diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..21f62dd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea/
+.git/
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..1a939fd
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 gkiryaziev
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
index 098c941..e70e51e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 ##	WordList Cleaner v.0.2.6
 
+### Install:
+```
+go get github.com/gkiryaziev/go-wordlist-cleaner
+```
+
 Remove non-printable words, trim words length, search duplicates, sorting, words counting.
 
 ![Alt text](/screenshot.jpg?raw=true "Usage")
@@ -18,7 +23,7 @@ Sequence of the option keys is not critical.
 
 13.10.2015 - Changed algorithm and view for progress bar. Fixed calculation for strings in files.
 
-Examples:
+### Examples:
 ```
 wordlistcleaner.exe -min 8 -max 10 -src Source.dic -new New.dic remove trim
 wordlistcleaner.exe -src Source.dic -new New.dic trim
diff --git a/main.go b/main.go
index 2a9a532..16badfc 100644
--- a/main.go
+++ b/main.go
@@ -8,11 +8,11 @@ import (
 	"strconv"
 	"time"
 
-	o "./operations"
-	s "./service"
+	o "github.com/gkiryaziev/go-wordlist-cleaner/operations"
+	s "github.com/gkiryaziev/go-wordlist-cleaner/service"
 )
 
-// Do job
+// doJob is main function
 func doJob(remove, trim, duplicate, sorting, calculate bool, min, max int, src_file, new_file string) error {
 
 	// Check operations
diff --git a/operations/calculate.go b/operations/calculate.go
index d76aefb..7d643ab 100644
--- a/operations/calculate.go
+++ b/operations/calculate.go
@@ -3,10 +3,10 @@ package operations
 import (
 	"fmt"
 
-	s "../service"
+	s "github.com/gkiryaziev/go-wordlist-cleaner/service"
 )
 
-// Calculate lines in source file
+// DoCalculate calculate lines in source file
 func DoCalculate(src_file string) error {
 
 	total, err := s.CalculateLines(src_file)
diff --git a/operations/duplicate_search.go b/operations/duplicate_search.go
index 821fd66..1371a7b 100644
--- a/operations/duplicate_search.go
+++ b/operations/duplicate_search.go
@@ -3,14 +3,15 @@ package operations
 import (
 	"bufio"
 	"fmt"
-	"github.com/cheggaaa/pb"
 	"os"
 	//"time"
 
-	s "../service"
+	"github.com/cheggaaa/pb"
+
+	s "github.com/gkiryaziev/go-wordlist-cleaner/service"
 )
 
-// Search duplicates in source file and write uniq to new file
+// DoDuplicate search duplicates in source file and write uniq to new file
 func DoDuplicate(src_file, new_file string) error {
 
 	m := map[uint64]bool{}
diff --git a/operations/remove_trim.go b/operations/remove_trim.go
index 07007b6..fed5cf0 100644
--- a/operations/remove_trim.go
+++ b/operations/remove_trim.go
@@ -7,9 +7,10 @@ import (
 	"os"
 	//"time"
 
-	s "../service"
+	s "github.com/gkiryaziev/go-wordlist-cleaner/service"
 )
 
+// isPrint check printable characters
 func isPrint(text string) bool {
 	for _, r := range text {
 		if r < 32 || r > 126 {
@@ -19,6 +20,7 @@ func isPrint(text string) bool {
 	return true
 }
 
+// isSize check string size
 func isSize(min, max int, line string) bool {
 	if len([]rune(line)) < min || len([]rune(line)) > max {
 		return false
@@ -26,6 +28,7 @@ func isSize(min, max int, line string) bool {
 	return true
 }
 
+// DoClean clean a string
 func DoClean(remove, trim bool, min, max int, src_file, new_file string) error {
 
 	var added int64 = 0
