diff --git a/changelog/unreleased/bugfix-search-bar-on-small-screens b/changelog/unreleased/bugfix-search-bar-on-small-screens
new file mode 100644
index 00000000000..765daeb7163
--- /dev/null
+++ b/changelog/unreleased/bugfix-search-bar-on-small-screens
@@ -0,0 +1,6 @@
+Bugfix: Search bar on small screens
+
+We've fixed the display of the search bar on small screens.
+
+https://github.com/owncloud/web/pull/7675
+https://github.com/owncloud/web/issues/7617
diff --git a/packages/web-app-search/src/portals/SearchBar.vue b/packages/web-app-search/src/portals/SearchBar.vue
index 3d025eb00eb..a46d79e1296 100644
--- a/packages/web-app-search/src/portals/SearchBar.vue
+++ b/packages/web-app-search/src/portals/SearchBar.vue
@@ -1,5 +1,11 @@
 <template>
-  <div v-if="availableProviders.length" id="files-global-search" data-custom-key-bindings="true">
+  <div
+    v-if="availableProviders.length"
+    id="files-global-search"
+    ref="searchBar"
+    class="oc-flex"
+    data-custom-key-bindings="true"
+  >
     <oc-search-bar
       id="files-global-search-bar"
       ref="search"
@@ -7,6 +13,9 @@
       :type-ahead="true"
       :placeholder="searchLabel"
       :button-hidden="true"
+      :show-cancel-button="showCancelButton"
+      cancel-button-variation="inverse"
+      :cancel-handler="cancelSearch"
       @input="updateTerm"
       @clear="onClear"
       @click.native="term && $refs.optionsDrop.show()"
@@ -15,6 +24,16 @@
       @keyup.native.down="onKeyUpDown"
       @keyup.native.enter="onKeyUpEnter"
     />
+    <oc-button
+      v-oc-tooltip="$gettext('Display search bar')"
+      :aria-label="$gettext('Click to display and focus the search bar')"
+      class="mobile-search-btn oc-mr-s"
+      appearance="raw"
+      variation="inverse"
+      @click="showSearchBar"
+    >
+      <oc-icon name="search" fill-type="line"></oc-icon>
+    </oc-button>
     <oc-drop
       id="files-global-search-options"
       ref="optionsDrop"
@@ -86,6 +105,8 @@ export default {
 
   data() {
     return {
+      resizeObserver: new ResizeObserver(this.onResize),
+      showCancelButton: false,
       term: '',
       activeProvider: undefined,
       optionsVisible: false,
@@ -167,6 +188,14 @@ export default {
     })
   },
 
+  mounted() {
+    this.resizeObserver.observe(this.$refs.searchBar)
+  },
+
+  beforeDestroy() {
+    this.resizeObserver.unobserve(this.$refs.searchBar)
+  },
+
   methods: {
     async search() {
       this.searchResults = []
@@ -290,6 +319,32 @@ export default {
     isPreviewElementActive(searchId) {
       const previewElements = this.$refs.optionsDrop.$el.querySelectorAll('.preview')
       return previewElements[this.activePreviewIndex]?.dataset?.searchId === searchId
+    },
+    showSearchBar() {
+      document.getElementById('files-global-search-bar').style.visibility = 'visible'
+      document.getElementsByClassName('oc-search-input')[0].focus()
+      this.showCancelButton = true
+    },
+    cancelSearch() {
+      document.getElementById('files-global-search-bar').style.visibility = 'hidden'
+      this.showCancelButton = false
+    },
+    onResize() {
+      const searchBarEl = document.getElementById('files-global-search-bar')
+      const optionDropVisible = !!document.querySelector('.tippy-box[data-state="visible"]')
+
+      if (window.innerWidth > 639) {
+        searchBarEl.style.visibility = 'visible'
+        this.showCancelButton = false
+      } else {
+        if (optionDropVisible) {
+          searchBarEl.style.visibility = 'visible'
+          this.showCancelButton = true
+        } else {
+          searchBarEl.style.visibility = 'hidden'
+          this.showCancelButton = false
+        }
+      }
     }
   }
 }
@@ -297,11 +352,18 @@ export default {
 
 <style lang="scss">
 #files-global-search {
+  .mobile-search-btn {
+    display: none;
+    @media (max-width: 639px) {
+      display: inline-flex;
+    }
+  }
+
   .oc-search-input {
     background-color: var(--oc-color-input-bg);
     transition: 0s;
 
-    @media (max-width: 959px) {
+    @media (max-width: 639px) {
       border: none;
       display: inline;
     }
@@ -310,42 +372,29 @@ export default {
   #files-global-search-bar {
     width: 452px;
     @media (max-width: 959px) {
-      min-width: 2.5rem;
-      width: 2.5rem;
-      background-color: var(--oc-color-swatch-brand-default);
+      width: 300px;
+    }
 
