diff --git a/apps/desktop/src/components/editor/EditorSettingsDialog.vue b/apps/desktop/src/components/editor/EditorSettingsDialog.vue
index a6742ba4e1..2ace16e262 100644
--- a/apps/desktop/src/components/editor/EditorSettingsDialog.vue
+++ b/apps/desktop/src/components/editor/EditorSettingsDialog.vue
@@ -47,6 +47,10 @@ import {
   type CustomTheme,
   type ClickTableNavigationTarget,
   type SqlCompletionTriggerMode,
+  SIDEBAR_INDENT_MIN,
+  SIDEBAR_INDENT_MAX,
+  SIDEBAR_FONT_SIZE_MIN,
+  SIDEBAR_FONT_SIZE_MAX,
 } from "@/stores/settingsStore";
 import { createRunStatementButtonDom, loadEditorTheme, editorFontTheme } from "@/lib/editor/editorThemes";
 import { orderAiConfigsForDisplay } from "@/lib/ai/aiConfigOrdering";
@@ -406,6 +410,8 @@ const editUpdateNotificationsEnabled = ref(settingsStore.editorSettings.updateNo
 const editSidebarHiddenTablePrefixes = ref(settingsStore.editorSettings.sidebarHiddenTablePrefixes.join("\n"));
 const editSidebarObjectInfoMode = ref<SidebarObjectInfoMode>(settingsStore.editorSettings.sidebarObjectInfoMode);
 const editSidebarAllowHorizontalScroll = ref(settingsStore.editorSettings.sidebarAllowHorizontalScroll);
+const editSidebarIndent = ref(settingsStore.editorSettings.sidebarIndent);
+const editSidebarFontSize = ref(settingsStore.editorSettings.sidebarFontSize);
 const editExportBatchSize = ref(settingsStore.editorSettings.exportBatchSize);
 const editGlobalDateTimeDisplayFormat = ref(settingsStore.editorSettings.globalDateTimeDisplayFormat);
 const editGlobalDateTimeExportFormat = ref(settingsStore.editorSettings.globalDateTimeExportFormat);
@@ -526,6 +532,8 @@ function currentEditorSettingsDraft(): EditorSettingsDraft {
     updateNotificationsEnabled: editUpdateNotificationsEnabled.value,
     sidebarObjectInfoMode: editSidebarObjectInfoMode.value,
     sidebarAllowHorizontalScroll: editSidebarAllowHorizontalScroll.value,
+    sidebarIndent: editSidebarIndent.value,
+    sidebarFontSize: editSidebarFontSize.value,
     sidebarHiddenTablePrefixes: normalizeSidebarHiddenTablePrefixes(editSidebarHiddenTablePrefixes.value),
     exportBatchSize: editExportBatchSize.value,
     globalDateTimeDisplayFormat: editGlobalDateTimeDisplayFormat.value,
@@ -808,6 +816,8 @@ function syncEditorSettingsDraftFromStore() {
   editSidebarHiddenTablePrefixes.value = settingsStore.editorSettings.sidebarHiddenTablePrefixes.join("\n");
   editSidebarObjectInfoMode.value = settingsStore.editorSettings.sidebarObjectInfoMode;
   editSidebarAllowHorizontalScroll.value = settingsStore.editorSettings.sidebarAllowHorizontalScroll;
+  editSidebarIndent.value = settingsStore.editorSettings.sidebarIndent;
+  editSidebarFontSize.value = settingsStore.editorSettings.sidebarFontSize;
   editExportBatchSize.value = settingsStore.editorSettings.exportBatchSize;
   editGlobalDateTimeDisplayFormat.value = settingsStore.editorSettings.globalDateTimeDisplayFormat;
   editGlobalDateTimeExportFormat.value = settingsStore.editorSettings.globalDateTimeExportFormat;
@@ -1023,6 +1033,8 @@ function resetDefaultsForTab(tab: SettingsCategory) {
     editUpdateNotificationsEnabled.value = DEFAULT_EDITOR_SETTINGS.updateNotificationsEnabled;
     editSidebarObjectInfoMode.value = DEFAULT_EDITOR_SETTINGS.sidebarObjectInfoMode;
     editSidebarAllowHorizontalScroll.value = DEFAULT_EDITOR_SETTINGS.sidebarAllowHorizontalScroll;
+    editSidebarIndent.value = DEFAULT_EDITOR_SETTINGS.sidebarIndent;
+    editSidebarFontSize.value = DEFAULT_EDITOR_SETTINGS.sidebarFontSize;
     editSidebarHiddenTablePrefixes.value = DEFAULT_EDITOR_SETTINGS.sidebarHiddenTablePrefixes.join("\n");
     editToolbarItems.value = { ...DEFAULT_EDITOR_SETTINGS.toolbarItems };
   } else if (tab === "data") {
@@ -1132,6 +1144,8 @@ function resetAllDefaults() {
   editUpdateNotificationsEnabled.value = DEFAULT_EDITOR_SETTINGS.updateNotificationsEnabled;
   editSidebarObjectInfoMode.value = DEFAULT_EDITOR_SETTINGS.sidebarObjectInfoMode;
   editSidebarAllowHorizontalScroll.value = DEFAULT_EDITOR_SETTINGS.sidebarAllowHorizontalScroll;
+  editSidebarIndent.value = DEFAULT_EDITOR_SETTINGS.sidebarIndent;
+  editSidebarFontSize.value = DEFAULT_EDITOR_SETTINGS.sidebarFontSize;
