diff --git a/packages/hoppscotch-common/locales/en.json b/packages/hoppscotch-common/locales/en.json
index 78448af1..82dcd403 100644
--- a/packages/hoppscotch-common/locales/en.json
+++ b/packages/hoppscotch-common/locales/en.json
@@ -1370,7 +1370,11 @@
       "command_menu": "Search & command menu",
       "help_menu": "Help menu",
       "show_all": "Keyboard shortcuts",
-      "title": "General"
+      "title": "General",
+      "comment_uncomment": "Comment/Uncomment",
+      "close_tab": "Close Tab",
+      "undo": "Undo",
+      "redo": "Redo"
     },
     "miscellaneous": {
       "invite": "Invite people to Hoppscotch",
diff --git a/packages/hoppscotch-common/src/components/MonacoScriptEditor.vue b/packages/hoppscotch-common/src/components/MonacoScriptEditor.vue
index 5bc0c0ba..33f7b9e5 100644
--- a/packages/hoppscotch-common/src/components/MonacoScriptEditor.vue
+++ b/packages/hoppscotch-common/src/components/MonacoScriptEditor.vue
@@ -99,6 +99,12 @@ const ensureCompilerOptions = (() => {
       command: null,
     })
 
+    // Add Cmd+Y redo keybinding for Monaco
+    monaco.editor.addKeybindingRule({
+      keybinding: monaco.KeyMod.CtrlCmd | monaco.KeyCode.KeyY,
+      command: "redo",
+    })
+
     applied = true
   }
 })()
diff --git a/packages/hoppscotch-common/src/components/app/Shortcuts.vue b/packages/hoppscotch-common/src/components/app/Shortcuts.vue
index ac025542..f4efd9f8 100644
--- a/packages/hoppscotch-common/src/components/app/Shortcuts.vue
+++ b/packages/hoppscotch-common/src/components/app/Shortcuts.vue
@@ -1,5 +1,10 @@
 <template>
-  <HoppSmartSlideOver :show="show" :title="t('app.shortcuts')" @close="close()">
+  <HoppSmartSlideOver
+    :show="show"
+    :title="t('app.shortcuts')"
+    data-shortcuts-flyout
+    @close="close()"
+  >
     <template #content>
       <div
         class="sticky top-0 z-10 flex flex-shrink-0 flex-col overflow-x-auto bg-primary"
diff --git a/packages/hoppscotch-common/src/composables/codemirror.ts b/packages/hoppscotch-common/src/composables/codemirror.ts
index 4911398a..6c29827b 100644
--- a/packages/hoppscotch-common/src/composables/codemirror.ts
+++ b/packages/hoppscotch-common/src/composables/codemirror.ts
@@ -19,7 +19,12 @@ import {
   StreamLanguage,
   syntaxHighlighting,
 } from "@codemirror/language"
-import { defaultKeymap, indentLess, insertTab } from "@codemirror/commands"
+import {
+  defaultKeymap,
+  indentLess,
+  insertTab,
+  redo,
+} from "@codemirror/commands"
 import { Completion, autocompletion } from "@codemirror/autocomplete"
 import { linter } from "@codemirror/lint"
 import { watch, ref, Ref, onMounted, onBeforeUnmount } from "vue"
@@ -53,7 +58,11 @@ import {
 import { HoppEnvironmentPlugin } from "@helpers/editor/extensions/HoppEnvironment"
 import xmlFormat from "xml-formatter"
 import { platform } from "~/platform"
-import { invokeAction } from "~/helpers/actions"
+import {
+  invokeAction,
+  registerCodeMirrorView,
+  unregisterCodeMirrorView,
+} from "~/helpers/actions"
 import { useDebounceFn } from "@vueuse/core"
 // TODO: Migrate from legacy mode
 
@@ -165,6 +174,13 @@ const hoppLang = (
   exts.push(hoppLinterExt(linter))
   if (completer) exts.push(hoppCompleterExt(completer))
 
+  // Add comment token configuration for JSONC to enable comment toggle
+  if (language === jsoncLanguage) {
+    exts.push(
+      EditorState.languageData.of(() => [{ commentTokens: { line: "//" } }])
+    )
+  }
+
   return language ? new LanguageSupport(language, exts) : exts
 }
 
