diff --git a/README.MD b/README.MD
index e93af75..771248c 100644
--- a/README.MD
+++ b/README.MD
@@ -63,6 +63,7 @@ and options:
 - Output file _optional_ : path to the output file (default: `combined.json`).
 - Validate Input JSON's: All input JSON files are validated to be a correct [JSON](https://www.json.org/json-en.html) (default: `true`).
 - Validate Output JSON's: Validate if the outputed JSON is a correct [JSON](https://www.json.org/json-en.html) (default: `false`).
+- Quiet mode : no logs are outputed (default: `false`).
 
 It accepts relative path but also fully qualified paths.
 
@@ -70,7 +71,7 @@ It accepts relative path but also fully qualified paths.
 
 Usage:
 ```bash
-cli [options] <input-directory>
+turbo-json [options] <input-directory>
 ```
 
 Options:
@@ -78,10 +79,7 @@ Options:
   -o, --output-file <file-name>      File name in which all the json files will be merged (default: "combined.json")
   -I, --validate-input <file-name>   Check if input JSON files are valid (default: true)
   -O, --validate-output <file-name>  Check if output JSON is a valid JSON (default: false)
-```
-
-```bash
-turbo-json <input-directory> --output-file <file-path> (default: "combined.json")
+  -q, --quiet                        Quiet mode, no logs are outputed (default: false)
 ```
 
 **Example**
@@ -96,7 +94,7 @@ turbo-json /data -o combined_data.json
 const { combineJson } = require('./src');
 
 (async () => {
-  await combineJson('misc', { outputFile: 'combined_data.json', validateInput: true, validateOutput: false });
+  await combineJson('misc', { outputFile: 'combined_data.json', validateInput: true, validateOutput: false, quiet: false });
 })();
 ```
 
diff --git a/__tests__/combine.tests.js b/__tests__/combine.tests.js
index e578832..ca6e475 100644
--- a/__tests__/combine.tests.js
+++ b/__tests__/combine.tests.js
@@ -14,6 +14,7 @@ test('Tests on 1 empty file', async () => {
   const res = await combineJson('misc/one_empty', {
     outputFile: 'test-output/combine_empty.json',
     validateInput: true,
+    quiet: true,
   })
 
   const data = JSON.parse(
@@ -28,6 +29,7 @@ test('Tests on 1 empty file', async () => {
   const res = await combineJson('misc/one_empty', {
     outputFile: 'test-output/combine_empty.json',
     validateInput: false,
+    quiet: true,
   })
 
   const data = JSON.parse(
@@ -42,6 +44,7 @@ test('Tests on multiple empty files', async () => {
   const res = await combineJson('misc/multiple_empty', {
     outputFile: 'test-output/combine_multiple_empty.json',
     validateInput: true,
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(
@@ -58,6 +61,7 @@ test('Tests on some empty files and some valid', async () => {
   const res = await combineJson('misc/some_empty', {
     outputFile: 'test-output/combine_some_empty.json',
     validateInput: true,
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(
@@ -78,6 +82,7 @@ test('Tests on some invalid files and some valid', async () => {
   await combineJson('misc/some_non_valid', {
     outputFile: 'test-output/combine_some_non_valid.json',
     validateInput: false,
+    quiet: true,
   })
 
   expect(() =>
@@ -94,6 +99,7 @@ test('Tests on some invalid files and some valid with no validation', async () =
   await combineJson('misc/some_non_valid', {
     outputFile: 'test-output/combine_some_non_valid.json',
     validateInput: false,
+    quiet: true,
   })
 
   expect(() =>
@@ -107,26 +113,23 @@ test('Tests on some invalid files and some valid with no validation', async () =
 })
 
 test('Tests on some invalid files and some valid with no validation, but validate output file', async () => {
-  await combineJson('misc/some_non_valid', {
-    outputFile: 'test-output/combine_some_non_valid.json',
+  const res = await combineJson('misc/some_non_valid', {
+    outputFile: 'test-output/failed.json',
     validateInput: false,
     validateOutput: true,
-  })
+    quiet: true,
+  }).catch(e => e)
 