   editSidebarHiddenTablePrefixes.value = DEFAULT_EDITOR_SETTINGS.sidebarHiddenTablePrefixes.join("\n");
   editExportBatchSize.value = DEFAULT_EDITOR_SETTINGS.exportBatchSize;
   editGlobalDateTimeDisplayFormat.value = DEFAULT_EDITOR_SETTINGS.globalDateTimeDisplayFormat;
@@ -4751,6 +4765,52 @@ onUnmounted(() => {
                 </div>
                 <Switch id="sidebar-allow-horizontal-scroll" v-model="editSidebarAllowHorizontalScroll" />
               </div>
+              <div class="flex items-center justify-between gap-4 rounded-md border bg-muted/20 px-3 py-2">
+                <div class="space-y-1">
+                  <Label for="sidebar-indent">{{ t("settings.sidebarIndent") }}</Label>
+                  <p class="text-xs text-muted-foreground">
+                    {{ t("settings.sidebarIndentDescription") }}
+                  </p>
+                </div>
+                <Input
+                  id="sidebar-indent"
+                  type="number"
+                  class="w-24 text-right"
+                  :min="SIDEBAR_INDENT_MIN"
+                  :max="SIDEBAR_INDENT_MAX"
+                  :step="2"
+                  :model-value="editSidebarIndent"
+                  @update:model-value="
+                    (value: string | number) => {
+                      const n = typeof value === 'string' ? parseInt(value) : value;
+                      if (!isNaN(n)) editSidebarIndent = n;
+                    }
+                  "
+                />
+              </div>
+              <div class="flex items-center justify-between gap-4 rounded-md border bg-muted/20 px-3 py-2">
+                <div class="space-y-1">
+                  <Label for="sidebar-font-size">{{ t("settings.sidebarFontSize") }}</Label>
+                  <p class="text-xs text-muted-foreground">
+                    {{ t("settings.sidebarFontSizeDescription") }}
+                  </p>
+                </div>
+                <Input
+                  id="sidebar-font-size"
+                  type="number"
+                  class="w-24 text-right"
+                  :min="SIDEBAR_FONT_SIZE_MIN"
+                  :max="SIDEBAR_FONT_SIZE_MAX"
+                  :step="1"
+                  :model-value="editSidebarFontSize"
+                  @update:model-value="
+                    (value: string | number) => {
+                      const n = typeof value === 'string' ? parseInt(value) : value;
+                      if (!isNaN(n)) editSidebarFontSize = n;
+                    }
+                  "
+                />
+              </div>
               <div class="space-y-2">
                 <Label for="sidebar-hidden-table-prefixes">{{ t("settings.sidebarHiddenTablePrefixes") }}</Label>
                 <textarea
diff --git a/apps/desktop/src/components/sidebar/ConnectionTree.vue b/apps/desktop/src/components/sidebar/ConnectionTree.vue
index cd094a222a..a665ea1aee 100644
--- a/apps/desktop/src/components/sidebar/ConnectionTree.vue
+++ b/apps/desktop/src/components/sidebar/ConnectionTree.vue
@@ -82,6 +82,7 @@ const showConnectedConnectionsOnly = ref(false);
 const isDisconnectingAllActiveConnections = ref(false);
 const searchInputRef = ref<HTMLInputElement>();
 const rootRef = ref<HTMLElement>();
+const sidebarRootStyle = computed<Record<string, string>>(() => ({ fontSize: `${settingsStore.editorSettings.sidebarFontSize}px` }));
 const pointerInsideTree = ref(false);
 const treeScrollerRef = ref<InstanceType<typeof RecycleScroller> | null>(null);
 const plainTreeScrollerRef = ref<HTMLElement | null>(null);
@@ -691,7 +692,7 @@ function measureSidebarTreeContentWidth() {
   if (!context) return;
   const style = window.getComputedStyle(rootRef.value);
   context.font = style.font || `${style.fontWeight} ${style.fontSize} ${style.fontFamily}`;
-  sidebarTreeContentWidth.value = sidebarTreeNaturalContentWidth(sidebarTreeNaturalWidthItems.value, (text) => context.measureText(text).width);
+  sidebarTreeContentWidth.value = sidebarTreeNaturalContentWidth(sidebarTreeNaturalWidthItems.value, (text) => context.measureText(text).width, settingsStore.editorSettings.sidebarIndent);
   void nextTick(scheduleSidebarScrollMetricsUpdate);
 }
 