-      input,
-      .oc-width-expand {
-        width: 2.5rem;
-      }
+    @media (max-width: 639px) {
+      visibility: hidden;
+      background-color: var(--oc-color-swatch-brand-default);
+      position: absolute;
+      height: 48px;
+      left: 0;
+      right: 0;
+      margin: 0 auto;
+      top: 0;
+      width: 95vw !important;
 
       .oc-search-input-icon {
-        padding: 0 var(--oc-space-large);
-      }
-
-      .oc-search-clear {
-        right: var(--oc-space-medium);
-      }
-
-      &:focus-within {
-        position: absolute;
-        height: 60px;
-        left: var(--oc-space-medium);
-        margin: 0 auto;
-        top: 0;
-        width: 100vw !important;
-
-        .oc-search-input-icon {
-          padding: 0 var(--oc-space-xlarge);
-        }
+        padding: 0 var(--oc-space-xlarge);
       }
 
-      &:focus-within input,
+      input,
       input:not(:placeholder-shown) {
         background-color: var(--oc-color-input-bg);
         border: 1px solid var(--oc-color-input-border);
         z-index: var(--oc-z-index-modal);
-        width: 95%;
         margin: 0 auto;
       }
     }
@@ -365,7 +414,11 @@ export default {
       font-weight: 600;
     }
 
-    @media (max-width: 959px) {
+    @media (max-width: 969px) {
+      width: 300px;
+    }
+
+    @media (max-width: 639px) {
       width: 93vw !important;
     }
 
diff --git a/packages/web-app-search/tests/unit/portals/SearchBar.spec.ts b/packages/web-app-search/tests/unit/portals/SearchBar.spec.ts
index 7631130fe20..4392e839266 100644
--- a/packages/web-app-search/tests/unit/portals/SearchBar.spec.ts
+++ b/packages/web-app-search/tests/unit/portals/SearchBar.spec.ts
@@ -57,6 +57,12 @@ jest.mock('lodash-es/debounce', () => (fn) => fn)
 beforeEach(() => {
   jest.resetAllMocks()
 
+  window.ResizeObserver = jest.fn().mockImplementation(() => ({
+    disconnect: jest.fn(),
+    observe: jest.fn(),
+    unobserve: jest.fn()
+  }))
+
   providerFiles.previewSearch.search.mockImplementation(() => {
     return {
       values: [
diff --git a/packages/web-runtime/src/components/Topbar/ThemeSwitcher.vue b/packages/web-runtime/src/components/Topbar/ThemeSwitcher.vue
index 24b9c347284..b33da8fe3ad 100644
--- a/packages/web-runtime/src/components/Topbar/ThemeSwitcher.vue
+++ b/packages/web-runtime/src/components/Topbar/ThemeSwitcher.vue
@@ -7,7 +7,7 @@
     variation="inverse"
     @click="toggleTheme"
   >
-    <span class="oc-visible@s" :aria-label="switchLabel" v-text="switchText" />
+    <span class="oc-visible@s" :aria-label="switchLabel" />
     <oc-icon :name="switchIcon" fill-type="line" />
   </oc-button>
 </template>
@@ -50,9 +50,6 @@ export default {
     },
     switchLabel() {
       return this.$gettext('Currently used theme')
-    },
-    switchText() {
-      return this.isLightTheme ? this.$gettext('Light mode') : this.$gettext('Dark mode')
     }
   },
   methods: {
diff --git a/packages/web-runtime/src/components/Topbar/TopBar.vue b/packages/web-runtime/src/components/Topbar/TopBar.vue
index 6528905d9f9..9f0f1cc8309 100644
--- a/packages/web-runtime/src/components/Topbar/TopBar.vue
+++ b/packages/web-runtime/src/components/Topbar/TopBar.vue
@@ -113,6 +113,12 @@ export default {
   position: sticky;
   z-index: 5;
 
