diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index b5ce424..b6e49a6 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x]
+        node-version: [10.x, 12.x, 14.x]
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
diff --git a/.gitignore b/.gitignore
index f71ae25..b622746 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,4 +39,6 @@ node_modules/*
 .env.test
 
 # parcel-bundler cache (https://parceljs.org/)
-.cache
\ No newline at end of file
+.cache
+
+.idea
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..e7ddcac
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+    "cSpell.words": [
+        "execa"
+    ]
+}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d38a628..cb77fa6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,40 @@
+## [1.8.0](https://github.com/joolfe/postman-to-openapi/compare/1.7.1...1.8.0) (2021-04-30)
+
+
+### Features
+
+* addd testa dn support for node 14 Close [#104](https://github.com/joolfe/postman-to-openapi/issues/104) ([4fe0284](https://github.com/joolfe/postman-to-openapi/commit/4fe02849a55f01bfa563174c5c47bf07c2370817))
+* change cli parser (wip) ([2009923](https://github.com/joolfe/postman-to-openapi/commit/20099237ac1a85d4945a3e19e1c147c4b8206c8e))
+* cli added to library ([5df5d9b](https://github.com/joolfe/postman-to-openapi/commit/5df5d9b5cc985b6418f2bb1ab44411dd7624b8d3))
+* files configured in package.json Close [#103](https://github.com/joolfe/postman-to-openapi/issues/103) ([0ac1cd2](https://github.com/joolfe/postman-to-openapi/commit/0ac1cd2901d63b59d9bd21f4983e86f6f79cb961))
+* husky version 6 ([1f39c49](https://github.com/joolfe/postman-to-openapi/commit/1f39c4968d2b23e17c935b90df85795b7493716c))
+* keep old husky config ([1d85167](https://github.com/joolfe/postman-to-openapi/commit/1d851677c39bd4b977cd4f9ddeea79bbd649e37a))
+* simple cli called p2o ([a4cea3f](https://github.com/joolfe/postman-to-openapi/commit/a4cea3f9a4e99b14978039d46333a303e7e6919c))
+* using aslant instead standard.js Close [#94](https://github.com/joolfe/postman-to-openapi/issues/94) ([4ab6aef](https://github.com/joolfe/postman-to-openapi/commit/4ab6aef7fb51328573b387fed920ff5d90abee5c))
+* **wip:** first version of cli ([a259287](https://github.com/joolfe/postman-to-openapi/commit/a259287745556fad13e5e6d0399f47d0e4719abb))
+
+
+### Bug Fixes
+
+* avoid fail `body.raw` is empty string Close [#101](https://github.com/joolfe/postman-to-openapi/issues/101) ([1c376cf](https://github.com/joolfe/postman-to-openapi/commit/1c376cff2bc77420ae96fb188d27bac94f0c349b))
+* some adaptions to use husky ([39d1a35](https://github.com/joolfe/postman-to-openapi/commit/39d1a35da9eae56a560d61102229249f31daaefe))
+
+
+### Build System
+
+* update some deps ([22c0086](https://github.com/joolfe/postman-to-openapi/commit/22c0086ec58c38e2763374bb93533e0650a1834a))
+
+
+### Code Refactoring
+
+* only one file and ass more test ([1c440da](https://github.com/joolfe/postman-to-openapi/commit/1c440da2b3f93ce2085026a7bbc0bb905a94efc3))
+
+
+### Documentation
+
+* add cli references ([739ea64](https://github.com/joolfe/postman-to-openapi/commit/739ea64f289d61706f7ddb644a619fe6bfc65eaf))
+* update changelog ([7813e7c](https://github.com/joolfe/postman-to-openapi/commit/7813e7c1ffd58bbe9b2325b8de69f288deca8ace))
+
 ### [1.7.3](https://github.com/joolfe/postman-to-openapi/compare/1.7.1...1.7.3) (2021-04-24)
 
 
diff --git a/README.md b/README.md
index cf03b06..e42b3dc 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,6 @@ Or in other words, transform [this specification](https://schema.getpostman.com/
 [![docs](https://img.shields.io/badge/docs-here-yellow)](https://joolfe.github.io/postman-to-openapi/)
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com)
 
-
 ## Installation
 
 Using `npm`:
@@ -28,8 +27,16 @@ Using `yarn`:
 yarn add postman-to-openapi
 ```
 
+To install as a `cli` just