@@ -705,7 +706,15 @@ function scheduleSidebarTreeContentWidthMeasure() {
 }
 
 watch(
-  [flatNodes, () => settingsStore.editorSettings.sidebarObjectInfoMode, () => settingsStore.editorSettings.sidebarShowConnectionNotes, () => settingsStore.editorSettings.sidebarHiddenTablePrefixes, () => settingsStore.editorSettings.uiFontFamily, () => settingsStore.editorSettings.uiScale],
+  [
+    flatNodes,
+    () => settingsStore.editorSettings.sidebarObjectInfoMode,
+    () => settingsStore.editorSettings.sidebarShowConnectionNotes,
+    () => settingsStore.editorSettings.sidebarHiddenTablePrefixes,
+    () => settingsStore.editorSettings.uiFontFamily,
+    () => settingsStore.editorSettings.uiScale,
+    () => settingsStore.editorSettings.sidebarFontSize,
+  ],
   scheduleSidebarCommentLabelMeasure,
   {
     flush: "post",
@@ -713,7 +722,7 @@ watch(
   },
 );
 
-watch([sidebarTreeNaturalWidthItems, () => settingsStore.editorSettings.uiFontFamily, () => settingsStore.editorSettings.uiScale], scheduleSidebarTreeContentWidthMeasure, {
+watch([sidebarTreeNaturalWidthItems, () => settingsStore.editorSettings.uiFontFamily, () => settingsStore.editorSettings.uiScale, () => settingsStore.editorSettings.sidebarIndent, () => settingsStore.editorSettings.sidebarFontSize], scheduleSidebarTreeContentWidthMeasure, {
   flush: "post",
   immediate: true,
 });
@@ -1988,7 +1997,7 @@ defineExpose({ focusSearch, createNewGroup, collapseAllTreeNodes });
 </script>
 
 <template>
-  <div ref="rootRef" class="h-full min-h-0 flex flex-col text-sm select-none" @pointerenter="pointerInsideTree = true" @pointerleave="pointerInsideTree = false">
+  <div ref="rootRef" class="h-full min-h-0 flex flex-col select-none" :style="sidebarRootStyle" @pointerenter="pointerInsideTree = true" @pointerleave="pointerInsideTree = false">
     <SidebarTreeRuntimeHost
       :ref="bindSidebarTreeRuntimeHost"
       :node="sidebarTreeRuntimeInitialNode"
diff --git a/apps/desktop/src/components/sidebar/TreeItem.vue b/apps/desktop/src/components/sidebar/TreeItem.vue
index 1949b96e38..da532913a1 100644
--- a/apps/desktop/src/components/sidebar/TreeItem.vue
+++ b/apps/desktop/src/components/sidebar/TreeItem.vue
@@ -742,7 +742,7 @@ const labelWidthClass = computed(() => {
 
 watch(() => [isRightAlignedComment(), visibleLabel(activeNode.value), trailingComment.value, trailingCommentLayoutRef.value, trailingCommentLeadingRef.value], refreshTrailingCommentMeasurement, { flush: "post", immediate: true });
 
-const paddingLeft = computed(() => treeItemPaddingLeft(props.depth));
+const paddingLeft = computed(() => treeItemPaddingLeft(props.depth, settingsStore.editorSettings.sidebarIndent));
 
 const tableSearchParentId = computed(() => activeNode.value.tableSearchParentId || "");
 
@@ -1424,8 +1424,9 @@ function onKeydown(event: KeyboardEvent) {
 <style>
 .sidebar-object-comment {
   color: var(--muted-foreground);
-  font-size: 12px;
-  line-height: 1rem;
+  /* Relative to the sidebar tree root font size so comments follow the sidebarFontSize setting. */
+  font-size: 0.85em;
+  line-height: 1.25;
   opacity: 0.6;
   /* Sidebar rows repaint on hover; avoid heavier font shaping and fallback here. */
   text-rendering: auto;
@@ -1439,7 +1440,7 @@ function onKeydown(event: KeyboardEvent) {
 
