diff --git a/src/main.c b/src/main.c
index daaadb0a..f423df38 100644
--- a/src/main.c
+++ b/src/main.c
@@ -49,6 +49,7 @@ static int _tf_command_import(const char* file, int argc, char* argv[]);
 static int _tf_command_publish(const char* file, int argc, char* argv[]);
 static int _tf_command_run(const char* file, int argc, char* argv[]);
 static int _tf_command_sandbox(const char* file, int argc, char* argv[]);
+static int _tf_command_store_blob(const char* file, int argc, char* argv[]);
 static int _tf_command_test(const char* file, int argc, char* argv[]);
 static int _tf_command_verify(const char* file, int argc, char* argv[]);
 static int _tf_command_usage(const char* file);
@@ -66,6 +67,7 @@ const command_t k_commands[] = {
 	{ "import", _tf_command_import, "Import apps to SSB." },
 	{ "export", _tf_command_export, "Export apps from SSB." },
 	{ "publish", _tf_command_publish, "Append a message to a feed." },
+	{ "store_blob", _tf_command_store_blob, "Write a file to the blob store." },
 	{ "verify", _tf_command_verify, "Verify a feed." },
 	{ "test", _tf_command_test, "Test SSB." },
 };
@@ -387,6 +389,96 @@ static int _tf_command_publish(const char* file, int argc, char* argv[])
 	return result;
 }
 
+static int _tf_command_store_blob(const char* file, int argc, char* argv[])
+{
+	const char* db_path = k_db_path_default;
+	const char* file_path = NULL;
+	bool show_usage = false;
+
+	while (!show_usage)
+	{
+		static const struct option k_options[] = {
+			{ "db-path", required_argument, NULL, 'd' },
+			{ "file", required_argument, NULL, 'f' },
+			{ "help", no_argument, NULL, 'h' },
+			{ 0 },
+		};
+		int c = getopt_long(argc, argv, "d:f:h", k_options, NULL);
+		if (c == -1)
+		{
+			break;
+		}
+
+		switch (c)
+		{
+		case '?':
+		case 'h':
+		default:
+			show_usage = true;
+			break;
+		case 'd':
+			db_path = optarg;
+			break;
+		case 'f':
+			file_path = optarg;
+			break;
+		}
+	}
+
+	if (show_usage || !file_path)
+	{
+		tf_printf("\n%s store_blob [options]\n\n", file);
+		tf_printf("options:\n");
+		tf_printf("  -d, --db-path db_path    SQLite database path (default: %s).\n", k_db_path_default);
+		tf_printf("  -f, --file file_path     Path to file to add to the blob store.\n");
+		tf_printf("  -h, --help               Show this usage information.\n");
+		return EXIT_FAILURE;
+	}
+
+	char* data = NULL;
+	size_t size = 0;
+	FILE* blob_file = fopen(file_path, "rb");
+	if (!blob_file)
+	{
+		tf_printf("Failed to open %s: %s.\n", file_path, strerror(errno));
+		return EXIT_FAILURE;
+	}
+
+	char buffer[16 * 1024];
+	while (true)
+	{
+		size_t bytes = fread(buffer, 1, sizeof(buffer), blob_file);
+		if (bytes > 0)
+		{
+			data = tf_resize_vec(data, size + bytes);
+			memcpy(data + size, buffer, bytes);
+			size += bytes;
+		}
+		else
+		{
+			break;
+		}
+	}
+	if (ferror(blob_file))
+	{
+		tf_printf("Failed to read %s: %s.\n", file_path, strerror(errno));
+		fclose(blob_file);
+		tf_free(data);
+		return EXIT_FAILURE;
+	}
+	fclose(blob_file);
+
+	char id[256];
+	tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, db_path, NULL);
+	if (tf_ssb_db_blob_store(ssb, (const uint8_t*)data, size, id, sizeof(id), NULL))
+	{
+		tf_printf("%s\n", id);
+	}
+	tf_ssb_destroy(ssb);
+	tf_free(data);
+	return EXIT_SUCCESS;
+}
+
 static int _tf_command_verify(const char* file, int argc, char* argv[])
 {
 	const char* identity = NULL;