diff --git a/convertor/view/form_items/form.go b/convertor/view/form_items/form.go
index 2d5e1e4..c0d1a7d 100644
--- a/convertor/view/form_items/form.go
+++ b/convertor/view/form_items/form.go
@@ -2,11 +2,15 @@ package form_items
 
 import (
 	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items/h264_nvenc"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items/libx264"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items/libx265"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
 )
 
 var Views = map[string]func(encoder encoder.EncoderContract, app kernel.AppContract) []*widget.FormItem{
-	"libx264": libx264.View,
+	"libx264":    libx264.View,
+	"h264_nvenc": h264_nvenc.View,
+	"libx265":    libx265.View,
 }
diff --git a/convertor/view/form_items/h264_nvenc/view.go b/convertor/view/form_items/h264_nvenc/view.go
new file mode 100644
index 0000000..81b3c15
--- /dev/null
+++ b/convertor/view/form_items/h264_nvenc/view.go
@@ -0,0 +1,65 @@
+package h264_nvenc
+
+import (
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder/h264_nvenc"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+)
+
+func View(encoder encoder.EncoderContract, app kernel.AppContract) []*widget.FormItem {
+	items := []*widget.FormItem{}
+
+	items = append(items, presetParameter(encoder, app)...)
+
+	return items
+}
+
+func presetParameter(encoder encoder.EncoderContract, app kernel.AppContract) []*widget.FormItem {
+	parameter, err := encoder.GetParameter("preset")
+	if err != nil {
+		return nil
+	}
+
+	presets := map[string]string{}
+	presetsForSelect := []string{}
+	presetDefault := ""
+
+	for _, name := range h264_nvenc.Presets {
+		title := name
+		presetsForSelect = append(presetsForSelect, name)
+		presets[title] = name
+		if name == parameter.Get() {
+			presetDefault = title
+		}
+	}
+
+	elementSelect := widget.NewSelect(presetsForSelect, func(s string) {
+		if presets[s] == "" {
+			return
+		}
+		parameter.Set(presets[s])
+	})
+	elementSelect.SetSelected(presetDefault)
+	elementSelect.Hide()
+
+	checkboxTitle := app.GetLocalizerService().GetMessage(&i18n.LocalizeConfig{MessageID: "parameterCheckbox"})
+	elementCheckbox := widget.NewCheck(checkboxTitle, func(b bool) {
+		if b == true {
+			parameter.SetEnable()
+			elementSelect.Show()
+			return
+		}
+		parameter.SetDisable()
+		elementSelect.Hide()
+	})
+
+	return []*widget.FormItem{
+		{
+			Text:   app.GetLocalizerService().GetMessage(&i18n.LocalizeConfig{MessageID: "formPreset"}),
+			Widget: container.NewVBox(elementCheckbox, elementSelect),
+		},
+	}
+}
diff --git a/convertor/view/form_items/libx265/view.go b/convertor/view/form_items/libx265/view.go
new file mode 100644
index 0000000..434defd
--- /dev/null
+++ b/convertor/view/form_items/libx265/view.go
@@ -0,0 +1,65 @@
+package libx265
+
+import (
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder/libx265"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+)
+
+func View(encoder encoder.EncoderContract, app kernel.AppContract) []*widget.FormItem {
+	items := []*widget.FormItem{}
+
+	items = append(items, presetParameter(encoder, app)...)
+
+	return items
+}
+
+func presetParameter(encoder encoder.EncoderContract, app kernel.AppContract) []*widget.FormItem {
+	parameter, err := encoder.GetParameter("preset")
+	if err != nil {
+		return nil
+	}
+
+	presets := map[string]string{}
+	presetsForSelect := []string{}
+	presetDefault := ""
+
+	for _, name := range libx265.Presets {
+		title := app.GetLocalizerService().GetMessage(&i18n.LocalizeConfig{MessageID: "preset_" + name})
+		presetsForSelect = append(presetsForSelect, title)
+		presets[title] = name
+		if name == parameter.Get() {
+			presetDefault = title
+		}
+	}
+
+	elementSelect := widget.NewSelect(presetsForSelect, func(s string) {
+		if presets[s] == "" {
+			return
+		}
+		parameter.Set(presets[s])
+	})
+	elementSelect.SetSelected(presetDefault)
+	elementSelect.Hide()
+
+	checkboxTitle := app.GetLocalizerService().GetMessage(&i18n.LocalizeConfig{MessageID: "parameterCheckbox"})
+	elementCheckbox := widget.NewCheck(checkboxTitle, func(b bool) {
+		if b == true {
+			parameter.SetEnable()
+			elementSelect.Show()
+			return
+		}
+		parameter.SetDisable()
+		elementSelect.Hide()
+	})
+
+	return []*widget.FormItem{
+		{
+			Text:   app.GetLocalizerService().GetMessage(&i18n.LocalizeConfig{MessageID: "formPreset"}),
+			Widget: container.NewVBox(elementCheckbox, elementSelect),
+		},
+	}
+}
diff --git a/encoder/h264_nvenc/encoder.go b/encoder/h264_nvenc/encoder.go
index b0dcb17..b064975 100644
--- a/encoder/h264_nvenc/encoder.go
+++ b/encoder/h264_nvenc/encoder.go
@@ -1,13 +1,37 @@
 package h264_nvenc
 