 .sidebar-object-comment--windows {
   font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
-  font-size: 14px;
+  font-size: 1em;
   font-weight: 500;
   opacity: 1;
 }
diff --git a/apps/desktop/src/i18n/locales/en.ts b/apps/desktop/src/i18n/locales/en.ts
index 79076184cb..a4592b45ec 100644
--- a/apps/desktop/src/i18n/locales/en.ts
+++ b/apps/desktop/src/i18n/locales/en.ts
@@ -5838,6 +5838,10 @@ export default {
     sidebarObjectInfoModeHidden: "None",
     sidebarAllowHorizontalScroll: "Allow sidebar horizontal scroll",
     sidebarAllowHorizontalScrollDescription: "Show long table, view, and collection names in full by allowing horizontal sidebar scrolling.",
+    sidebarIndent: "Sidebar indentation",
+    sidebarIndentDescription: "Horizontal offset added per tree depth level, in pixels.",
+    sidebarFontSize: "Sidebar font size",
+    sidebarFontSizeDescription: "Font size for the sidebar object tree, in pixels. Independent of the editor font size.",
     snippetsDescription: "Customize SQL snippet templates triggered in the editor.",
     snippetsAdd: "Add Snippet",
     snippetsLabel: "Label",
diff --git a/apps/desktop/src/i18n/locales/es.ts b/apps/desktop/src/i18n/locales/es.ts
index b27b86c6b9..7cc4229d1e 100644
--- a/apps/desktop/src/i18n/locales/es.ts
+++ b/apps/desktop/src/i18n/locales/es.ts
@@ -5988,6 +5988,10 @@ export default withEnglishFallback({
     syncSnippetMigrateLegacyCleanupRequired: "Se creó el fragmento cifrado, pero no se pudo eliminar el fragmento heredado {id}. Elimínelo manualmente y rote las credenciales que podrían haberse expuesto.",
     syncSnippetRetryLegacyCleanup: "Reintentar limpieza heredada",
     syncSnippetLegacyCleanupSuccess: "Se eliminó el fragmento heredado de texto sin formato {id}.",
+    sidebarIndent: "Sangría de la barra lateral",
+    sidebarIndentDescription: "Desplazamiento en píxeles de la sangría para cada nivel del árbol.",
+    sidebarFontSize: "Tamaño de fuente de la barra lateral",
+    sidebarFontSizeDescription: "Tamaño de fuente (en píxeles) del árbol de objetos de la barra lateral, independiente del tamaño de fuente del editor.",
   },
   driverStore: {
     jreDirRemoveFailed: "No se pudo eliminar el directorio JRE antiguo: {path} (error original: {error})",
diff --git a/apps/desktop/src/i18n/locales/it.ts b/apps/desktop/src/i18n/locales/it.ts
index 964477e7a2..6e61c57a88 100644
--- a/apps/desktop/src/i18n/locales/it.ts
+++ b/apps/desktop/src/i18n/locales/it.ts
@@ -5988,6 +5988,10 @@ export default withEnglishFallback({
     syncSnippetMigrateLegacyCleanupRequired: "Lo snippet crittografato è stato creato, ma non è stato possibile eliminare lo snippet legacy {id}. Eliminalo manualmente e ruota le credenziali che potrebbero essere state esposte.",
     syncSnippetRetryLegacyCleanup: "Riprova pulizia legacy",
     syncSnippetLegacyCleanupSuccess: "Lo snippet legacy in testo semplice {id} è stato eliminato.",
+    sidebarIndent: "Indentazione della barra laterale",
+    sidebarIndentDescription: "Offset in pixel per l'indentazione di ogni livello dell'albero.",
+    sidebarFontSize: "Dimensione del carattere della barra laterale",
+    sidebarFontSizeDescription: "Dimensione del carattere (in pixel) per l'albero degli oggetti della barra laterale, indipendente dalla dimensione del carattere dell'editor.",
   },
   driverStore: {
     jreDirRemoveFailed: "Impossibile rimuovere la vecchia directory JRE: {path} (errore originale: {error})",
diff --git a/apps/desktop/src/i18n/locales/ja.ts b/apps/desktop/src/i18n/locales/ja.ts
index da6ff5de51..0b797253be 100644
--- a/apps/desktop/src/i18n/locales/ja.ts
+++ b/apps/desktop/src/i18n/locales/ja.ts
@@ -6041,6 +6041,10 @@ export default withEnglishFallback({
     completionTriggerModeManual: "手動のみ",
     completionTriggerModeRequirePrefix: "識別子入力後",
     completionTriggerModePositional: "スマート位置",
+    sidebarIndent: "サイドバーのインデント",
