diff --git a/common/src/app/common/flags.cljc b/common/src/app/common/flags.cljc
index 62ce48aa9a..225aa88558 100644
--- a/common/src/app/common/flags.cljc
+++ b/common/src/app/common/flags.cljc
@@ -145,6 +145,8 @@
     ;; Show WASM renderer info label (hidden by default).
     :render-wasm-info
     :render-switch
+    ;; Enables the UI scale setting (PoC: 1x / 1.25x)
+    :ui-scale
     :hide-release-modal
     :subscriptions
     :subscriptions-old
diff --git a/frontend/resources/styles/common/base.scss b/frontend/resources/styles/common/base.scss
index 41d79a0bf4..d4f1d47f36 100644
--- a/frontend/resources/styles/common/base.scss
+++ b/frontend/resources/styles/common/base.scss
@@ -18,6 +18,15 @@ $lh-115: 1.15;
 $lh-133: 1.33;
 $size-4: 1rem;
 
+// UI scale: `--ui-scale` is driven from the user profile prop `:ui-scale`
+// (see app.main.ui/app). Because DS tokens are `rem`-based, scaling the root
+// font-size uniformly scales the whole UI. The viewport/rulers are excluded
+// separately (they don't rely on this root font-size).
+:root {
+  --ui-scale: 1;
+  font-size: calc(100% * var(--ui-scale));
+}
+
 body {
   background-color: var(--color-background-primary);
   color: var(--color-foreground-primary);
diff --git a/frontend/src/app/main/ui.cljs b/frontend/src/app/main/ui.cljs
index d3216efd70..81e7b25db3 100644
--- a/frontend/src/app/main/ui.cljs
+++ b/frontend/src/app/main/ui.cljs
@@ -370,13 +370,21 @@
 
 (mf/defc app
   []
-  (let [route   (mf/deref refs/route)
-        edata   (mf/deref refs/exception)
-        profile (mf/deref refs/profile)]
+  (let [route    (mf/deref refs/route)
+        edata    (mf/deref refs/exception)
+        profile  (mf/deref refs/profile)
+        ui-scale (if (contains? cf/flags :ui-scale)
+                   (or (-> profile :props :ui-scale) 1.0)
+                   1.0)]
 
     ;; initialize themes
     (theme/use-initialize profile)
 
+    ;; Apply the UI scale by exposing it as the `--ui-scale` custom property
+    ;; on the root element, which drives the root font-size (see base.scss).
+    (mf/with-effect [ui-scale]
+      (dom/set-css-property! (.-documentElement js/document) "--ui-scale" (str ui-scale)))
+
     (dom/prevent-browser-gesture-navigation!)
 
     [:& (mf/provider ctx/current-route) {:value route}
diff --git a/frontend/src/app/main/ui/settings/options.cljs b/frontend/src/app/main/ui/settings/options.cljs
index aca2ef130c..1867e91472 100644
--- a/frontend/src/app/main/ui/settings/options.cljs
+++ b/frontend/src/app/main/ui/settings/options.cljs
@@ -15,6 +15,7 @@
    [app.main.router :as rt]
    [app.main.store :as st]
    [app.main.ui.components.forms :as fm]
+   [app.main.ui.ds.controls.select :refer [select*]]
    [app.main.ui.ds.controls.switch :refer [switch*]]
    [app.main.ui.ds.foundations.assets.icon :refer [icon*]]
    [app.main.ui.ds.foundations.typography :as t]
@@ -115,10 +116,32 @@
                    :on-change handle-render-change}]]
      [:> text* {:typography t/body-medium :class (stl/css :feedback)} [:a {:href "#" :on-click go-settings-feedback :class (stl/css :link)} (tr "dashboard.webgl-switch.feedback") [:> icon* {:icon-id "arrow-up-right" :size "s"}]]]]))
 
