diff --git a/mastodon/mastodon.go b/mastodon/mastodon.go
index 7aafdcf..5138091 100644
--- a/mastodon/mastodon.go
+++ b/mastodon/mastodon.go
@@ -210,6 +210,8 @@ type Toot struct {
 	SpoilerText string   `json:"spoiler_text"`
 	Visibility  string   `json:"visibility"`
 	ContentType string   `json:"content_type"`
+	Language    string   `json:"language"`
+	ExpiresIn   int    `json:"expires_in"`
 }
 
 // Mention hold information for mention.
diff --git a/mastodon/status.go b/mastodon/status.go
index 88d2b00..242cb03 100644
--- a/mastodon/status.go
+++ b/mastodon/status.go
@@ -358,6 +358,13 @@ func (c *Client) PostStatus(ctx context.Context, toot *Toot) (*Status, error) {
 	if toot.ContentType != "" {
 		params.Set("content_type", toot.ContentType)
 	}
+	if toot.Language != "" {
+		params.Set("language", toot.Language)
+	}
+	if toot.ExpiresIn >= 3600 {
+		params.Set("expires_in", fmt.Sprint(toot.ExpiresIn))
+	}
+
 	var status Status
 	if toot.Edit != "" {
 		err := c.doAPI(ctx, http.MethodPut, fmt.Sprintf("/api/v1/statuses/%s", toot.Edit), params, &status, nil)
diff --git a/service/service.go b/service/service.go
index 7ac5624..8cdae83 100644
--- a/service/service.go
+++ b/service/service.go
@@ -988,7 +988,7 @@ func (s *service) Signout(c *client) (err error) {
 
 func (s *service) Post(c *client, content string, replyToID string,
 	format string, visibility string, isNSFW bool, spoilerText string,
-	files []*multipart.FileHeader, edit string) (id string, err error) {
+	files []*multipart.FileHeader, edit string, language string, expiresIn int) (id string, err error) {
 
 	var mediaIDs []string
 	for _, f := range files {
@@ -999,6 +999,8 @@ func (s *service) Post(c *client, content string, replyToID string,
 		mediaIDs = append(mediaIDs, a.ID)
 	}
 
+	expiresIn = expiresIn * 3600
+
 	tweet := &mastodon.Toot{
 		SpoilerText: spoilerText,
 		Status:      content,
@@ -1008,7 +1010,10 @@ func (s *service) Post(c *client, content string, replyToID string,
 		Visibility:  visibility,
 		Sensitive:   isNSFW,
 		Edit:   edit,
+		Language: language,
+		ExpiresIn: expiresIn, // pleroma compatible
 	}
+
 	st, err := c.PostStatus(c.ctx, tweet)
 	if err != nil {
 		return
diff --git a/service/transport.go b/service/transport.go
index 2b579e4..30c5a2b 100644
--- a/service/transport.go
+++ b/service/transport.go
@@ -314,8 +314,13 @@ func NewHandler(s *service, verbose bool, staticDir string) http.Handler {
 		quickReply := c.r.FormValue("quickreply") == "true"
 		files := c.r.MultipartForm.File["attachments"]
 		edit := c.r.FormValue("edit-status-id")
+		language := c.r.FormValue("lang-code")
+		expiresIn, err := strconv.Atoi(c.r.FormValue("expires-in"))
+		if err != nil {
+			return err
+		}
 
-		id, err := s.Post(c, content, replyToID, format, visibility, isNSFW, spoilerText, files, edit)
+		id, err := s.Post(c, content, replyToID, format, visibility, isNSFW, spoilerText, files, edit, language, expiresIn)
 		if err != nil {
 			return err
 		}
diff --git a/templates/postform.tmpl b/templates/postform.tmpl
index 57a43d4..a952fe4 100644
--- a/templates/postform.tmpl
+++ b/templates/postform.tmpl
@@ -48,6 +48,8 @@
 	<button type="submit" accesskey="P" title="Post (P)"> Post </button>
 	<button type="reset" title="Reset"> Reset </button>
 	<input id="edit-status-id" name="edit-status-id" placeholder="Input Status ID for edit" title="Edit ID">
+	<input id="lang-code" name="lang-code" placeholder="lang" title="Post language (ISO 639) [en, ru, etc..] Default: none" size="4">
+	<input type="number" id="expires-in" name="expires-in" title="Post autodeleted after hour(s)" min="0" value="0" size="4">
 </form>
 {{end}}