-  expect(() =>
-    JSON.parse(
-      fs.readFileSync(
-        `${process.cwd()}/test-output/combine_some_non_valid.json`,
-        'utf-8'
-      )
-    )
-  ).toThrow()
+  expect(res.error).toBe(
+    'ERROR at 2 (2, 1): Verifier cannot parse input: expected a value'
+  )
 })
 
 test('Tests on some empty files and some valid, validity check disabled', async () => {
   const res = await combineJson('misc/some_empty', {
     outputFile: 'test-output/combine_some_empty.json',
     validateInput: false,
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(
@@ -147,6 +150,7 @@ test('Tests on some empty files and some valid, validity check disabled', async
 test('Tests if on 1 file containing one primitive', async () => {
   const res = await combineJson('misc/one_primitive', {
     outputFile: 'test-output/combine_a_single_primitive.json',
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(
@@ -162,6 +166,7 @@ test('Tests if on 1 file containing one primitive', async () => {
 test('Tests if on 1 files', async () => {
   const res = await combineJson('misc/one_file', {
     outputFile: 'test-output/combine_one.json',
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(`${process.cwd()}/test-output/combine_one.json`, 'utf-8')
@@ -174,6 +179,7 @@ test('Tests if on 1 files', async () => {
 test('Tests on 3 array', async () => {
   const res = await combineJson('misc/array_test', {
     outputFile: 'test-output/combine_array.json',
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(`${process.cwd()}/test-output/combine_array.json`, 'utf-8')
@@ -192,6 +198,7 @@ test('Tests on 3 array', async () => {
 test('Tests if on all files', async () => {
   const res = await combineJson('misc', {
     outputFile: 'test-output/combine_all.json',
+    quiet: true,
   })
   const data = JSON.parse(
     fs.readFileSync(`${process.cwd()}/test-output/combine_all.json`, 'utf-8')
diff --git a/src/cli.js b/src/cli.js
index 72c68d4..2581f12 100755
--- a/src/cli.js
+++ b/src/cli.js
@@ -6,6 +6,7 @@ const combineJson = require('./combine-json')
 const program = new commander.Command()
 
 program
+  .name('turbo-json')
   .argument('<input-directory>', 'Directory from witch to fetch the json files')
   .version(pkg.version)
   .option(
@@ -17,16 +18,13 @@ program
     'File name in which all the json files will be merged',
     'combined.json'
   )
+  .option('-I, --validate-input', 'Check if JSON file is valid', false)
   .option(
-    '-I, --validate-input <file-name>',
-    'Check if JSON file is valid',
-    false
-  )
-  .option(
-    '-O, --validate-output <file-name>',
+    '-O, --validate-output',
     'Check if output JSON is a valid JSON',
     false
   )
+  .option('-q, --quiet', 'Quiet mode, no logs are outputed', true)
   .action(async (directory, options) => {
     await combineJson(directory, options)
   })
diff --git a/src/combine-json.js b/src/combine-json.js
index 4e67057..e6cea27 100755
--- a/src/combine-json.js
+++ b/src/combine-json.js
@@ -24,6 +24,7 @@ async function combine({
   outputFilePath,
   validateInput,
   validateOutput,
+  quiet,
 }) {
   createOutputArrayFile(outputFilePath)
   const numberOfFiles = inputFiles.length
@@ -89,15 +90,17 @@ async function combine({
         })
       })
 
-      logSuccessfullWrite(fileName, index, numberOfFiles)
+      if (!quiet) logSuccessfullWrite(fileName, index, numberOfFiles)
     } catch (e) {
       if (e.file) {
-        logFailedValidityCheck(e)
+        if (!quiet) logFailedValidityCheck(e)
       } else {
-        logFailedValidityCheck({
-          file: inputFiles[index],
-          error: e.message,
-        })
+        if (!quiet) {
+          logFailedValidityCheck({
+            file: inputFiles[index],
+            error: e.message,
+          })
+        }
       }
     }
   }
@@ -116,6 +119,7 @@ async function combine({
       await verifyJson({ jsonFile: outputFilePath })
     } catch (e) {
       logFailedOutputValidityCheck(e)
+      throw e
     }
   }
   return 1
@@ -127,6 +131,7 @@ async function combineJson(
     outputFile = 'combined.json',
     validateInput = false,
     validateOutput = false,
+    quiet = false,
   }
 ) {
   const { inputDirPath, filesName } = inputFilesAndDir({ inputDir })
@@ -138,6 +143,7 @@ async function combineJson(
     outputFilePath,
     validateInput,
     validateOutput,
+    quiet,
   })
 }