@@ -405,7 +421,10 @@ export function useCodemirror(
                 .toJSON()
                 .join(update.state.lineBreak)
               if (!options.extendedEditorConfig.readOnly) {
-                value.value = cachedValue.value
+                // Only update if the value is actually different to prevent circular updates
+                if (value.value !== cachedValue.value) {
+                  value.value = cachedValue.value
+                }
                 if (options.onChange) {
                   options.onChange(cachedValue.value)
                 }
@@ -462,6 +481,16 @@ export function useCodemirror(
           run: indentLess,
         },
       ]),
+      Prec.highest(
+        keymap.of([
+          {
+            key: "Ctrl-y",
+            mac: "Cmd-y",
+            preventDefault: true,
+            run: redo,
+          },
+        ])
+      ),
       Prec.highest(
         keymap.of([
           {
@@ -496,6 +525,9 @@ export function useCodemirror(
       scrollTo: EditorView.scrollIntoView(0),
     })
 
+    // Register the view for global access
+    registerCodeMirrorView(view.value.dom, view.value)
+
     options.onInit?.(view.value)
   }
 
@@ -507,10 +539,16 @@ export function useCodemirror(
 
   watch(el, () => {
     if (el.value) {
-      if (view.value) view.value.destroy()
+      if (view.value) {
+        unregisterCodeMirrorView(view.value.dom)
+        view.value.destroy()
+      }
       initView(el.value)
     } else {
-      view.value?.destroy()
+      if (view.value) {
+        unregisterCodeMirrorView(view.value.dom)
+        view.value.destroy()
+      }
       view.value = undefined
     }
   })
@@ -521,7 +559,10 @@ export function useCodemirror(
 
   watch(value, (newVal) => {
     if (newVal === undefined) {
-      view.value?.destroy()
+      if (view.value) {
+        unregisterCodeMirrorView(view.value.dom)
+        view.value.destroy()
+      }
       view.value = undefined
       return
     }
diff --git a/packages/hoppscotch-common/src/helpers/actions.ts b/packages/hoppscotch-common/src/helpers/actions.ts
index e8579aa2..704962b2 100644
--- a/packages/hoppscotch-common/src/helpers/actions.ts
+++ b/packages/hoppscotch-common/src/helpers/actions.ts
@@ -11,6 +11,37 @@ import { HoppGQLSaveContext } from "./graphql/document"
 import { GQLOptionTabs } from "~/components/graphql/RequestOptions.vue"
 import { getKernelMode } from "@hoppscotch/kernel"
 import { invoke } from "@tauri-apps/api/core"
+import { undo, redo, toggleComment } from "@codemirror/commands"
+import { EditorView } from "@codemirror/view"
+import { isCodeMirrorEditor } from "./utils/dom"
+
+// Global registry for CodeMirror views
+const codeMirrorViews = new WeakMap<Element, EditorView>()
+
+/**
+ * Register a CodeMirror view with its DOM element
+ */
+export function registerCodeMirrorView(element: Element, view: EditorView) {
+  codeMirrorViews.set(element, view)
+}
+
+/**
+ * Unregister a CodeMirror view
+ */
+export function unregisterCodeMirrorView(element: Element) {
+  codeMirrorViews.delete(element)
+}
+
+/**
+ * Get the CodeMirror EditorView instance from a DOM element
+ */
+function getCodeMirrorView(element: Element): EditorView | null {
+  const editorElement = element.closest(".cm-editor")
+  if (editorElement) {
+    return codeMirrorViews.get(editorElement) || null
+  }
+  return null
+}
 
 export type HoppAction =
   | "contextmenu.open" // Send/Cancel a Hoppscotch Request
@@ -79,6 +110,9 @@ export type HoppAction =
   | "user.login" // Login to Hoppscotch
   | "user.logout" // Log out of Hoppscotch
   | "editor.format" // Format editor content
+  | "editor.undo" // Undo editor content
+  | "editor.redo" // Redo editor content
+  | "editor.comment-toggle" // Toggle comment in editor
   | "modals.team.delete" // Delete team
   | "workspace.switch" // Switch workspace
   | "rest.request.open" // Open REST request
@@ -355,4 +389,35 @@ function setupCoreActionHandlers() {
   })
 }
 