+
+```bash
+npm i postman-to-openapi -g
+```
+
 ## Quick Usage
 
+As a library
+
 ```js
 // Require Package
 const postmanToOpenApi = require('postman-to-openapi')
@@ -59,6 +66,12 @@ postmanToOpenApi(postmanCollection, outputFile, { defaultTag: 'General' })
     })
 ```
 
+As a cli
+
+```bash
+p2o ./path/to/PostmantoCollection.json -f ./path/to/result.yml -o ./path/to/options.json
+```
+
 ## Documentation
 
 All features, usage instructions and help can be found in the [Documentation page](https://joolfe.github.io/postman-to-openapi/)
diff --git a/bin/cli.js b/bin/cli.js
new file mode 100755
index 0000000..227ea01
--- /dev/null
+++ b/bin/cli.js
@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+
+const { program } = require('commander')
+const { version } = require('../package.json')
+const postmanToOpenApi = require('../lib')
+const { promises: { readFile } } = require('fs')
+
+const additionalHelp = `
+
+Example calls:
+  $ p2o ./path/to/PostmantoCollection.json -f ./path/to/result.yml -o ./path/to/options.json
+
+For more info about how to use it visit our documentation in <https://joolfe.github.io/postman-to-openapi/>
+`
+
+program
+  .version(version, '-v, --vers', 'Output the current version of the library.')
+  .name('p2o')
+  .usage('<collection> [options]')
+  .addHelpText('after', additionalHelp)
+  .arguments('<collection>')
+  .description('Transform a postman collection to OpenAPI specification yml.', {
+    collection: 'Relative path to the Postman collection json file'
+  })
+  .option('-f, --file <file>', 'Relative path to the file where result will be saved. If empty result will be returned by cli.')
+  .option('-o, --options <options>', 'Relative path to json file that contain the optional parameters for the transformation.')
+  .action(async (collection, { file, options }, command) => {
+    try {
+      const parsedOptions = await parseOptions(options)
+      const result = await postmanToOpenApi(collection, file, parsedOptions)
+      console.info(result)
+    } catch (err) {
+      throw new Error(err)
+    }
+  })
+
+program
+  .parseAsync()
+  .catch(err => {
+    process.exitCode = 1
+    console.error(err.message)
+  })
+
+async function parseOptions (optionsPath) {
+  try {
+    return optionsPath ? JSON.parse(await readFile(optionsPath)) : {}
+  } catch (err) {
+    throw new Error(`invalid "options" parameter -> ${err.message}`)
+  }
+}
diff --git a/docs/index.md b/docs/index.md
index ef87f90..c13bde1 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -15,20 +15,21 @@
 
 ## Features at a glance
 
-- Postman Collection v2.1 and v2.0.
-- OpenApi 3.0
-- Basic info API from Postman info or customizable.
-- Basic method conversion (GET, POST, PUT...).
-- Support Postman folders as tags.
-- Transform query, headers and path parameters (description, required...).
-- Postman variables as Path parameters.
-- Automatic infer types from query and headers parameters.
-- Support Json and Text body formats.
-- Global Authorization parse or by configuration (Basic and Bearer).
-- Contact and License from variables or by configuration.
-- Provide meta-information as a markdown table.
-- Path depth configuration.
-- Response status code parse from test.
+* Postman Collection v2.1 and v2.0.
+* OpenApi 3.0
+* 🆕 Cli available
+* Basic info API from Postman info or customizable.
+* Basic method conversion (GET, POST, PUT...).
+* Support Postman folders as tags.
+* Transform query, headers and path parameters (description, required...).
+* Postman variables as Path parameters.
+* Automatic infer types from query and headers parameters.
+* Support Json and Text body formats.
+* Global Authorization parse or by configuration (Basic and Bearer).
+* Contact and License from variables or by configuration.
+* Provide meta-information as a markdown table.
+* Path depth configuration.
