diff --git a/internal/web/handlers/gist/download.go b/internal/web/handlers/gist/download.go
index 3370ba3..0c5607f 100644
--- a/internal/web/handlers/gist/download.go
+++ b/internal/web/handlers/gist/download.go
@@ -36,6 +36,7 @@ func RawFile(ctx *context.Context) error {
 	}
 
 	ctx.Response().Header().Set("Content-Disposition", "inline; filename=\""+url.PathEscape(file.Filename)+"\"")
+	ctx.Response().Header().Set("Content-Length", strconv.Itoa(int(file.Size)))
 	ctx.Response().Header().Set("X-Content-Type-Options", "nosniff")
 	return ctx.PlainText(200, file.Content)
 }
@@ -53,7 +54,7 @@ func DownloadFile(ctx *context.Context) error {
 
 	ctx.Response().Header().Set("Content-Type", file.MimeType.Header())
 	ctx.Response().Header().Set("Content-Disposition", "attachment; filename=\""+url.PathEscape(file.Filename)+"\"")
-	ctx.Response().Header().Set("Content-Length", strconv.Itoa(len(file.Content)))
+	ctx.Response().Header().Set("Content-Length", strconv.Itoa(int(file.Size)))
 	ctx.Response().Header().Set("X-Content-Type-Options", "nosniff")
 	_, err = ctx.Response().Write([]byte(file.Content))
 	if err != nil {
diff --git a/internal/web/handlers/gist/download_test.go b/internal/web/handlers/gist/download_test.go
index 597d09e..497c06e 100644
--- a/internal/web/handlers/gist/download_test.go
+++ b/internal/web/handlers/gist/download_test.go
@@ -65,6 +65,7 @@ func TestRawFile(t *testing.T) {
 		resp := s.Request(t, "GET", "/"+username+"/"+identifier+"/raw/HEAD/file.txt", nil, 200)
 
 		require.Equal(t, `inline; filename="file.txt"`, resp.Header.Get("Content-Disposition"))
+		require.Equal(t, "11", resp.Header.Get("Content-Length"))
 		require.Equal(t, "nosniff", resp.Header.Get("X-Content-Type-Options"))
 		require.Contains(t, resp.Header.Get("Content-Type"), "text/plain")
 
diff --git a/internal/web/server/router.go b/internal/web/server/router.go
index 0fa6d34..d25aa74 100644
--- a/internal/web/server/router.go
+++ b/internal/web/server/router.go
@@ -194,7 +194,9 @@ func (s *Server) registerRoutes() {
 			sC.POST("/archive", gist.ToggleArchive, logged, writePermission)
 			sC.POST("/delete", gist.DeleteGist, logged, writePermission)
 			sC.GET("/raw/:revision/:file", gist.RawFile)
+			sC.HEAD("/raw/:revision/:file", gist.RawFile)
 			sC.GET("/download/:revision/:file", gist.DownloadFile)
+			sC.HEAD("/download/:revision/:file", gist.DownloadFile)
 			sC.GET("/edit", gist.Edit, logged, writePermission, notArchived)
 			sC.POST("/edit", gist.ProcessCreate, logged, writePermission, notArchived)
 			sC.POST("/like", gist.Like, logged)
@@ -259,6 +261,10 @@ func (r *Router) GET(path string, h Handler, m ...Middleware) {
 	r.Group.GET(path, chain(h, m...).toEchoHandler())
 }
 
+func (r *Router) HEAD(path string, h Handler, m ...Middleware) {
+	r.Group.HEAD(path, chain(h, m...).toEchoHandler())
+}
+
 func (r *Router) POST(path string, h Handler, m ...Middleware) {
 	r.Group.POST(path, chain(h, m...).toEchoHandler())
 }