diff --git a/app/components/form_elements/fieldset_component.html.erb b/app/components/form_elements/fieldset_component.html.erb
index 2bde8ce..143da70 100644
--- a/app/components/form_elements/fieldset_component.html.erb
+++ b/app/components/form_elements/fieldset_component.html.erb
@@ -1,4 +1,6 @@
-<%= tag.public_send(@tag, class: "mb-6 last:mb-0") do %>
+<%= tag.public_send(@tag, class: "mb-6 last:mb-0", data: {
+      :'field-name' => @field_name
+    }) do %>
   <% if @positioning == :vertical %>
   <label class="block">
     <p class="font-bold <%= @descripton.present? ? "mb-1" : "mb-2" %>">
@@ -9,7 +11,21 @@
       <%= @descripton %>
     </p>
     <% end %>
-    <%= content %>
+
+    <%= tag.p class: "flex gap-x-1", data: {
+                controller: @resettable ? "settings--resettable-field" : nil,
+              } do %>
+      <%= content %>
+      <% if @resettable %>
+        <button type="button"
+                class="relative grow-0 shrink-0 btn-md btn-outline text-red-700"
+                title="Reset to default value"
+                data-settings--resettable-field-target="resetButton"
+                data-action="settings--resettable-field#resetField">
+          Reset
+        </button>
+      <% end %>
+    <% end %>
   </label>
   <% elsif @positioning == :horizontal %>
   <label class="block flex items-center justify-between">
diff --git a/app/components/form_elements/fieldset_component.rb b/app/components/form_elements/fieldset_component.rb
index 23fad5b..cde51fc 100644
--- a/app/components/form_elements/fieldset_component.rb
+++ b/app/components/form_elements/fieldset_component.rb
@@ -2,11 +2,15 @@
 
 module FormElements
   class FieldsetComponent < ViewComponent::Base
-    def initialize(tag: "li", positioning: :vertical, title:, description: nil)
+    def initialize(tag: "li", positioning: :vertical,
+                   title:, description: nil,
+                   field_name: nil, resettable: false)
       @tag         = tag
       @positioning = positioning
       @title       = title
       @descripton  = description
+      @field_name  = field_name
+      @resettable  = resettable
     end
   end
 end
diff --git a/app/components/form_elements/fieldset_resettable_setting_component.html.erb b/app/components/form_elements/fieldset_resettable_setting_component.html.erb
new file mode 100644
index 0000000..a429715
--- /dev/null
+++ b/app/components/form_elements/fieldset_resettable_setting_component.html.erb
@@ -0,0 +1,13 @@
+<%= render FormElements::FieldsetComponent.new(
+      title: @title,
+      description: @description,
+      field_name: "setting_#{@key.to_s}",
+      resettable: @resettable
+    ) do %>
+  <%= method("#{@type}_field").call :setting, @key,
+    value: Setting.public_send(@key),
+    data: {
+      :'default-value' => Setting.get_field(@key)[:default]
+    },
+    class: "w-full" %>
+<% end %>
diff --git a/app/components/form_elements/fieldset_resettable_setting_component.rb b/app/components/form_elements/fieldset_resettable_setting_component.rb
new file mode 100644
index 0000000..18a4609
--- /dev/null
+++ b/app/components/form_elements/fieldset_resettable_setting_component.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module FormElements
+  class FieldsetResettableSettingComponent < ViewComponent::Base
+    def initialize(tag: "li", key:, type: :text, title:, description: nil)
+      @tag         = tag
+      @positioning = :vertical
+      @title       = title
+      @descripton  = description
+      @key         = key.to_sym
+      @type        = type
+      @resettable  = is_resettable?(@key)
+    end
+
+    def is_resettable?(key)
+      default_value = Setting.get_field(key)[:default]
+      default_value.present? && (default_value != Setting.send(key))
+    end
+  end
+end
diff --git a/app/javascript/controllers/settings/resettable_field_controller.js b/app/javascript/controllers/settings/resettable_field_controller.js
new file mode 100644
index 0000000..608d902
--- /dev/null
+++ b/app/javascript/controllers/settings/resettable_field_controller.js
@@ -0,0 +1,10 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  static targets = [ "resetButton" ]
+
+  resetField () {
+    const inputEl = this.element.querySelector('input')
+    inputEl.value = inputEl.dataset.defaultValue
+  }
+}
diff --git a/app/models/setting.rb b/app/models/setting.rb
index 6f475e9..f32c86f 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -42,13 +42,13 @@ class Setting < RailsSettings::Base
   # Discourse
   #
 