+  .portal-wrapper {
+    @media (max-width: 639px) {
+      margin-left: auto;
+    }
+  }
+
   img {
     max-height: 38px;
     image-rendering: auto;
diff --git a/packages/web-runtime/tests/unit/components/Topbar/__snapshots__/ThemeSwitcher.spec.js.snap b/packages/web-runtime/tests/unit/components/Topbar/__snapshots__/ThemeSwitcher.spec.js.snap
index b6466c1f14c..1deac5194ff 100644
--- a/packages/web-runtime/tests/unit/components/Topbar/__snapshots__/ThemeSwitcher.spec.js.snap
+++ b/packages/web-runtime/tests/unit/components/Topbar/__snapshots__/ThemeSwitcher.spec.js.snap
@@ -1,37 +1,37 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`ThemeSwitcher component restores dark theme if dark theme is saved in localstorage 1`] = `
-<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s">Dark mode</span>
+<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s"></span>
   <oc-icon-stub name="moon-clear" filltype="line" accessiblelabel="" type="span" size="medium" variation="passive" color=""></oc-icon-stub>
 </button>
 `;
 
 exports[`ThemeSwitcher component restores light theme if light theme is saved in localstorage 1`] = `
-<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s">Light mode</span>
+<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s"></span>
   <oc-icon-stub name="sun" filltype="line" accessiblelabel="" type="span" size="medium" variation="passive" color=""></oc-icon-stub>
 </button>
 `;
 
 exports[`ThemeSwitcher component visually renders a button, initially in dark mode if user prefers dark color scheme 1`] = `
-<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s">Dark mode</span>
+<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s"></span>
   <oc-icon-stub name="moon-clear" filltype="line" accessiblelabel="" type="span" size="medium" variation="passive" color=""></oc-icon-stub>
 </button>
 `;
 
 exports[`ThemeSwitcher component visually renders a button, initially in light mode per default 1`] = `
-<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s">Light mode</span>
+<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s"></span>
   <oc-icon-stub name="sun" filltype="line" accessiblelabel="" type="span" size="medium" variation="passive" color=""></oc-icon-stub>
 </button>
 `;
 
 exports[`ThemeSwitcher component visually toggles between themes upon click 1`] = `
-<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s">Dark mode</span>
+<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s"></span>
   <oc-icon-stub name="moon-clear" filltype="line" accessiblelabel="" type="span" size="medium" variation="passive" color=""></oc-icon-stub>
 </button>
 `;
 
 exports[`ThemeSwitcher component visually toggles between themes upon click 2`] = `
-<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s">Light mode</span>
+<button aria-label="Click to switch theme" type="button" class="themeswitcher-btn oc-button oc-rounded oc-button-m oc-button-justify-content-center oc-button-gap-m oc-button-inverse oc-button-inverse-raw"><span aria-label="Currently used theme" class="oc-visible@s"></span>
   <oc-icon-stub name="sun" filltype="line" accessiblelabel="" type="span" size="medium" variation="passive" color=""></oc-icon-stub>
 </button>
 `;
diff --git a/tests/acceptance/pageObjects/webPage.js b/tests/acceptance/pageObjects/webPage.js
index d77b772b610..ff2091a9d1a 100644
--- a/tests/acceptance/pageObjects/webPage.js
+++ b/tests/acceptance/pageObjects/webPage.js
@@ -12,7 +12,9 @@ module.exports = {
      *
      * @param {string} searchTerm
      */
-    search: function (searchTerm) {
+    search: async function (searchTerm) {
+      // wait for search indexing to be finished
+      await this.pause(1000)
       return this.initAjaxCounters()
         .isVisible(
           {
@@ -22,13 +24,13 @@ module.exports = {
           (result) => {
             if (result.value === true) {
               this.click('@openSearchButton')
-                .waitForElementVisible('@searchInputFieldLowResolution')
-                .setValue('@searchInputFieldLowResolution', [searchTerm, this.api.Keys.ENTER])
+                .waitForElementVisible('@searchInputField')
+                .setValue('@searchInputField', [searchTerm, this.api.Keys.ENTER])
             } else {
-              this.waitForElementVisible('@searchInputFieldHighResolution').setValue(
-                '@searchInputFieldHighResolution',
-                [searchTerm, this.api.Keys.ENTER]
-              )
+              this.waitForElementVisible('@searchInputField').setValue('@searchInputField', [
+                searchTerm,
+                this.api.Keys.ENTER
+              ])
             }
           }
         )
@@ -287,14 +289,10 @@ module.exports = {
     ocDialogPromptAlert: {
       selector: '.oc-modal .oc-text-input-message'
     },
-    searchInputFieldHighResolution: {
+    searchInputField: {
       selector: '(//input[contains(@class, "oc-search-input")])[1]',
       locateStrategy: 'xpath'
     },
-    searchInputFieldLowResolution: {
-      selector: '(//input[contains(@class, "oc-search-input")])[2]',
-      locateStrategy: 'xpath'
-    },
     searchLoadingIndicator: {
       selector: '#files-global-search-bar .oc-spinner'
     },
@@ -303,7 +301,7 @@ module.exports = {
       locateStrategy: 'xpath'
     },
     openSearchButton: {
-      selector: '#files-open-search-btn'
+      selector: '.mobile-search-btn'
     },
     userMenuButton: {
       selector: '#_userMenuButton'