+    sidebarIndentDescription: "各ツリー階層のインデントのピクセルオフセット。",
+    sidebarFontSize: "サイドバーのフォントサイズ",
+    sidebarFontSizeDescription: "サイドバーのオブジェクトツリーのフォントサイズ（ピクセル）。エディターのフォントサイズとは独立しています。",
   },
   driverStore: {
     jreDirRemoveFailed: "古い JRE ディレクトリを削除できませんでした: {path}（元のエラー: {error}）",
diff --git a/apps/desktop/src/i18n/locales/pt-BR.ts b/apps/desktop/src/i18n/locales/pt-BR.ts
index 5d1cd5288f..3261102703 100644
--- a/apps/desktop/src/i18n/locales/pt-BR.ts
+++ b/apps/desktop/src/i18n/locales/pt-BR.ts
@@ -5990,6 +5990,10 @@ export default withEnglishFallback({
     syncSnippetMigrateLegacyCleanupRequired: "O snippet criptografado foi criado, mas não foi possível excluir o snippet legado {id}. Exclua-o manualmente e altere as credenciais que possam ter sido expostas.",
     syncSnippetRetryLegacyCleanup: "Tentar limpeza legada novamente",
     syncSnippetLegacyCleanupSuccess: "O snippet legado em texto simples {id} foi removido.",
+    sidebarIndent: "Indentação da barra lateral",
+    sidebarIndentDescription: "O deslocamento em pixels da indentação para cada nível da árvore.",
+    sidebarFontSize: "Tamanho da fonte da barra lateral",
+    sidebarFontSizeDescription: "Tamanho da fonte (em pixels) da árvore de objetos da barra lateral, independente do tamanho da fonte do editor.",
   },
   driverStore: {
     jreDirRemoveFailed: "Não foi possível remover o diretório JRE antigo: {path} (erro original: {error})",
diff --git a/apps/desktop/src/i18n/locales/zh-CN.ts b/apps/desktop/src/i18n/locales/zh-CN.ts
index 64e4f24e08..ef09eb0bb0 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.ts
+++ b/apps/desktop/src/i18n/locales/zh-CN.ts
@@ -5824,6 +5824,10 @@ export default withEnglishFallback({
     sidebarObjectInfoModeHidden: "不显示",
     sidebarAllowHorizontalScroll: "允许侧边栏横向滚动",
     sidebarAllowHorizontalScrollDescription: "完整显示较长的表、视图和集合名称；默认关闭以保留省略号截断。",
+    sidebarIndent: "侧边栏缩进",
+    sidebarIndentDescription: "每个树层级缩进的像素偏移量。",
+    sidebarFontSize: "侧边栏字体大小",
+    sidebarFontSizeDescription: "侧边栏对象树的字体大小（像素），独立于编辑器字体大小。",
     snippetsDescription: "自定义编辑器中触发的 SQL 代码片段模板。",
     snippetsAdd: "添加片段",
     snippetsLabel: "显示名",
diff --git a/apps/desktop/src/i18n/locales/zh-TW.ts b/apps/desktop/src/i18n/locales/zh-TW.ts
index 7163f5c2f5..89054cdfad 100644
--- a/apps/desktop/src/i18n/locales/zh-TW.ts
+++ b/apps/desktop/src/i18n/locales/zh-TW.ts
@@ -5328,6 +5328,10 @@ export default withEnglishFallback({
     syncSnippetMigrateLegacyCleanupRequired: "已建立加密程式碼片段，但無法刪除舊程式碼片段 {id}。請手動刪除它，並輪換可能已暴露的憑據。",
     syncSnippetRetryLegacyCleanup: "重試清理舊版程式碼片段",
     syncSnippetLegacyCleanupSuccess: "已刪除舊版純文字程式碼片段 {id}。",
+    sidebarIndent: "側邊欄縮排",
+    sidebarIndentDescription: "每個樹層級縮排的像素位移量。",
+    sidebarFontSize: "側邊欄字型大小",
+    sidebarFontSizeDescription: "側邊欄物件樹的字型大小（像素），獨立於編輯器字型大小。",
   },
   driverStore: {
     jreDirRemoveFailed: "無法刪除舊的 JRE 目錄：{path}（原始錯誤：{error}）",
diff --git a/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeItemLayout.spec.ts b/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeItemLayout.spec.ts
index 33c919ed85..ea1ce586b5 100644
--- a/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeItemLayout.spec.ts
+++ b/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeItemLayout.spec.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { alignedCommentLeadingWidth, alignedSidebarCommentLabelWidths, canTreeNodeShowExpander, sidebarTreeNaturalContentWidth, sidebarTreeNodeComment, trailingCommentAvailableWidth, treeLabelWidthClass, usesFullWidthTreeLabel } from "@/lib/sidebar/sidebarTreeItemLayout";
+import { alignedCommentLeadingWidth, alignedSidebarCommentLabelWidths, canTreeNodeShowExpander, sidebarTreeNaturalContentWidth, sidebarTreeNodeComment, trailingCommentAvailableWidth, treeItemPaddingLeft, treeLabelWidthClass, usesFullWidthTreeLabel } from "@/lib/sidebar/sidebarTreeItemLayout";
 import type { TreeNode } from "@/types/database";
 
