diff --git a/model/post.go b/model/post.go
index 7cfead7..831f74f 100644
--- a/model/post.go
+++ b/model/post.go
@@ -7,6 +7,7 @@ type PostFormat struct {
 
 type PostContext struct {
 	DefaultVisibility string
+	DefaultFormat     string
 	ReplyContext      *ReplyContext
 	Formats           []PostFormat
 	DarkMode          bool
diff --git a/model/settings.go b/model/settings.go
index 03e9581..337a6a3 100644
--- a/model/settings.go
+++ b/model/settings.go
@@ -2,6 +2,7 @@ package model
 
 type Settings struct {
 	DefaultVisibility        string `json:"default_visibility"`
+	DefaultFormat            string `json:"default_format"`
 	CopyScope                bool   `json:"copy_scope"`
 	ThreadInNewTab           bool   `json:"thread_in_new_tab"`
 	HideAttachments          bool   `json:"hide_attachments"`
@@ -15,6 +16,7 @@ type Settings struct {
 func NewSettings() *Settings {
 	return &Settings{
 		DefaultVisibility:        "public",
+		DefaultFormat:            "",
 		CopyScope:                true,
 		ThreadInNewTab:           false,
 		HideAttachments:          false,
diff --git a/renderer/model.go b/renderer/model.go
index 4b177db..0e5204a 100644
--- a/renderer/model.go
+++ b/renderer/model.go
@@ -121,5 +121,6 @@ type SearchData struct {
 
 type SettingsData struct {
 	*CommonData
-	Settings *model.Settings
+	Settings    *model.Settings
+	PostFormats []model.PostFormat
 }
diff --git a/service/service.go b/service/service.go
index 447f186..23685c4 100644
--- a/service/service.go
+++ b/service/service.go
@@ -4,8 +4,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"mime/multipart"
 	"html/template"
+	"mime/multipart"
 	"net/url"
 	"strings"
 
@@ -198,6 +198,7 @@ func (svc *service) ServeNavPage(c *model.Client) (err error) {
 
 	postContext := model.PostContext{
 		DefaultVisibility: c.Session.Settings.DefaultVisibility,
+		DefaultFormat:     c.Session.Settings.DefaultFormat,
 		Formats:           svc.postFormats,
 	}
 
@@ -326,6 +327,7 @@ func (svc *service) ServeThreadPage(c *model.Client, id string, reply bool) (err
 
 		postContext = model.PostContext{
 			DefaultVisibility: visibility,
+			DefaultFormat:     c.Session.Settings.DefaultFormat,
 			Formats:           svc.postFormats,
 			ReplyContext: &model.ReplyContext{
 				InReplyToID:     id,
@@ -686,8 +688,9 @@ func (svc *service) ServeSearchPage(c *model.Client,
 func (svc *service) ServeSettingsPage(c *model.Client) (err error) {
 	commonData := svc.getCommonData(c, "settings")
 	data := &renderer.SettingsData{
-		CommonData: commonData,
-		Settings:   &c.Session.Settings,
+		CommonData:  commonData,
+		Settings:    &c.Session.Settings,
+		PostFormats: svc.postFormats,
 	}
 
 	rCtx := getRendererContext(c)
diff --git a/service/transport.go b/service/transport.go
index 4f73c5e..6c0975d 100644
--- a/service/transport.go
+++ b/service/transport.go
@@ -584,6 +584,7 @@ func NewHandler(s Service, staticDir string) http.Handler {
 	settings := func(w http.ResponseWriter, req *http.Request) {
 		c := newClient(w, req, req.FormValue("csrf_token"))
 		visibility := req.FormValue("visibility")
+		format := req.FormValue("format")
 		copyScope := req.FormValue("copy_scope") == "true"
 		threadInNewTab := req.FormValue("thread_in_new_tab") == "true"
 		hideAttachments := req.FormValue("hide_attachments") == "true"
@@ -595,6 +596,7 @@ func NewHandler(s Service, staticDir string) http.Handler {
 
 		settings := &model.Settings{
 			DefaultVisibility:        visibility,
+			DefaultFormat:            format,
 			CopyScope:                copyScope,
 			ThreadInNewTab:           threadInNewTab,
 			HideAttachments:          hideAttachments,
diff --git a/templates/postform.tmpl b/templates/postform.tmpl
index ac77486..b38cb9d 100644
--- a/templates/postform.tmpl
+++ b/templates/postform.tmpl
@@ -16,8 +16,11 @@
 	<div>
 		{{if gt (len .Formats) 0}}
 		<span class="post-form-field">
+			{{$defFormat := .DefaultFormat}}
 			<select id="post-format" name="format" accesskey="F" title="Format (F)">
-				{{range .Formats}} <option value="{{.Type}}">{{.Name}}</option> {{end}}
+				{{range .Formats}} 
+					<option value="{{.Type}}" {{if eq $defFormat .Type}}selected{{end}}>{{.Name}}</option> 
+				{{end}}
 			</select>
 		</span>
 		{{end}}
diff --git a/templates/settings.tmpl b/templates/settings.tmpl
index 67386a4..972e1a2 100644
--- a/templates/settings.tmpl
+++ b/templates/settings.tmpl
@@ -4,6 +4,15 @@
 
 <form id="settings-form" action="/settings" method="POST">
 	<input type="hidden" name="csrf_token" value="{{$.Ctx.CSRFToken}}">
+	<div class="settings-form-field">
+		<label for="visibility"> Default format </label>
+		{{$defFormat := .Settings.DefaultFormat}}
+		<select id="post-format" name="format">
+			{{range .PostFormats}} 
+				<option value="{{.Type}}" {{if eq $defFormat .Type}}selected{{end}}>{{.Name}}</option> 
+			{{end}}
+		</select>
+	</div>
 	<div class="settings-form-field">
 		<label for="visibility"> Default scope </label>
 		<select id="visibility" name="visibility">