diff --git a/commafeed-client/src/app/types.ts b/commafeed-client/src/app/types.ts
index 67212e29..68a2218d 100644
--- a/commafeed-client/src/app/types.ts
+++ b/commafeed-client/src/app/types.ts
@@ -260,6 +260,7 @@ export interface LocalSettings {
     viewMode: ViewMode
     sidebarWidth: number
     announcementHash: string
+    fontSizePercentage: number
 }
 
 export interface StarRequest {
diff --git a/commafeed-client/src/app/user/slice.ts b/commafeed-client/src/app/user/slice.ts
index 2e9a79fa..487d27aa 100644
--- a/commafeed-client/src/app/user/slice.ts
+++ b/commafeed-client/src/app/user/slice.ts
@@ -36,6 +36,7 @@ export const initialLocalSettings: LocalSettings = {
     viewMode: "detailed",
     sidebarWidth: 360,
     announcementHash: "no-hash",
+    fontSizePercentage: 100,
 }
 
 const initialState: UserState = {
@@ -49,6 +50,9 @@ export const userSlice = createSlice({
         setViewMode: (state, action: PayloadAction<ViewMode>) => {
             state.localSettings.viewMode = action.payload
         },
+        setFontSizePercentage: (state, action: PayloadAction<number>) => {
+            state.localSettings.fontSizePercentage = action.payload
+        },
         setSidebarWidth: (state, action: PayloadAction<number>) => {
             state.localSettings.sidebarWidth = action.payload
         },
@@ -162,4 +166,4 @@ export const userSlice = createSlice({
     },
 })
 
-export const { setViewMode, setSidebarWidth, setAnnouncementHash } = userSlice.actions
+export const { setViewMode, setSidebarWidth, setAnnouncementHash, setFontSizePercentage } = userSlice.actions
diff --git a/commafeed-client/src/components/content/FeedEntry.tsx b/commafeed-client/src/components/content/FeedEntry.tsx
index 56c464f7..006508b3 100644
--- a/commafeed-client/src/components/content/FeedEntry.tsx
+++ b/commafeed-client/src/components/content/FeedEntry.tsx
@@ -32,8 +32,9 @@ const useStyles = tss
         rtl: boolean
         showSelectionIndicator: boolean
         maxWidth?: number
+        fontSizePercentage: number
     }>()
-    .create(({ theme, colorScheme, read, expanded, viewMode, rtl, showSelectionIndicator, maxWidth }) => {
+    .create(({ theme, colorScheme, read, expanded, viewMode, rtl, showSelectionIndicator, maxWidth, fontSizePercentage }) => {
         let backgroundColor: string
         if (colorScheme === "dark") {
             backgroundColor = read ? "inherit" : theme.colors.dark[5]
@@ -83,10 +84,12 @@ const useStyles = tss
                 },
             },
             headerLink: {
+                fontSize: `${fontSizePercentage}%`,
                 color: "inherit",
                 textDecoration: "none",
             },
             body: {
+                fontSize: `${fontSizePercentage}%`,
                 direction: rtl ? "rtl" : "ltr",
                 maxWidth: maxWidth ?? "100%",
             },
@@ -95,6 +98,7 @@ const useStyles = tss
 
 export function FeedEntry(props: FeedEntryProps) {
     const viewMode = useAppSelector(state => state.user.localSettings.viewMode)
+    const fontSizePercentage = useAppSelector(state => state.user.localSettings.fontSizePercentage)
     const { classes, cx } = useStyles({
         read: props.entry.read,
         expanded: props.expanded,
@@ -102,6 +106,7 @@ export function FeedEntry(props: FeedEntryProps) {
         rtl: props.entry.rtl,
         showSelectionIndicator: props.showSelectionIndicator,
         maxWidth: props.maxWidth,
+        fontSizePercentage,
     })
 
     const externalLinkDisplayMode = useAppSelector(state => state.user.settings?.externalLinkIconDisplayMode)
diff --git a/commafeed-client/src/components/header/ProfileMenu.tsx b/commafeed-client/src/components/header/ProfileMenu.tsx
index d9ea740f..029b1c5f 100644
--- a/commafeed-client/src/components/header/ProfileMenu.tsx
+++ b/commafeed-client/src/components/header/ProfileMenu.tsx
@@ -7,6 +7,7 @@ import {
     Menu,
     SegmentedControl,
     type SegmentedControlItem,
+    Slider,
     useMantineColorScheme,
 } from "@mantine/core"
 import { showNotification } from "@mantine/notifications"
@@ -14,7 +15,7 @@ import { client } from "app/client"
 import { redirectToAbout, redirectToAdminUsers, redirectToDonate, redirectToMetrics, redirectToSettings } from "app/redirect/thunks"
 import { useAppDispatch, useAppSelector } from "app/store"
 import type { ViewMode } from "app/types"
-import { setViewMode } from "app/user/slice"
+import { setFontSizePercentage, setViewMode } from "app/user/slice"
 import { reloadProfile } from "app/user/thunks"
 import dayjs from "dayjs"
 import { useNow } from "hooks/useNow"
@@ -100,6 +101,7 @@ export function ProfileMenu(props: ProfileMenuProps) {
     const admin = useAppSelector(state => state.user.profile?.admin)
     const viewMode = useAppSelector(state => state.user.localSettings.viewMode)
     const forceRefreshCooldownDuration = useAppSelector(state => state.server.serverInfos?.forceRefreshCooldownDuration)
+    const fontSizePercentage = useAppSelector(state => state.user.localSettings.fontSizePercentage)
     const dispatch = useAppDispatch()
     const { colorScheme, setColorScheme } = useMantineColorScheme()
 
@@ -184,6 +186,22 @@ export function ProfileMenu(props: ProfileMenuProps) {
                     mb="xs"
                 />
 
+                <Divider />
+
+                <Menu.Label>
+                    <Trans>Font size</Trans>
+                </Menu.Label>
+                <Slider
+                    min={50}
+                    max={150}
+                    step={5}
+                    marks={[{ value: 100, label: "100%" }]}
+                    label={v => `${v}%`}
+                    mb="xl"
+                    value={fontSizePercentage}
+                    onChange={value => dispatch(setFontSizePercentage(value))}
+                />
+
                 {admin && (
                     <>
                         <Divider />