 describe("sidebar tree item layout", () => {
@@ -91,4 +91,16 @@ describe("sidebar tree item layout", () => {
   it("returns zero when no tree row uses natural width", () => {
     expect(sidebarTreeNaturalContentWidth([{ depth: 2, label: "commented", usesNaturalWidth: false }], (text) => text.length * 7)).toBe(0);
   });
+
+  it("applies a configurable per-depth indent to rows and natural-width measurement", () => {
+    // Default keeps the historical 16px per level.
+    expect(treeItemPaddingLeft(2)).toBe("40px");
+    expect(treeItemPaddingLeft(2, 24)).toBe("56px");
+    expect(treeItemPaddingLeft(0, 24)).toBe("8px");
+
+    const items = [{ depth: 4, label: "nested", usesNaturalWidth: true, trailingWidth: 20 }];
+    const measure = (text: string) => text.length * 7;
+    expect(sidebarTreeNaturalContentWidth(items, measure, 16)).toBe(4 * 16 + 8 + 54 + "nested".length * 7 + 20);
+    expect(sidebarTreeNaturalContentWidth(items, measure, 32)).toBe(4 * 32 + 8 + 54 + "nested".length * 7 + 20);
+  });
 });
diff --git a/apps/desktop/src/lib/settings/editorSettingsDraft.ts b/apps/desktop/src/lib/settings/editorSettingsDraft.ts
index 4908aebbbc..7700109275 100644
--- a/apps/desktop/src/lib/settings/editorSettingsDraft.ts
+++ b/apps/desktop/src/lib/settings/editorSettingsDraft.ts
@@ -63,6 +63,8 @@ export const EDITOR_SETTINGS_DRAFT_KEYS = [
   "updateNotificationsEnabled",
   "sidebarObjectInfoMode",
   "sidebarAllowHorizontalScroll",
+  "sidebarIndent",
+  "sidebarFontSize",
   "sidebarHiddenTablePrefixes",
   "exportBatchSize",
   "exportRowLimitEnabled",
diff --git a/apps/desktop/src/lib/settings/settingsSearch.ts b/apps/desktop/src/lib/settings/settingsSearch.ts
index a889f7aaad..f174bd31b1 100644
--- a/apps/desktop/src/lib/settings/settingsSearch.ts
+++ b/apps/desktop/src/lib/settings/settingsSearch.ts
@@ -167,6 +167,8 @@ export const SETTINGS_SEARCH_DEFINITIONS: readonly SettingsSearchDefinition[] =
   { id: "navigation-open-database-on-single-click", category: "navigation", titleKey: "settings.sidebarOpenDatabaseOnSingleClick", descriptionKey: "settings.sidebarOpenDatabaseOnSingleClickDescription", targetId: "navigation" },
   { id: "navigation-tabs-restore", category: "navigation", titleKey: "settings.openTabsRestoreMode", descriptionKey: "settings.openTabsRestoreModeDescription", targetId: "navigation" },
   { id: "navigation-sidebar-scroll", category: "navigation", titleKey: "settings.sidebarAllowHorizontalScroll", descriptionKey: "settings.sidebarAllowHorizontalScrollDescription", targetId: "navigation" },
+  { id: "navigation-sidebar-indent", category: "navigation", titleKey: "settings.sidebarIndent", descriptionKey: "settings.sidebarIndentDescription", targetId: "navigation" },
+  { id: "navigation-sidebar-font-size", category: "navigation", titleKey: "settings.sidebarFontSize", descriptionKey: "settings.sidebarFontSizeDescription", targetId: "navigation" },
   { id: "navigation-hidden-tables", category: "navigation", titleKey: "settings.sidebarHiddenTablePrefixes", descriptionKey: "settings.sidebarHiddenTablePrefixesDescription", targetId: "navigation" },
   { id: "navigation-table-page-size", category: "navigation", titleKey: "settings.sidebarTablePageSize", descriptionKey: "settings.sidebarTablePageSizeDescription", targetId: "navigation" },
   { id: "navigation-disconnect-tabs", category: "navigation", titleKey: "settings.disconnectTabHandlingMode", descriptionKey: "settings.disconnectTabHandlingModeDescription", targetId: "navigation" },
diff --git a/apps/desktop/src/lib/sidebar/sidebarTreeItemLayout.ts b/apps/desktop/src/lib/sidebar/sidebarTreeItemLayout.ts
index a218baa692..9878e80405 100644
--- a/apps/desktop/src/lib/sidebar/sidebarTreeItemLayout.ts
+++ b/apps/desktop/src/lib/sidebar/sidebarTreeItemLayout.ts
@@ -63,8 +63,10 @@ const pinnableTypes: Set<TreeNodeType> = new Set([
 