-  field :discourse_public_url, type: :string, readonly: true,
+  field :discourse_public_url, type: :string,
     default: ENV["DISCOURSE_PUBLIC_URL"].presence
 
   field :discourse_enabled, type: :boolean,
     default: (ENV["DISCOURSE_PUBLIC_URL"].present?.to_s || false)
 
-  field :discourse_connect_secret, type: :string, readonly: true,
+  field :discourse_connect_secret, type: :string,
     default: ENV["DISCOURSE_CONNECT_SECRET"].presence
 
   #
@@ -58,10 +58,10 @@ class Setting < RailsSettings::Base
   field :ejabberd_enabled, type: :boolean,
     default: (ENV["EJABBERD_API_URL"].present?.to_s || false)
 
-  field :ejabberd_api_url, type: :string, readonly: true,
+  field :ejabberd_api_url, type: :string,
     default: ENV["EJABBERD_API_URL"].presence
 
-  field :ejabberd_admin_url, type: :string, readonly: true,
+  field :ejabberd_admin_url, type: :string,
     default: ENV["EJABBERD_ADMIN_URL"].presence
 
   field :ejabberd_buddy_roster, type: :string,
@@ -71,7 +71,7 @@ class Setting < RailsSettings::Base
   # Gitea
   #
 
-  field :gitea_public_url, type: :string, readonly: true,
+  field :gitea_public_url, type: :string,
     default: ENV["GITEA_PUBLIC_URL"].presence
 
   field :gitea_enabled, type: :boolean,
@@ -81,7 +81,7 @@ class Setting < RailsSettings::Base
   # Lightning Network
   #
 
-  field :lndhub_api_url, type: :string, readonly: true,
+  field :lndhub_api_url, type: :string,
     default: ENV["LNDHUB_API_URL"].presence
 
   field :lndhub_enabled, type: :boolean,
@@ -90,7 +90,7 @@ class Setting < RailsSettings::Base
   field :lndhub_admin_enabled, type: :boolean,
     default: (ENV["LNDHUB_ADMIN_UI"] || false)
 
-  field :lndhub_public_key, type: :string, readonly: true,
+  field :lndhub_public_key, type: :string,
     default: (ENV["LNDHUB_PUBLIC_KEY"] || "")
 
   field :lndhub_keysend_enabled, type: :boolean,
@@ -100,7 +100,7 @@ class Setting < RailsSettings::Base
   # Mastodon
   #
 
-  field :mastodon_public_url, type: :string, readonly: true,
+  field :mastodon_public_url, type: :string,
     default: ENV["MASTODON_PUBLIC_URL"].presence
 
   field :mastodon_enabled, type: :boolean,
@@ -110,7 +110,7 @@ class Setting < RailsSettings::Base
   # MediaWiki
   #
 
-  field :mediawiki_public_url, type: :string, readonly: true,
+  field :mediawiki_public_url, type: :string,
     default: ENV["MEDIAWIKI_PUBLIC_URL"].presence
 