+* Response status code parse from test.
 
 See [Features](#features) section for more details about how to use each of this features.
 
@@ -37,17 +38,25 @@ See [Features](#features) section for more details about how to use each of this
 
 # Install
 
+To use local in your Node.js project as a library
+
 ```bash
 npm i postman-to-openapi --save
 ```
 
-To use as a cli coming soon...
+To use as a cli
+
+```bash
+npm i postman-to-openapi -g
+```
 
 </div></div>
 <div class="tilted-section"><div markdown="1">
 
 # Usage
 
+## As library
+
 Use the library is as easy as use a single method `async postmanToOpenApi(inputPath, outputPath, options)`, the parameters are:
 
 | Param        | Description                                                                                 |
@@ -86,6 +95,20 @@ postmanToOpenApi(postmanCollection, outputFile, { defaultTag: 'General' })
     })
 ```
 
+## As cli
+
+After install just need to
+
+```bash
+p2o ./path/to/PostmantoCollection.json -f ./path/to/result.yml -o ./path/to/options.json
+```
+
+All the field described in [options](#options) can be provided and used in the cli, for more info an all the available options just check the cli help
+
+```bash
+p2o -h
+```
+
 ## Options
 
 The third parameter used in the library method is an `options` object containing the optional parameters for the transformation, the allowed parameters are:
diff --git a/package-lock.json b/package-lock.json
index 72f3d35..9d4ca75 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,28 +1,36 @@
 {
   "name": "postman-to-openapi",
-  "version": "1.7.3",
+  "version": "1.8.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "1.7.3",
+      "version": "1.8.0",
       "license": "MIT",
       "dependencies": {
+        "commander": "^7.2.0",
         "js-yaml": "^4.1.0",
         "marked": "^2.0.3"
       },
+      "bin": {
+        "p2o": "bin/cli.js"
+      },
       "devDependencies": {
         "@commitlint/cli": "^12.1.1",
         "@commitlint/config-conventional": "^12.1.1",
         "conventional-changelog-cli": "^2.1.1",
-        "eslint": "^7.24.0",
+        "eslint": "^7.25.0",
         "eslint-config-standard": "^16.0.2",
         "eslint-plugin-import": "^2.22.1",
         "eslint-plugin-node": "^11.1.0",
         "eslint-plugin-promise": "^5.1.0",
+        "execa": "^5.0.0",
         "husky": "^6.0.0",
         "mocha": "^8.3.2",
         "nyc": "^15.1.0"
+      },
+      "engines": {
+        "node": ">=10 <15"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -512,9 +520,6 @@
       },
       "engines": {
         "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/@commitlint/top-level/node_modules/locate-path": {
@@ -527,9 +532,6 @@
       },
       "engines": {
         "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/@commitlint/top-level/node_modules/p-limit": {
@@ -542,9 +544,6 @@
       },
       "engines": {
         "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/@commitlint/top-level/node_modules/p-locate": {
@@ -557,9 +556,6 @@
       },
       "engines": {
         "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/@commitlint/types": {
@@ -1194,6 +1190,14 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "node_modules/commander": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz",
+      "integrity": "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw==",
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -1939,9 +1943,9 @@
       }
     },
     "node_modules/eslint": {
-      "version": "7.24.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.24.0.tgz",
-      "integrity": "sha512-k9gaHeHiFmGCDQ2rEfvULlSLruz6tgfA8DEn+rY9/oYPFFTlz55mM/Q/Rij1b2Y42jwZiK3lXvNTw6w6TXzcKQ==",
+      "version": "7.25.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.25.0.tgz",
+      "integrity": "sha512-TVpSovpvCNpLURIScDRB6g5CYu/ZFq9GfX2hLNIV4dSBKxIWojeDODvYl3t0k0VtMxYeR8OXPCFE5+oHMlGfhw==",
       "dev": true,
       "dependencies": {
         "@babel/code-frame": "7.12.11",
@@ -1987,9 +1991,6 @@
       },
       "engines": {
