diff --git a/README.md b/README.md
index cbe9de5..89d7f57 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,24 @@
 
 - Read file excel to json
 - Custom mapping with custom columns and configs
+- Custom props
+
+# Install
+```shell
+npm i excel2json-xlsx
+```
+OR
+```shell
+yarn i excel2json-xlsx
+```
+OR Global Install
+```shell
+yarn add global excel2json-xlsx
+```
+Usage
+```shell
+excel2json-xlsx -i people.xlsx -o exported.json
+```
 
 # Build
 
diff --git a/bin/cli.js b/bin/cli.js
new file mode 100644
index 0000000..55af658
--- /dev/null
+++ b/bin/cli.js
@@ -0,0 +1,44 @@
+#!/usr/bin/env node
+
+const yargs = require("yargs");
+const excel2json = require("./../excel2json");
+
+const options = yargs
+  .usage("Usage: -i <input> -o <output> -m <mapper>")
+  .option("i", {
+    alias: "input",
+    describe: "Input File Excel (Required .xlsx)",
+    type: "string",
+    demandOption: true,
+  })
+  .option("o", {
+    alias: "output",
+    describe: "Output File to JSON",
+    type: "string",
+    demandOption: false,
+  })
+  .option("m", {
+    alias: "mapper",
+    describe: "Mapper File in JSON",
+    type: "string",
+    demandOption: false,
+  })
+  .option("s", {
+    alias: "sheet",
+    describe: "Sheet Name in workbook",
+    type: "string",
+    demandOption: false,
+  })
+  .argv;
+
+const inputFile = options.input;
+const outputFile = options.output;
+const mapperFile = options.mapper;
+const sheetName = options.sheet;
+
+const exported = excel2json({
+  inputFile: inputFile,
+  mapperFile: mapperFile,
+  outputFile: outputFile,
+  sheetName: sheetName,
+});
diff --git a/excel2json.d.ts b/excel2json.d.ts
index c1408ca..78d5980 100644
--- a/excel2json.d.ts
+++ b/excel2json.d.ts
@@ -2,6 +2,7 @@ interface Excel2JsonProps {
   mappings?: Array<any>;
   saveToOutput?: boolean;
   outputPath?: string;
+  outputFile?: string;
   outputName?: string;
   sheetName?: string;
   inputFile?: string;
diff --git a/excel2json.js b/excel2json.js
index 2797060..7d5f5ef 100644
--- a/excel2json.js
+++ b/excel2json.js
@@ -1,10 +1,11 @@
 const XLSX = require("xlsx");
 const fs = require("fs");
+const { splitFilepath } = require("./util");
 
 // do export for excel to json output or data json object
 function _internalExport(props = {}) {
   const NAME = process.env.APP_NAME || "excel2json";
-  console.log("APP NAME =>", NAME, "\n");
+  console.log("Name =>", NAME, "\n");
 
   // load from env
   const INPUT_FILE =
@@ -36,7 +37,6 @@ function _internalExport(props = {}) {
   // convert mapper from string to json object
   const mapperJson = mapperString ? JSON.parse(mapperString) : {};
   const configs = { ...mapperJson.configs, ...props };
-  console.log(configs);
   const columsData = props.mappings || mapperJson.data || undefined;
 
   // read workbook from excel file
@@ -61,31 +61,47 @@ function _internalExport(props = {}) {
   });
 
   // able to save to output or not (default is true)
-  if (configs.saveToOutputput) {
-    // parse a new path
-    const outputPath = configs.outputPath || OUTPUT_PATH;
+  if (configs.saveToOutputput || configs.outputFile) {
+    var outputPath = undefined;
+    const filePath = splitFilepath(configs.outputFile);
 
-    // check directory and create it if not exist
-    if (!fs.existsSync(outputPath)) {
-      fs.mkdirSync(outputPath, { recursive: true });
+    // validate path and filename
+    if (filePath && filePath.path) {
+      outputPath = filePath.path;
+    }
+
+    if (filePath.path) {
+      // parse a new path
+      outputPath = outputPath || configs.outputPath || OUTPUT_PATH;
+
+      // check directory and create it if not exist
+      if (!fs.existsSync(outputPath)) {
+        fs.mkdirSync(outputPath, { recursive: true });
+      }
     }
 
     // json data output
     const jsonStringData = JSON.stringify(data);
 
     try {
-      // write to file
-      fs.writeFileSync(
-        `${outputPath}/${
+      var outFile = undefined;
+      if (configs.outputFile) {
+        outFile = configs.outputFile;
+      } else {
+        outFile = `${outputPath}/${
           configs.outputName || "exported"
-        }_${new Date().getTime()}.json`,
-        jsonStringData,
-        (err) => {
-          if (err) throw err;
-          console.log("Write succeed!");
-        }
-      );
-    } catch (err) {}
+        }_${new Date().getTime()}.json`;
+      }
+
+      // write to file
+      fs.writeFileSync(outFile, jsonStringData, (err) => {
+        if (err) throw err;
+      });
+
+      console.log("Exported excel to json to output =>", outFile);
+    } catch (err) {
+      console.error(err);
+    }
   }
 
   return data;
diff --git a/package.json b/package.json
index 89134c9..f636b4f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,17 @@
 {
   "name": "excel2json-xlsx",
-  "version": "1.0.0",
+  "version": "1.0.1",
+  "keywords": [
+    "excel",
+    "json",
+    "excel2json",
+    "parser",
+    "xlsx"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "bin": "bin/cli.js",
   "description": "Excel to JSON, able to export JSON from Excel (xlsx)",
   "repository": {
     "url": "https://github.com/CUBETIQ/excel2json.git"
@@ -13,6 +24,7 @@
   "author": "Sambo Chea <sombochea@cubetiqs.com>",
   "license": "MIT",
   "dependencies": {
-    "xlsx": "^0.16.9"
+    "xlsx": "^0.16.9",
+    "yargs": "^16.2.0"
   }
 }
diff --git a/util.js b/util.js
new file mode 100644
index 0000000..86e4416
--- /dev/null
+++ b/util.js
@@ -0,0 +1,15 @@
+/**
+ * Split Filepath to Path and Filename
+ *
+ * @param {String} filePath
+ * @returns Object of JSON
+ */
+module.exports.splitFilepath = function splitFilepath(filePath) {
+  const filename = filePath.replace(/^.*[\\\/]/, "");
+  const path = filePath.replace("/" + filename, "");
+
+  return {
+    path: path == filename ? undefined : path,
+    filename,
+  };
+}