   field :mediawiki_enabled, type: :boolean,
diff --git a/app/views/admin/settings/services/_discourse.html.erb b/app/views/admin/settings/services/_discourse.html.erb
index 6af5525..a4b557f 100644
--- a/app/views/admin/settings/services/_discourse.html.erb
+++ b/app/views/admin/settings/services/_discourse.html.erb
@@ -8,16 +8,15 @@
     description: "Discourse configuration present and features enabled"
   ) %>
 <% if Setting.discourse_enabled? %>
-  <%= render FormElements::FieldsetComponent.new(title: "Public URL") do %>
-    <%= f.text_field :discourse_public_url,
-      value: Setting.discourse_public_url,
-      class: "w-full", disabled: true %>
-  <% end %>
-  <%= render FormElements::FieldsetComponent.new(title: "Connect secret") do %>
-    <%= f.password_field :discourse_connect_secret,
-      value: Setting.discourse_connect_secret,
-      class: "w-full", disabled: true %>
-  <% end %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :discourse_public_url,
+        title: "Public URL"
+      ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :discourse_connect_secret,
+        type: :password,
+        title: "Connect secret"
+      ) %>
 <% end %>
 </ul>
 <% if Setting.discourse_enabled? %>
diff --git a/app/views/admin/settings/services/_ejabberd.html.erb b/app/views/admin/settings/services/_ejabberd.html.erb
index 87afb56..0faa4b1 100644
--- a/app/views/admin/settings/services/_ejabberd.html.erb
+++ b/app/views/admin/settings/services/_ejabberd.html.erb
@@ -8,16 +8,14 @@
     description: "ejabberd configuration present and features enabled"
   ) %>
 <% if Setting.ejabberd_enabled? %>
-  <%= render FormElements::FieldsetComponent.new(title: "API URL") do %>
-    <%= f.text_field :ejabberd_api_url,
-      value: Setting.ejabberd_api_url,
-      class: "w-full", disabled: true %>
-  <% end %>
-  <%= render FormElements::FieldsetComponent.new(title: "Admin URL") do %>
-    <%= f.text_field :ejabberd_admin_url,
-      value: Setting.ejabberd_admin_url,
-      class: "w-full", disabled: true %>
-  <% end %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :ejabberd_api_url,
+        title: "API URL"
+      ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :ejabberd_admin_url,
+        title: "Admin URL"
+      ) %>
 </ul>
 <h3 class="mt-10">User default settings</h3>
 <ul role="list">
@@ -37,23 +35,24 @@
     title: "Auto-join default rooms",
     description: "Automatically join above default rooms in chat clients"
   ) %>
-  <%= render FormElements::FieldsetComponent.new(
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :ejabberd_buddy_roster,
         title: "Contact roster name",
         description: "Used when exchanging contacts after signup from invitation"
-      ) do %>
-    <%= f.text_field :ejabberd_buddy_roster,
-      value: Setting.ejabberd_buddy_roster,
-      class: "w-full" %>
-  <% end %>
+      ) %>
 </ul>
 <h3 class="mt-10">Notifications</h3>
 <ul role="list">
   <%= render FormElements::FieldsetComponent.new(
         title: "From address",
         description: "Address (JID) of the account notifications are sent from",
+        resettable: Setting.get_field(:xmpp_notifications_from_address)[:default] != Setting.xmpp_notifications_from_address
       ) do %>
     <%= f.text_field :xmpp_notifications_from_address,
       value: Setting.xmpp_notifications_from_address,
+      data: {
+        :'default-value' => Setting.get_field(:xmpp_notifications_from_address)[:default]
+      },
       class: "w-full" %>
   <% end %>
 <% end %>
diff --git a/app/views/admin/settings/services/_gitea.html.erb b/app/views/admin/settings/services/_gitea.html.erb
index 7c0238d..1e91cb6 100644
--- a/app/views/admin/settings/services/_gitea.html.erb
+++ b/app/views/admin/settings/services/_gitea.html.erb
@@ -8,10 +8,9 @@
     description: "Gitea configuration present and features enabled"
   ) %>
   <% if Setting.gitea_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Public URL") do %>
-      <%= f.text_field :gitea_public_url,
-        value: Setting.gitea_public_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :gitea_public_url,
+          title: "Public URL"
+        ) %>
   <% end %>
 </ul>
diff --git a/app/views/admin/settings/services/_lndhub.html.erb b/app/views/admin/settings/services/_lndhub.html.erb
index e9d3c2e..a68ad37 100644
--- a/app/views/admin/settings/services/_lndhub.html.erb
+++ b/app/views/admin/settings/services/_lndhub.html.erb
@@ -8,11 +8,10 @@
     description: "LNDHub configuration present and wallet features enabled"
   ) %>
   <% if Setting.lndhub_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "API URL") do %>