 const commentTypes: Set<TreeNodeType> = new Set(["connection", "schema", "table", "view", "materialized_view", "column", "mongo-collection", "vector-collection", "elasticsearch-index"]);
 
-export function treeItemPaddingLeft(depth: number): string {
-  return `${depth * 16 + 8}px`;
+export const SIDEBAR_INDENT_DEFAULT_PX = 16;
+
+export function treeItemPaddingLeft(depth: number, indentPx = SIDEBAR_INDENT_DEFAULT_PX): string {
+  return `${depth * indentPx + 8}px`;
 }
 
 export const trailingCommentGapPx = 8;
@@ -97,11 +99,11 @@ export interface SidebarTreeNaturalWidthItem {
 // Right padding, expander/icon widths and the two flex gaps before the label.
 const sidebarTreeRowChromeWidth = 54;
 
-export function sidebarTreeNaturalContentWidth(items: readonly SidebarTreeNaturalWidthItem[], measureText: (text: string) => number): number {
+export function sidebarTreeNaturalContentWidth(items: readonly SidebarTreeNaturalWidthItem[], measureText: (text: string) => number, indentPx = SIDEBAR_INDENT_DEFAULT_PX): number {
   let width = 0;
   for (const item of items) {
     if (!item.usesNaturalWidth) continue;
-    const paddingLeft = item.depth * 16 + 8;
+    const paddingLeft = item.depth * indentPx + 8;
     width = Math.max(width, Math.ceil(paddingLeft + sidebarTreeRowChromeWidth + measureText(item.label) + (item.trailingWidth ?? 0)));
   }
   return width;
diff --git a/apps/desktop/src/stores/__tests__/settingsStore.spec.ts b/apps/desktop/src/stores/__tests__/settingsStore.spec.ts
index d09a9bf90a..a61383ac5c 100644
--- a/apps/desktop/src/stores/__tests__/settingsStore.spec.ts
+++ b/apps/desktop/src/stores/__tests__/settingsStore.spec.ts
@@ -43,6 +43,17 @@ describe("normalizeEditorSettings", () => {
     expect(normalizeEditorSettings({ regexMaxMatchCount: Number.POSITIVE_INFINITY }).regexMaxMatchCount).toBe(1000);
     expect(normalizeEditorSettings({ regexMaxMatchCount: Number.NaN }).regexMaxMatchCount).toBe(1000);
   });
+  it("defaults and bounds the sidebar indent and font size", () => {
+    expect(normalizeEditorSettings({}).sidebarIndent).toBe(16);
+    expect(normalizeEditorSettings({}).sidebarFontSize).toBe(14);
+    expect(normalizeEditorSettings({ sidebarIndent: 24, sidebarFontSize: 18 }).sidebarIndent).toBe(24);
+    expect(normalizeEditorSettings({ sidebarIndent: 24, sidebarFontSize: 18 }).sidebarFontSize).toBe(18);
+    expect(normalizeEditorSettings({ sidebarIndent: 999, sidebarFontSize: 1 } as any).sidebarIndent).toBe(32);
+    expect(normalizeEditorSettings({ sidebarIndent: 999, sidebarFontSize: 1 } as any).sidebarFontSize).toBe(9);
+    expect(normalizeEditorSettings({ sidebarIndent: 1.4, sidebarFontSize: 13.6 } as any).sidebarIndent).toBe(4);
+    expect(normalizeEditorSettings({ sidebarIndent: 1.4, sidebarFontSize: 13.6 } as any).sidebarFontSize).toBe(14);
+  });
+
   it("uses inline comments by default and preserves legacy comment visibility", () => {
     expect(normalizeEditorSettings({}).sidebarObjectInfoMode).toBe("comment-inline");
     expect(normalizeEditorSettings({ sidebarObjectInfoMode: "comment-aligned" }).sidebarObjectInfoMode).toBe("comment-aligned");
diff --git a/apps/desktop/src/stores/settingsStore.ts b/apps/desktop/src/stores/settingsStore.ts
index 521bad3eb0..e16b40d7c5 100644
--- a/apps/desktop/src/stores/settingsStore.ts
+++ b/apps/desktop/src/stores/settingsStore.ts
@@ -418,6 +418,12 @@ export type ResultRunDisplayMode = (typeof RESULT_RUN_DISPLAY_MODES)[number];
 export const TABLE_FONT_SIZE_MIN = 8;
 export const TABLE_FONT_SIZE_MAX = 16;
 export const TABLE_FONT_SIZE_DEFAULT = 13;
+export const SIDEBAR_FONT_SIZE_MIN = 9;
+export const SIDEBAR_FONT_SIZE_MAX = 24;
+export const SIDEBAR_FONT_SIZE_DEFAULT = 14;
+export const SIDEBAR_INDENT_MIN = 4;
+export const SIDEBAR_INDENT_MAX = 32;
+export const SIDEBAR_INDENT_DEFAULT = 16;
 const DISCONNECT_TAB_HANDLING_MODES = ["close-tabs", "keep-tabs-clear-results", "keep-tabs-keep-results"] as const;
 export type DisconnectTabHandlingMode = (typeof DISCONNECT_TAB_HANDLING_MODES)[number];
 