diff --git a/operations/sorting.go b/operations/sorting.go
index bd6fc2d..cde4c93 100644
--- a/operations/sorting.go
+++ b/operations/sorting.go
@@ -4,10 +4,10 @@ import (
 	"fmt"
 	"sort"
 
-	s "../service"
+	s "github.com/gkiryaziev/go-wordlist-cleaner/service"
 )
 
-// Read source file, sort it alphabetically and write to new file
+// DoSorting read source file, sort it alphabetically and write to new file
 func DoSorting(src_file, new_file string) error {
 
 	total, err := s.CalculateLines(src_file)
diff --git a/service/calculate_hash.go b/service/calculate_hash.go
index 06af8b3..dbc9b5c 100644
--- a/service/calculate_hash.go
+++ b/service/calculate_hash.go
@@ -4,12 +4,14 @@ import (
 	"hash/fnv"
 )
 
+// GetHashFvn return uint32 fnv hash
 func GetHashFvn(s string) uint32 {
 	h := fnv.New32a()
 	h.Write([]byte(s))
 	return h.Sum32()
 }
 
+// GetHashFvn return uint64 fnv hash
 func GetHashFvn64(s string) uint64 {
 	h := fnv.New64a()
 	h.Write([]byte(s))
diff --git a/service/calculate_lines.go b/service/calculate_lines.go
index 1986a2f..79a7d3d 100644
--- a/service/calculate_lines.go
+++ b/service/calculate_lines.go
@@ -6,6 +6,7 @@ import (
 	"os"
 )
 
+// CalculateLines return count of lines
 func CalculateLines(path string) (int64, error) {
 	file, err := os.Open(path)
 	if err != nil {
diff --git a/service/check_all.go b/service/check_all.go
index 2217398..9c4d6a4 100644
--- a/service/check_all.go
+++ b/service/check_all.go
@@ -6,7 +6,7 @@ import (
 	"os"
 )
 
-// Main check error
+// CheckError check error
 func CheckError(err error) {
 	if err != nil {
 		Usage()
@@ -16,7 +16,7 @@ func CheckError(err error) {
 	}
 }
 
-// Check is file or directory exist
+// CheckFile check is file or directory exist
 func CheckFile(file string) error {
 	f, err := os.Stat(file)
 	if err == nil {
@@ -29,7 +29,7 @@ func CheckFile(file string) error {
 	return nil
 }
 
-// Check key value
+// CheckArgs check key value
 func CheckArgs(args_length, arg_index int) error {
 	if args_length == (arg_index + 1) {
 		return errors.New("Not specified key value.")
diff --git a/service/readwrite_file.go b/service/readwrite_file.go
index 1d05b6f..0725f88 100644
--- a/service/readwrite_file.go
+++ b/service/readwrite_file.go
@@ -6,7 +6,7 @@ import (
 	"os"
 )
 
-// Append lines to file
+// AppendLine append lines to file
 func AppendLine(line, path string) error {
 	file, err := os.OpenFile(path, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
 	if err != nil {
@@ -20,7 +20,7 @@ func AppendLine(line, path string) error {
 	return nil
 }
 
-// Read file line by line
+// ReadLine read file line by line
 func ReadLine(path string) ([]string, error) {
 	file, err := os.Open(path)
 	if err != nil {
@@ -38,7 +38,7 @@ func ReadLine(path string) ([]string, error) {
 	return lines, scanner.Err()
 }
 
-// Write file line by line
+// WriteLine write file line by line
 func WriteLine(lines []string, path string) error {
 	file, err := os.Create(path)
 	if err != nil {
diff --git a/service/search_files.go b/service/search_files.go
index 3302fe4..df69f17 100644
--- a/service/search_files.go
+++ b/service/search_files.go
@@ -6,7 +6,7 @@ import (
 	"path/filepath"
 )
 
-// Search files in directory by extension
+// SearchFilesInDir return list of files in directory by extension
 func SearchFilesInDir(file_ext, path string) ([]string, error) {
 	var files_list []string