 import (
+	"errors"
 	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
 )
 
+var Presets = []string{
+	"default",
+	"slow",
+	"medium",
+	"fast",
+	"hp",
+	"hq",
+	"bd",
+	"ll",
+	"llhq",
+	"llhp",
+	"lossless",
+	"losslesshp",
+}
+
 func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
+	parameters := map[string]encoder2.ParameterContract{
+		"preset": newParameterPreset(),
+	}
 	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "h264_nvenc"}
+		params := []string{"-c:v", "h264_nvenc"}
+
+		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
+			params = append(params, "-preset", parameters["preset"].Get())
+		}
+
+		return params
 	}
 
 	return encoder2.NewEncoder("h264_nvenc", parameters, getParams)
@@ -19,3 +43,16 @@ func NewData() encoder2.EncoderDataContract {
 	fileType := encoder2.FileType(encoder2.Video)
 	return encoder2.NewData(title, formats, fileType, NewEncoder)
 }
+
+func newParameterPreset() encoder2.ParameterContract {
+	setParameter := func(s string) (string, error) {
+		for _, value := range Presets {
+			if value == s {
+				return value, nil
+			}
+		}
+
+		return "", errors.New("preset not found")
+	}
+	return encoder2.NewParameter("preset", false, "default", setParameter)
+}
diff --git a/encoder/libx265/encoder.go b/encoder/libx265/encoder.go
index 9f5eb27..1d4a1f3 100644
--- a/encoder/libx265/encoder.go
+++ b/encoder/libx265/encoder.go
@@ -1,11 +1,35 @@
 package libx265
 
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+import (
+	"errors"
+	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+)
+
+var Presets = []string{
+	"ultrafast",
+	"superfast",
+	"veryfast",
+	"faster",
+	"fast",
+	"medium",
+	"slow",
+	"slower",
+	"veryslow",
+	"placebo",
+}
 
 func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
+	parameters := map[string]encoder2.ParameterContract{
+		"preset": newParameterPreset(),
+	}
 	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "libx265"}
+		params := []string{"-c:v", "libx265"}
+
+		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
+			params = append(params, "-preset", parameters["preset"].Get())
+		}
+
+		return params
 	}
 
 	return encoder2.NewEncoder("libx265", parameters, getParams)
@@ -17,3 +41,16 @@ func NewData() encoder2.EncoderDataContract {
 	fileType := encoder2.FileType(encoder2.Video)
 	return encoder2.NewData(title, formats, fileType, NewEncoder)
 }
+
+func newParameterPreset() encoder2.ParameterContract {
+	setParameter := func(s string) (string, error) {
+		for _, value := range Presets {
+			if value == s {
+				return value, nil
+			}
+		}
+
+		return "", errors.New("preset not found")
+	}
+	return encoder2.NewParameter("preset", false, "medium", setParameter)
+}