+(mf/defc ui-scale-settings*
+  [{:keys [ui-scale]}]
+  (let [selected (if (= ui-scale 1.15) "1.15" "1")
+        handle-scale-change
+        (mf/use-fn
+         (fn [value]
+           (let [scale (if (= value "1.15") 1.15 1.0)]
+             (st/emit! (ev/event {::ev/name "change-ui-scale"
+                                  ::ev/origin "settings"
+                                  :scale scale})
+                       (du/update-profile-props {:ui-scale scale})
+                       (ntf/success (tr "dashboard.ui-scale.updated"))))))]
+    [:section {:class (stl/css :ui-scale-container)}
+     [:header {:class (stl/css :ui-scale-header)}
+      [:> heading* {:class (stl/css :title) :level 2 :typography t/title-large} (tr "dashboard.ui-scale.title")]]
+     [:> text* {:class (stl/css :description) :typography t/body-medium} (tr "dashboard.ui-scale.description")]
+     [:> select* {:default-selected selected
+                  :options [{:id "1" :label (tr "dashboard.ui-scale.1x")}
+                            {:id "1.15" :label (tr "dashboard.ui-scale.115x")}]
+                  :on-change handle-scale-change}]]))
+
 (mf/defc options-page*
   []
-  (let [profile (mf/deref refs/profile)
-        renderer (or (-> profile :props :renderer) :svg)]
+  (let [profile  (mf/deref refs/profile)
+        renderer (or (-> profile :props :renderer) :svg)
+        ui-scale (or (-> profile :props :ui-scale) 1.0)]
     (mf/use-effect
      #(dom/set-html-title (tr "title.settings.options")))
 
@@ -128,4 +151,6 @@
        [:h2 (tr "labels.settings")]
        [:> options-form*]]
       (when (contains? cf/flags :render-switch)
-        [:> webgl-settings* {:renderer renderer}])]]))
+        [:> webgl-settings* {:renderer renderer}])
+      (when (contains? cf/flags :ui-scale)
+        [:> ui-scale-settings* {:ui-scale ui-scale}])]]))
diff --git a/frontend/src/app/main/ui/settings/options.scss b/frontend/src/app/main/ui/settings/options.scss
index d5755e6062..f23c72a7ad 100644
--- a/frontend/src/app/main/ui/settings/options.scss
+++ b/frontend/src/app/main/ui/settings/options.scss
@@ -23,7 +23,7 @@
 
 /* Copied from profile.scss .form-container, but without included nested
    rules, since we want custom styles for it */
-.webgl-container {
+.webgl-container, .ui-scale-container {
   display: grid;
   grid-auto-rows: auto;
   gap: var(--sp-s);
@@ -34,13 +34,17 @@
   color: var(--color-foreground-primary);
 }
 
-.webgl-header {
+.webgl-header, .ui-scale-header {
   display: flex;
   flex-direction: row;
   align-items: baseline;
   gap: var(--sp-m);
 }
 
+.ui-scale-container {
+  padding-block-end: var(--sp-xxxl);
+}
+
 .description {
   color: var(--color-foreground-secondary);
 }
diff --git a/frontend/translations/en.po b/frontend/translations/en.po
index ea0d60d7ec..2af557e472 100644
--- a/frontend/translations/en.po
+++ b/frontend/translations/en.po
@@ -1328,6 +1328,26 @@ msgstr "No limits on creativity"
 msgid "dashboard.upgrade-plan.penpot-free"
 msgstr "Penpot Free"
 
+#: src/app/main/ui/settings/options.cljs:135
+msgid "dashboard.ui-scale.115x"
+msgstr "1.15x (Medium)"
+
+#: src/app/main/ui/settings/options.cljs:135
+msgid "dashboard.ui-scale.1x"
+msgstr "1x (Default)"
+
+#: src/app/main/ui/settings/options.cljs:133
+msgid "dashboard.ui-scale.description"
+msgstr "Scale the Penpot interface. This does not affect the design canvas."
+
+#: src/app/main/ui/settings/options.cljs:132
+msgid "dashboard.ui-scale.title"
+msgstr "UI scale"
+
+#: src/app/main/ui/settings/options.cljs:129
+msgid "dashboard.ui-scale.updated"
+msgstr "UI scale was updated"
+
 #, unused
 msgid "dashboard.user-no-longer-belong-org"
 msgstr "You are no longer a member of the organization %s"