         "node": "^10.12.0 || >=12.0.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/eslint"
       }
     },
     "node_modules/eslint-config-standard": {
@@ -2406,9 +2407,6 @@
       "dev": true,
       "engines": {
         "node": "^10.12.0 || >=12.0.0"
-      },
-      "peerDependencies": {
-        "eslint": "^7.0.0"
       }
     },
     "node_modules/eslint-scope": {
@@ -2618,6 +2616,26 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/execa": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-5.0.0.tgz",
+      "integrity": "sha512-ov6w/2LCiuyO4RLYGdpFGjkcs0wMTgGE8PrkTHikeUy5iJekXyPIKUjifk5CsE0pt7sMCrMZ3YNqoCj6idQOnQ==",
+      "dev": true,
+      "dependencies": {
+        "cross-spawn": "^7.0.3",
+        "get-stream": "^6.0.0",
+        "human-signals": "^2.1.0",
+        "is-stream": "^2.0.0",
+        "merge-stream": "^2.0.0",
+        "npm-run-path": "^4.0.1",
+        "onetime": "^5.1.2",
+        "signal-exit": "^3.0.3",
+        "strip-final-newline": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -3159,6 +3177,15 @@
         "node": ">=10"
       }
     },
+    "node_modules/get-stream": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-6.0.1.tgz",
+      "integrity": "sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/git-raw-commits": {
       "version": "2.0.10",
       "resolved": "https://registry.npmjs.org/git-raw-commits/-/git-raw-commits-2.0.10.tgz",
@@ -3408,6 +3435,15 @@
       "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==",
       "dev": true
     },
+    "node_modules/human-signals": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-2.1.0.tgz",
+      "integrity": "sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==",
+      "dev": true,
+      "engines": {
+        "node": ">=10.17.0"
+      }
+    },
     "node_modules/husky": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/husky/-/husky-6.0.0.tgz",
@@ -3415,9 +3451,6 @@
       "dev": true,
       "bin": {
         "husky": "lib/bin.js"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/typicode"
       }
     },
     "node_modules/ignore": {
@@ -3943,10 +3976,8 @@
       "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
       "dev": true,
       "dependencies": {
+        "graceful-fs": "^4.1.6",
         "universalify": "^2.0.0"
-      },
-      "optionalDependencies": {
-        "graceful-fs": "^4.1.6"
       }
     },
     "node_modules/jsonparse": {
@@ -4178,6 +4209,21 @@
         "node": ">=10"
       }
     },
+    "node_modules/merge-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
+      "integrity": "sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==",
+      "dev": true
+    },
+    "node_modules/mimic-fn": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
+      "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/min-indent": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/min-indent/-/min-indent-1.0.1.tgz",
@@ -4464,6 +4510,18 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/npm-run-path": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-4.0.1.tgz",
+      "integrity": "sha512-S48WzZW777zhNIrn7gxOlISNAqi9ZC/uQFnRdbeIHhZhCA6UqpkOT8T1G7BvfdgP4Er8gF4sUbaS0i7QvIfCWw==",
+      "dev": true,
+      "dependencies": {
+        "path-key": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/nyc": {
       "version": "15.1.0",
       "resolved": "https://registry.npmjs.org/nyc/-/nyc-15.1.0.tgz",
@@ -4754,6 +4812,18 @@
         "wrappy": "1"
       }
     },
+    "node_modules/onetime": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.2.tgz",
+      "integrity": "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg==",
+      "dev": true,
+      "dependencies": {
+        "mimic-fn": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/optionator": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.1.tgz",
@@ -5527,6 +5597,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/strip-final-newline": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-2.0.0.tgz",
+      "integrity": "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/strip-indent": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-3.0.0.tgz",