-      <%= f.text_field :lndhub_api_url,
-        value: Setting.lndhub_api_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :lndhub_api_url,
+          title: "API URL"
+        ) %>
   <% end %>
   <%= render FormElements::FieldsetToggleComponent.new(
     form: f,
@@ -29,10 +28,10 @@
     description: "Allow users to receive invoice-less payments to their Lightning Address"
   ) %>
   <% if Setting.lndhub_keysend_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Public key", description: "The public key of the Lightning node used by LNDHub") do %>
-      <%= f.text_field :lndhub_public_key,
-        value: Setting.lndhub_public_key,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :lndhub_public_key,
+          title: "Public key",
+          description: "The public key of the Lightning node used by LNDHub"
+        ) %>
   <% end %>
 </ul>
diff --git a/app/views/admin/settings/services/_mastodon.html.erb b/app/views/admin/settings/services/_mastodon.html.erb
index 1270860..0de87d2 100644
--- a/app/views/admin/settings/services/_mastodon.html.erb
+++ b/app/views/admin/settings/services/_mastodon.html.erb
@@ -8,10 +8,9 @@
     description: "Mastodon configuration present and features enabled"
   ) %>
   <% if Setting.mastodon_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Public URL") do %>
-      <%= f.text_field :mastodon_public_url,
-        value: Setting.mastodon_public_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :mastodon_public_url,
+          title: "Public URL"
+        ) %>
   <% end %>
 </ul>
diff --git a/app/views/admin/settings/services/_mediawiki.html.erb b/app/views/admin/settings/services/_mediawiki.html.erb
index 2456f20..2dc0aa7 100644
--- a/app/views/admin/settings/services/_mediawiki.html.erb
+++ b/app/views/admin/settings/services/_mediawiki.html.erb
@@ -8,10 +8,9 @@
     description: "MediaWiki configuration present and features enabled"
   ) %>
   <% if Setting.mediawiki_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Public URL") do %>
-      <%= f.text_field :mediawiki_public_url,
-        value: Setting.mediawiki_public_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :mediawiki_public_url,
+          title: "Public URL"
+        ) %>
   <% end %>
 </ul>
diff --git a/app/views/admin/settings/services/_remotestorage.html.erb b/app/views/admin/settings/services/_remotestorage.html.erb
index fdfa3f4..42aea32 100644
--- a/app/views/admin/settings/services/_remotestorage.html.erb
+++ b/app/views/admin/settings/services/_remotestorage.html.erb
@@ -1,4 +1,5 @@
 <h3>RemoteStorage</h3>
+<p class="text-red-600 mb-8">Feature currently in development.</p>
 <ul role="list">
   <%= render FormElements::FieldsetToggleComponent.new(
     form: f,
@@ -8,10 +9,9 @@
     description: "RemoteStorage configuration present and features enabled"
   ) %>
   <% if Setting.remotestorage_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Storage URL") do %>
-      <%= f.text_field :rs_storage_url,
-        value: Setting.rs_storage_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :rs_storage_url,
+          title: "Storage URL"
+        ) %>
   <% end %>
 </ul>
diff --git a/spec/features/admin/settings_spec.rb b/spec/features/admin/settings_spec.rb
index a522d31..c77d968 100644
--- a/spec/features/admin/settings_spec.rb
+++ b/spec/features/admin/settings_spec.rb
@@ -30,9 +30,7 @@ RSpec.describe 'Admin/global settings', type: :feature do
       visit admin_settings_services_path(params: { s: "ejabberd" })
 
       expect(page).to have_content("Enable ejabberd integration")
-      expect(page).to have_field("API URL",
-        with: "http://xmpp.example.com/api",
-        disabled: true)
+      expect(page).to have_field("API URL", with: "http://xmpp.example.com/api")
     end
 
     scenario "Disable ejabberd integration" do
@@ -67,5 +65,16 @@ RSpec.describe 'Admin/global settings', type: :feature do
       expect(page).to_not have_checked_field("setting[remotestorage_enabled]")
       expect(page).to_not have_field("Storage URL", disabled: true)
     end
+
+    scenario "Resettable fields" do
+      visit admin_settings_services_path(params: { s: "ejabberd" })
+      expect(page).to have_field("API URL", with: "http://xmpp.example.com/api")
+      expect(page).to_not have_css('input#setting_ejabberd_api_url+button')
+
+      Setting.ejabberd_api_url = "http://example.com/foo"
+      visit admin_settings_services_path(params: { s: "ejabberd" })
+      expect(page).to have_field("API URL", with: "http://example.com/foo")
+      expect(page).to have_css('input#setting_ejabberd_api_url+button')
+    end
   end
 end