/Makefile b/security/otpauth/Makefile
new file mode 100644
index 000000000000..695d9c0076c6
--- /dev/null
+++ b/security/otpauth/Makefile
@@ -0,0 +1,24 @@
+PORTNAME=	otpauth
+PORTVERSION=	0.5.1
+DISTVERSIONPREFIX=	v
+CATEGORIES=	security
+
+MAINTAINER=	bokutin@bokut.in
+COMMENT=	Google Authenticator migration decoder
+WWW=		https://github.com/dim13/otpauth
+
+LICENSE=        ISCL
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+USES=		go:modules
+
+PLIST_FILES=	bin/otpauth
+
+USE_GITHUB=	yes
+GH_ACCOUNT=     dim13
+GH_TUPLE=	\
+		google:uuid:v1.3.0:google_uuid/vendor/github.com/google/uuid \
+		skip2:go-qrcode:da1b6568686e:skip2_go_qrcode/vendor/github.com/skip2/go-qrcode \
+		protocolbuffers:protobuf-go:v1.28.1:protocolbuffers_protobuf_go/vendor/google.golang.org/protobuf
+
+.include <bsd.port.mk>
diff --git a/security/otpauth/distinfo b/security/otpauth/distinfo
new file mode 100644
index 000000000000..1e8a28de261f
--- /dev/null
+++ b/security/otpauth/distinfo
@@ -0,0 +1,9 @@
+TIMESTAMP = 1696259317
+SHA256 (dim13-otpauth-v0.5.1_GH0.tar.gz) = e64deea3540d70c93dd8e98dd6d90ff0ef6aa071f6618f55b9b1dae9207223d0
+SIZE (dim13-otpauth-v0.5.1_GH0.tar.gz) = 151982
+SHA256 (google-uuid-v1.3.0_GH0.tar.gz) = 7f7f37c47980e0afcc178a9ffc390bec29ed2371919b4c07658eb01791a7f921
+SIZE (google-uuid-v1.3.0_GH0.tar.gz) = 16210
+SHA256 (skip2-go-qrcode-da1b6568686e_GH0.tar.gz) = af179c37da861a43242fb4383186724b34866d7b5bd3e54ca44031a2b9f92046
+SIZE (skip2-go-qrcode-da1b6568686e_GH0.tar.gz) = 36693
+SHA256 (protocolbuffers-protobuf-go-v1.28.1_GH0.tar.gz) = df0b3dceeff0e1b6d029e60f076edd0d852cb8f3c2fe4fe3fe40164f16ec9b6b
+SIZE (protocolbuffers-protobuf-go-v1.28.1_GH0.tar.gz) = 1280756
diff --git a/security/otpauth/pkg-descr b/security/otpauth/pkg-descr
new file mode 100644
index 000000000000..f57b9c06f2b4
--- /dev/null
+++ b/security/otpauth/pkg-descr
@@ -0,0 +1,2 @@
+Convert Google Authenticator otpauth-migration://offline?data=...
+transfer links to plain otpauth links.