@@ -7115,6 +7194,11 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "commander": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz",
+      "integrity": "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw=="
+    },
     "commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -7708,9 +7792,9 @@
       "dev": true
     },
     "eslint": {
-      "version": "7.24.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.24.0.tgz",
-      "integrity": "sha512-k9gaHeHiFmGCDQ2rEfvULlSLruz6tgfA8DEn+rY9/oYPFFTlz55mM/Q/Rij1b2Y42jwZiK3lXvNTw6w6TXzcKQ==",
+      "version": "7.25.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.25.0.tgz",
+      "integrity": "sha512-TVpSovpvCNpLURIScDRB6g5CYu/ZFq9GfX2hLNIV4dSBKxIWojeDODvYl3t0k0VtMxYeR8OXPCFE5+oHMlGfhw==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "7.12.11",
@@ -8156,8 +8240,7 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-5.1.0.tgz",
       "integrity": "sha512-NGmI6BH5L12pl7ScQHbg7tvtk4wPxxj8yPHH47NvSmMtFneC077PSeY3huFj06ZWZvtbfxSPt3RuOQD5XcR4ng==",
-      "dev": true,
-      "requires": {}
+      "dev": true
     },
     "eslint-scope": {
       "version": "5.1.1",
@@ -8263,6 +8346,23 @@
       "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
       "dev": true
     },
+    "execa": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-5.0.0.tgz",
+      "integrity": "sha512-ov6w/2LCiuyO4RLYGdpFGjkcs0wMTgGE8PrkTHikeUy5iJekXyPIKUjifk5CsE0pt7sMCrMZ3YNqoCj6idQOnQ==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^7.0.3",
+        "get-stream": "^6.0.0",
+        "human-signals": "^2.1.0",
+        "is-stream": "^2.0.0",
+        "merge-stream": "^2.0.0",
+        "npm-run-path": "^4.0.1",
+        "onetime": "^5.1.2",
+        "signal-exit": "^3.0.3",
+        "strip-final-newline": "^2.0.0"
+      }
+    },
     "fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -8694,6 +8794,12 @@
       "integrity": "sha512-sY22aA6xchAzprjyqmSEQv4UbAAzRN0L2dQB0NlN5acTTK9Don6nhoc3eAbUnpZiCANAMfd/+40kVdKfFygohg==",
       "dev": true
     },
+    "get-stream": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-6.0.1.tgz",
+      "integrity": "sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg==",
+      "dev": true
+    },
     "git-raw-commits": {
       "version": "2.0.10",
       "resolved": "https://registry.npmjs.org/git-raw-commits/-/git-raw-commits-2.0.10.tgz",
@@ -8882,6 +8988,12 @@
       "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==",
       "dev": true
     },
+    "human-signals": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-2.1.0.tgz",
+      "integrity": "sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==",
+      "dev": true
+    },
     "husky": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/husky/-/husky-6.0.0.tgz",
@@ -9478,6 +9590,18 @@
         }
       }
     },
+    "merge-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
+      "integrity": "sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==",
+      "dev": true
+    },
+    "mimic-fn": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
+      "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
+      "dev": true
+    },
     "min-indent": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/min-indent/-/min-indent-1.0.1.tgz",
@@ -9704,6 +9828,15 @@
       "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
       "dev": true
     },
+    "npm-run-path": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-4.0.1.tgz",
+      "integrity": "sha512-S48WzZW777zhNIrn7gxOlISNAqi9ZC/uQFnRdbeIHhZhCA6UqpkOT8T1G7BvfdgP4Er8gF4sUbaS0i7QvIfCWw==",
+      "dev": true,
+      "requires": {
+        "path-key": "^3.0.0"
+      }
+    },
     "nyc": {
       "version": "15.1.0",
       "resolved": "https://registry.npmjs.org/nyc/-/nyc-15.1.0.tgz",
@@ -9939,6 +10072,15 @@
         "wrappy": "1"
       }
     },
+    "onetime": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.2.tgz",
+      "integrity": "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg==",
+      "dev": true,
