diff --git a/algo/plot.go b/algo/plot.go
index 5a2e87a..dc88555 100644
--- a/algo/plot.go
+++ b/algo/plot.go
@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"git.dotya.ml/wanderer/math-optim/stats"
+	"git.dotya.ml/wanderer/math-optim/util"
 	"gonum.org/v1/gonum/floats"
 	"gonum.org/v1/plot"
 	"gonum.org/v1/plot/plotter"
@@ -88,14 +89,14 @@ func plotAllDims(algoStats []stats.Stats, fPrefix, fExt string, wg *sync.WaitGro
 				log.Panic(err)
 			}
 
-			if err := createPath(picPath); err != nil {
+			if err := util.CreatePath(picPath); err != nil {
 				log.Println(err)
 			}
 
 			filename := picPath +
 				fPrefix + "-" +
-				sanitiseFName(s.Algo) + "-" +
-				sanitiseFName(dim.BenchName) + "-" +
+				util.SanitiseFName(s.Algo) + "-" +
+				util.SanitiseFName(dim.BenchName) + "-" +
 				fmt.Sprint(s.Dimens) + "D-" +
 				fmt.Sprint(s.Generations) + "G-" +
 				fmt.Sprint(len(dim.Solution)) + "I" +
diff --git a/algo/util.go b/util/util.go
similarity index 63%
rename from algo/util.go
rename to util/util.go
index 6541710..2a9a7c7 100644
--- a/algo/util.go
+++ b/util/util.go
@@ -1,7 +1,7 @@
 // Copyright 2022 wanderer <a_mirre at utb dot cz>
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-package algo
+package util
 
 import (
 	"errors"
@@ -10,13 +10,15 @@ import (
 	"strings"
 )
 
-func sanitiseFName(s string) string {
+// SanitiseFName clears spaces from the string that is supposed to be a file
+// name.
+func SanitiseFName(s string) string {
 	return strings.ReplaceAll(s, " ", "_")
 }
 
-// createFolder creates a folder at the specified path, if it doesn't already
+// CreateFolder creates a folder at the specified path, if it doesn't already
 // exist.
-func createFolder(path string) error {
+func CreateFolder(path string) error {
 	var err error
 
 	if _, err = os.Stat(path); errors.Is(err, os.ErrNotExist) {
@@ -29,9 +31,9 @@ func createFolder(path string) error {
 	return err
 }
 
-// createPath creates all folders in the provided path, if they don't already
+// CreatePath creates all folders in the provided path, if they don't already
 // exist.
-func createPath(path string) error {
+func CreatePath(path string) error {
 	var err error
 
 	if _, err = os.Stat(path); errors.Is(err, os.ErrNotExist) {
diff --git a/algo/util_test.go b/util/util_test.go
similarity index 92%
rename from algo/util_test.go
rename to util/util_test.go
index f30e813..4501cc8 100644
--- a/algo/util_test.go
+++ b/util/util_test.go
@@ -1,7 +1,7 @@
 // Copyright 2022 wanderer <a_mirre at utb dot cz>
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-package algo
+package util
 
 import (
 	"os"
@@ -12,7 +12,7 @@ import (
 func TestCreateFolder(t *testing.T) {
 	// let's assume this will never exist in a clean project...
 	testPath := "whatever-path"
-	got := createFolder(testPath)
+	got := CreateFolder(testPath)
 
 	var want error
 
@@ -28,7 +28,7 @@ func TestCreatePath(t *testing.T) {
 	// let's assume this, too, will never exist in a clean project...
 	testPathRoot := "whatever-path"
 	testPath := testPathRoot + "/whatever-subpath/subsubpath"
-	got := createPath(testPath)
+	got := CreatePath(testPath)
 
 	var want error