diff --git a/.gitignore b/.gitignore
index c3321fea..b282cf3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,5 @@ i18n.cache
 
 # pgdata
 /apps/web/pgdata
+
+.claude
\ No newline at end of file
diff --git a/apps/web/src/components/FontSizeSelector.tsx b/apps/web/src/components/FontSizeSelector.tsx
new file mode 100644
index 00000000..9478ef41
--- /dev/null
+++ b/apps/web/src/components/FontSizeSelector.tsx
@@ -0,0 +1,32 @@
+import { t } from "@lingui/core/macro";
+import { HiOutlineAdjustmentsHorizontal } from "react-icons/hi2";
+
+import { useFontSize, type FontSize } from "~/providers/font-size";
+
+const fontSizeOptions: { value: FontSize; label: () => string }[] = [
+  { value: "small", label: () => t`Small` },
+  { value: "medium", label: () => t`Medium` },
+  { value: "large", label: () => t`Large` },
+];
+
+export function FontSizeSelector() {
+  const { fontSize, setFontSize } = useFontSize();
+
+  return (
+    <div className="relative">
+      <HiOutlineAdjustmentsHorizontal className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-gray-400" />
+      <select
+        id="font-size-select"
+        value={fontSize}
+        onChange={(e) => setFontSize(e.target.value as FontSize)}
+        className="block w-full max-w-[180px] rounded-lg border-0 bg-light-50 pl-10 text-sm shadow-sm ring-1 ring-inset ring-light-300 focus:ring-2 focus:ring-inset focus:ring-light-400 dark:bg-dark-50 dark:text-dark-1000 dark:ring-dark-300 dark:focus:ring-dark-500"
+      >
+        {fontSizeOptions.map((opt) => (
+          <option key={opt.value} value={opt.value}>
+            {opt.label()}
+          </option>
+        ))}
+      </select>
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/_app.tsx b/apps/web/src/pages/_app.tsx
index 7379cd8e..eb570325 100644
--- a/apps/web/src/pages/_app.tsx
+++ b/apps/web/src/pages/_app.tsx
@@ -12,6 +12,7 @@ import posthog from "posthog-js";
 import { PostHogProvider } from "posthog-js/react";
 import { useEffect } from "react";
 