+      "requires": {
+        "mimic-fn": "^2.1.0"
+      }
+    },
     "optionator": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.1.tgz",
@@ -10557,6 +10699,12 @@
         "is-utf8": "^0.2.0"
       }
     },
+    "strip-final-newline": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-2.0.0.tgz",
+      "integrity": "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==",
+      "dev": true
+    },
     "strip-indent": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-3.0.0.tgz",
diff --git a/package.json b/package.json
index c6aea0d..0110140 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,11 @@
 {
   "name": "postman-to-openapi",
-  "version": "1.7.3",
+  "version": "1.8.0",
   "description": "Convert postman collection to OpenAPI spec",
   "main": "lib/index.js",
+  "bin": {
+    "p2o": "./bin/cli.js"
+  },
   "scripts": {
     "lint": "eslint **/*.js",
     "lint:fix": "eslint **/*.js --fix",
@@ -13,6 +16,10 @@
     "changelog": "conventional-changelog --config ./changelog.config.js -i CHANGELOG.md -s",
     "prepare": "husky install"
   },
+  "files": [
+    "bin/*",
+    "lib/*"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/joolfe/postman-to-openapi.git"
@@ -38,11 +45,12 @@
     "@commitlint/cli": "^12.1.1",
     "@commitlint/config-conventional": "^12.1.1",
     "conventional-changelog-cli": "^2.1.1",
-    "eslint": "^7.24.0",
+    "eslint": "^7.25.0",
     "eslint-config-standard": "^16.0.2",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^5.1.0",
+    "execa": "^5.0.0",
     "husky": "^6.0.0",
     "mocha": "^8.3.2",
     "nyc": "^15.1.0"
@@ -52,11 +60,15 @@
       "@commitlint/config-conventional"
     ]
   },
+  "engines": {
+    "node": ">=10 <15"
+  },
   "nyc": {
     "all": true,
     "include": [
       "lib/**/*.js",
-      "test/**/*.js"
+      "test/**/*.js",
+      "bin/**/*.js"
     ],
     "exclude": [],
     "reporter": [
@@ -71,6 +83,7 @@
     "check-coverage": true
   },
   "dependencies": {
+    "commander": "^7.2.0",
     "js-yaml": "^4.1.0",
     "marked": "^2.0.3"
   },
diff --git a/test/cli.spec.js b/test/cli.spec.js
new file mode 100644
index 0000000..dc5441c
--- /dev/null
+++ b/test/cli.spec.js
@@ -0,0 +1,92 @@
+'use strict'
+
+const { describe, it, afterEach } = require('mocha')
+const { readFileSync, existsSync, unlinkSync } = require('fs')
+const { equal, rejects, ok } = require('assert').strict
+const execa = require('execa')
+
+const cliPath = './bin/cli.js'
+const COLLECTION_BASIC = './test/resources/input/v21/PostmantoOpenAPI.json'
+const COLLECTION_SIMPLE = './test/resources/input/v21/SimplePost.json'
+const OPTIONS_INFO = './test/resources/input/options.json'
+const INVALID_OPTIONS_INFO = './test/resources/input/invalidOptions.txt'
+const EXPECTED_INFO_OPTS = readFileSync('./test/resources/output/InfoOpts.yml', 'utf8')
+const EXPECTED_BASIC = readFileSync('./test/resources/output/Basic.yml', 'utf8')
+const OUTPUT_PATH = './openAPIRes.yml'
+const HELP_OUTPUT = readFileSync('./test/resources/console/help.txt', 'utf8')
+
+const { version } = require('../package.json')
+
+describe('Cli specs', function () {
+  afterEach('remove file', function () {
+    if (existsSync(OUTPUT_PATH)) {
+      unlinkSync(OUTPUT_PATH)
+    }
+  })
+
+  it('should transform correctly a basic collection (HP)', async function () {
+    const { stdout } = await execa('node', [cliPath, COLLECTION_BASIC])
+    equal(stdout, EXPECTED_BASIC)
+  })
+
+  it('should return an error when collection argument is not provided', async function () {
+    await rejects(execa('node', [cliPath]), {
+      name: 'Error',
+      stderr: "error: missing required argument 'collection'",
+      exitCode: 1
+    })
+  })
+
+  it('should print an error when collection file doesn\'t exist', async function () {
+    await rejects(execa('node', [cliPath, './none/file.json']), {
+      name: 'Error',
+      stderr: "Error: ENOENT: no such file or directory, open './none/file.json'",
+      exitCode: 1
+    })
+  })
+
+  it('should print an error when result file cannot be created', async function () {