@@ -587,6 +593,8 @@ export interface EditorSettings {
   sidebarObjectInfoMode: SidebarObjectInfoMode;
   sidebarShowConnectionNotes: boolean;
   sidebarAllowHorizontalScroll: boolean;
+  sidebarIndent: number;
+  sidebarFontSize: number;
   columnFormatters: Record<string, ColumnFormatterConfig>;
   customColumnFormatters: Record<string, CustomColumnFormatterConfig>;
   globalDateTimeDisplayFormat: string;
@@ -786,6 +794,8 @@ export const DEFAULT_EDITOR_SETTINGS: EditorSettings = {
   sidebarObjectInfoMode: "comment-inline",
   sidebarShowConnectionNotes: false,
   sidebarAllowHorizontalScroll: false,
+  sidebarIndent: SIDEBAR_INDENT_DEFAULT,
+  sidebarFontSize: SIDEBAR_FONT_SIZE_DEFAULT,
   columnFormatters: {},
   customColumnFormatters: {},
   globalDateTimeDisplayFormat: "",
@@ -872,6 +882,16 @@ function normalizeTableFontSize(value: unknown): number {
   return Math.min(TABLE_FONT_SIZE_MAX, Math.max(TABLE_FONT_SIZE_MIN, Math.round(value)));
 }
 
+function normalizeSidebarFontSize(value: unknown): number {
+  if (typeof value !== "number" || !Number.isFinite(value)) return SIDEBAR_FONT_SIZE_DEFAULT;
+  return Math.min(SIDEBAR_FONT_SIZE_MAX, Math.max(SIDEBAR_FONT_SIZE_MIN, Math.round(value)));
+}
+
+function normalizeSidebarIndent(value: unknown): number {
+  if (typeof value !== "number" || !Number.isFinite(value)) return SIDEBAR_INDENT_DEFAULT;
+  return Math.min(SIDEBAR_INDENT_MAX, Math.max(SIDEBAR_INDENT_MIN, Math.round(value)));
+}
+
 function normalizeUpdateDownloadSource(value: unknown): UpdateDownloadSource {
   // Preserve the intent of users who previously selected the mainland-China mirror.
   if (value === "atomgit") return "cnb";
@@ -1168,6 +1188,8 @@ export function normalizeEditorSettings(settings: Partial<EditorSettings>, exist
     ),
     sidebarShowConnectionNotes: settings.sidebarShowConnectionNotes === true,
     sidebarAllowHorizontalScroll: settings.sidebarAllowHorizontalScroll ?? DEFAULT_EDITOR_SETTINGS.sidebarAllowHorizontalScroll,
+    sidebarIndent: normalizeSidebarIndent(settings.sidebarIndent),
+    sidebarFontSize: normalizeSidebarFontSize(settings.sidebarFontSize),
     columnFormatters: normalizeColumnFormatters(settings.columnFormatters),
     customColumnFormatters: normalizeCustomColumnFormatters(settings.customColumnFormatters),
     globalDateTimeDisplayFormat: normalizeGlobalDateTimePattern(settings.globalDateTimeDisplayFormat),
@@ -1712,6 +1734,8 @@ export const useSettingsStore = defineStore("settings", () => {
     if (partial.sidebarObjectInfoMode !== undefined) editorSettings.value.sidebarObjectInfoMode = normalizeSidebarObjectInfoMode(partial.sidebarObjectInfoMode);
     if (partial.sidebarShowConnectionNotes !== undefined) editorSettings.value.sidebarShowConnectionNotes = partial.sidebarShowConnectionNotes === true;
     if (partial.sidebarAllowHorizontalScroll !== undefined) editorSettings.value.sidebarAllowHorizontalScroll = partial.sidebarAllowHorizontalScroll;
+    if (partial.sidebarIndent !== undefined) editorSettings.value.sidebarIndent = normalizeSidebarIndent(partial.sidebarIndent);
+    if (partial.sidebarFontSize !== undefined) editorSettings.value.sidebarFontSize = normalizeSidebarFontSize(partial.sidebarFontSize);
     if (partial.columnFormatters !== undefined) editorSettings.value.columnFormatters = partial.columnFormatters;
     if (partial.customColumnFormatters !== undefined) editorSettings.value.customColumnFormatters = partial.customColumnFormatters;
     if (partial.globalDateTimeDisplayFormat !== undefined) editorSettings.value.globalDateTimeDisplayFormat = normalizeGlobalDateTimePattern(partial.globalDateTimeDisplayFormat);