+import { FontSizeProvider } from "~/providers/font-size";
 import { KeyboardShortcutProvider } from "~/providers/keyboard-shortcuts";
 import { LinguiProviderWrapper } from "~/providers/lingui";
 import { ModalProvider } from "~/providers/modal";
@@ -83,19 +84,21 @@ const MyApp: AppType = ({ Component, pageProps }: AppPropsWithLayout) => {
       <main className="font-sans">
         <KeyboardShortcutProvider>
           <LinguiProviderWrapper>
-            <ThemeProvider attribute="class" defaultTheme="system" enableSystem>
-              <ModalProvider>
-                <PopupProvider>
-                  {posthogKey ? (
-                    <PostHogProvider client={posthog}>
-                      {getLayout(<Component {...pageProps} />)}
-                    </PostHogProvider>
-                  ) : (
-                    getLayout(<Component {...pageProps} />)
-                  )}
-                </PopupProvider>
-              </ModalProvider>
-            </ThemeProvider>
+            <FontSizeProvider>
+              <ThemeProvider attribute="class" defaultTheme="system" enableSystem>
+                <ModalProvider>
+                  <PopupProvider>
+                    {posthogKey ? (
+                      <PostHogProvider client={posthog}>
+                        {getLayout(<Component {...pageProps} />)}
+                      </PostHogProvider>
+                    ) : (
+                      getLayout(<Component {...pageProps} />)
+                    )}
+                  </PopupProvider>
+                </ModalProvider>
+              </ThemeProvider>
+            </FontSizeProvider>
           </LinguiProviderWrapper>
         </KeyboardShortcutProvider>
       </main>
diff --git a/apps/web/src/providers/font-size.tsx b/apps/web/src/providers/font-size.tsx
new file mode 100644
index 00000000..577e2e6a
--- /dev/null
+++ b/apps/web/src/providers/font-size.tsx
@@ -0,0 +1,57 @@
+import React, {
+  createContext,
+  useContext,
+  useEffect,
+  useState,
+  type ReactNode,
+} from "react";
+
+export type FontSize = "small" | "medium" | "large";
+
+const fontSizeMap: Record<FontSize, string> = {
+  small: "14px",
+  medium: "16px",
+  large: "18px",
+};
+
+interface FontSizeContextProps {
+  fontSize: FontSize;
+  setFontSize: (size: FontSize) => void;
+}
+
+const FontSizeContext = createContext<FontSizeContextProps | undefined>(
+  undefined,
+);
+
+export const FontSizeProvider: React.FC<{ children: ReactNode }> = ({
+  children,
+}) => {
+  const [fontSize, setFontSizeState] = useState<FontSize>("medium");
+
+  const setFontSize = (size: FontSize) => {
+    document.documentElement.style.fontSize = fontSizeMap[size];
+    localStorage.setItem("fontSize", size);
+    setFontSizeState(size);
+  };
+
+  useEffect(() => {
+    const stored = localStorage.getItem("fontSize") as FontSize | null;
+    const size = stored && fontSizeMap[stored] ? stored : "medium";
+    document.documentElement.style.fontSize = fontSizeMap[size];
+    setFontSizeState(size);
+  }, []);
+
+  return (
+    <FontSizeContext.Provider value={{ fontSize, setFontSize }}>
+      {children}
+    </FontSizeContext.Provider>
+  );
+};
+
+export const useFontSize = (): FontSizeContextProps => {
+  const context = useContext(FontSizeContext);
+  if (!context) {
+    throw new Error("useFontSize must be used within a FontSizeProvider");
+  }
+  return context;
+};
diff --git a/apps/web/src/styles/globals.css b/apps/web/src/styles/globals.css
index eb0cf1cc..b517bd1b 100644
--- a/apps/web/src/styles/globals.css
+++ b/apps/web/src/styles/globals.css
@@ -2,6 +2,10 @@
 @tailwind components;
 @tailwind utilities;
 
+html {
+  font-size: 14px;
+}
+
 [contenteditable="true"]:empty:before {
   content: attr(placeholder);
   display: block;
diff --git a/apps/web/src/views/settings/AccountSettings.tsx b/apps/web/src/views/settings/AccountSettings.tsx
index e28abb76..c91ebf21 100644
--- a/apps/web/src/views/settings/AccountSettings.tsx
+++ b/apps/web/src/views/settings/AccountSettings.tsx
@@ -3,6 +3,7 @@ import { env } from "next-runtime-env";
 
 import Button from "~/components/Button";
 import FeedbackModal from "~/components/FeedbackModal";
+import { FontSizeSelector } from "~/components/FontSizeSelector";
 import { LanguageSelector } from "~/components/LanguageSelector";
 import Modal from "~/components/modal";
 import { NewWorkspaceForm } from "~/components/NewWorkspaceForm";
@@ -54,6 +55,16 @@ export default function AccountSettings() {
           <LanguageSelector />
         </div>
 
+        <div className="mb-8 border-t border-light-300 dark:border-dark-300">
+          <h2 className="mb-4 mt-8 text-[14px] font-bold text-neutral-900 dark:text-dark-1000">
+            {t`Font size`}
+          </h2>
+          <p className="mb-8 text-sm text-neutral-500 dark:text-dark-900">
+            {t`Change the application font size.`}
+          </p>
+          <FontSizeSelector />
+        </div>
+
         <div className="mb-8 border-t border-light-300 dark:border-dark-300">
           <h2 className="mb-4 mt-8 text-[14px] font-bold text-neutral-900 dark:text-dark-1000">
             {t`Delete account`}