+    await rejects(execa('node', [cliPath, COLLECTION_BASIC, '-f', './no_exist/result.yml']), {
+      name: 'Error',
+      stderr: "Error: ENOENT: no such file or directory, open './no_exist/result.yml'",
+      exitCode: 1
+    })
+  })
+
+  it('should transform and write into a file the output (HP)', async function () {
+    const { stdout } = await execa('node', [cliPath, COLLECTION_BASIC, '-f', OUTPUT_PATH])
+    ok(existsSync(OUTPUT_PATH))
+    equal(stdout, EXPECTED_BASIC)
+  })
+
+  it('should transform correctly a basic collection when using option file (HP)', async function () {
+    const { stdout } = await execa('node', [cliPath, COLLECTION_SIMPLE, '-o', OPTIONS_INFO])
+    equal(stdout, EXPECTED_INFO_OPTS)
+  })
+
+  it('should print an error when "options" file doesn\'t exist', async function () {
+    await rejects(execa('node', [cliPath, COLLECTION_SIMPLE, '-o', './no_exist/options.json']), {
+      name: 'Error',
+      stderr: "Error: invalid \"options\" parameter -> ENOENT: no such file or directory, open './no_exist/options.json'",
+      exitCode: 1
+    })
+  })
+
+  it('should print an error when options file is not a valid json', async function () {
+    await rejects(execa('node', [cliPath, COLLECTION_SIMPLE, '-o', INVALID_OPTIONS_INFO]), {
+      name: 'Error',
+      stderr: 'Error: invalid "options" parameter -> Unexpected token i in JSON at position 6',
+      exitCode: 1
+    })
+  })
+
+  it('should print correctly the version of the cli', async function () {
+    const { stdout } = await execa('node', [cliPath, '-v'])
+    equal(stdout, version)
+  })
+
+  it('should print correctly help command', async function () {
+    const { stdout } = await execa('node', [cliPath, '-h'])
+    equal(stdout, HELP_OUTPUT)
+  })
+})
diff --git a/test/resources/console/help.txt b/test/resources/console/help.txt
new file mode 100644
index 0000000..302a915
--- /dev/null
+++ b/test/resources/console/help.txt
@@ -0,0 +1,20 @@
+Usage: p2o <collection> [options]
+
+Transform a postman collection to OpenAPI specification yml.
+
+Arguments:
+  collection               Relative path to the Postman collection json file
+
+Options:
+  -v, --vers               Output the current version of the library.
+  -f, --file <file>        Relative path to the file where result will be
+                           saved. If empty result will be returned by cli.
+  -o, --options <options>  Relative path to json file that contain the optional
+                           parameters for the transformation.
+  -h, --help               display help for command
+
+
+Example calls:
+  $ p2o ./path/to/PostmantoCollection.json -f ./path/to/result.yml -o ./path/to/options.json
+
+For more info about how to use it visit our documentation in <https://joolfe.github.io/postman-to-openapi/>
diff --git a/test/resources/input/invalidOptions.txt b/test/resources/input/invalidOptions.txt
new file mode 100644
index 0000000..7541589
--- /dev/null
+++ b/test/resources/input/invalidOptions.txt
@@ -0,0 +1,8 @@
+{
+    info": {
+      "title": "Options title",
+      "version: "6.0.7-beta",
+      "description": "Description from options",
+      "termsOfService": "http://tos.myweb.com"
+    }
+}
\ No newline at end of file
diff --git a/test/resources/input/options.json b/test/resources/input/options.json
new file mode 100644
index 0000000..f03c51e
--- /dev/null
+++ b/test/resources/input/options.json
@@ -0,0 +1,8 @@
+{
+    "info": {
+      "title": "Options title",
+      "version": "6.0.7-beta",
+      "description": "Description from options",
+      "termsOfService": "http://tos.myweb.com"
+    }
+}
\ No newline at end of file
diff --git a/test/resources/options/info.json b/test/resources/options/info.json
new file mode 100644
index 0000000..da192bb
--- /dev/null
+++ b/test/resources/options/info.json
@@ -0,0 +1,8 @@
+{
+    "info": {
+      "title": "Options title",
+      "version": "6.0.7-beta",
+      "description": "Description from options",
+      "termsOfService": "http://tos.myweb.com"
+    }
+  }
\ No newline at end of file