+// Editor action handlers
+bindAction("editor.undo", () => {
+  const activeElement = document.activeElement
+  if (activeElement && isCodeMirrorEditor(activeElement)) {
+    const editorView = getCodeMirrorView(activeElement)
+    if (editorView) {
+      undo(editorView)
+    }
+  }
+})
+
+bindAction("editor.redo", () => {
+  const activeElement = document.activeElement
+  if (activeElement && isCodeMirrorEditor(activeElement)) {
+    const editorView = getCodeMirrorView(activeElement)
+    if (editorView) {
+      redo(editorView)
+    }
+  }
+})
+
+bindAction("editor.comment-toggle", () => {
+  const activeElement = document.activeElement
+  if (activeElement && isCodeMirrorEditor(activeElement)) {
+    const editorView = getCodeMirrorView(activeElement)
+    if (editorView) {
+      toggleComment(editorView)
+    }
+  }
+})
+
 setupCoreActionHandlers()
diff --git a/packages/hoppscotch-common/src/helpers/keybindings.ts b/packages/hoppscotch-common/src/helpers/keybindings.ts
index eab991b3..dad787d1 100644
--- a/packages/hoppscotch-common/src/helpers/keybindings.ts
+++ b/packages/hoppscotch-common/src/helpers/keybindings.ts
@@ -1,7 +1,13 @@
 import { onBeforeUnmount, onMounted } from "vue"
 import { HoppActionWithOptionalArgs, invokeAction } from "./actions"
 import { isAppleDevice } from "./platformutils"
-import { isCodeMirrorEditor, isDOMElement, isTypableElement } from "./utils/dom"
+import {
+  isCodeMirrorEditor,
+  isDOMElement,
+  isInShortcutsFlyout,
+  isMonacoEditor,
+  isTypableElement,
+} from "./utils/dom"
 import { getKernelMode } from "@hoppscotch/kernel"
 import { listen } from "@tauri-apps/api/event"
 
@@ -63,8 +69,9 @@ const baseBindings: {
   "alt-u": "request.method.put",
   "alt-x": "request.method.delete",
   "ctrl-k": "modals.search.toggle",
-  "ctrl-/": "flyouts.keybinds.toggle",
+  "ctrl-/": "editor.comment-toggle",
   "shift-/": "modals.support.toggle",
+  "ctrl-shift-/": "flyouts.keybinds.toggle",
   "ctrl-m": "modals.share.toggle",
   "alt-r": "navigation.jump.rest",
   "alt-q": "navigation.jump.graphql",
@@ -77,10 +84,19 @@ const baseBindings: {
   "ctrl-.": "response.copy",
   "ctrl-e": "response.save-as-example",
   "ctrl-shift-l": "editor.format",
+  "ctrl-z": "editor.undo",
+  "ctrl-y": "editor.redo",
   "ctrl-delete": "response.erase",
   "ctrl-backspace": "response.erase",
 }
 
+// Web-only bindings
+const webBindings: {
+  [_ in ShortcutKey]?: HoppActionWithOptionalArgs
+} = {
+  "ctrl-d": "tab.close-current",
+}
+
 // Desktop-only bindings
 const desktopBindings: {
   [_ in ShortcutKey]?: HoppActionWithOptionalArgs
@@ -107,7 +123,10 @@ function getActiveBindings(): typeof baseBindings {
     }
   }
 
-  return baseBindings
+  return {
+    ...baseBindings,
+    ...webBindings,
+  }
 }
 
 export const bindings = getActiveBindings()
@@ -119,7 +138,8 @@ export const bindings = getActiveBindings()
  */
 export function hookKeybindingsListener() {
   onMounted(async () => {
-    document.addEventListener("keydown", handleKeyDown)
+    // Use capture phase to intercept events before browser handles them
+    document.addEventListener("keydown", handleKeyDown, true)
 
     // Listen for Tauri events (desktop only)
     if (getKernelMode() === "desktop") {
@@ -138,7 +158,7 @@ export function hookKeybindingsListener() {
   })
 
   onBeforeUnmount(() => {
-    document.removeEventListener("keydown", handleKeyDown)
+    document.removeEventListener("keydown", handleKeyDown, true)
 
     if (unlistenTauriEvent) {
       unlistenTauriEvent()
@@ -156,6 +176,57 @@ function handleKeyDown(ev: KeyboardEvent) {
 
   const activeBindings = getActiveBindings()
   const boundAction = activeBindings[binding]
+
+  // Special handling for Ctrl+D (tab close for web browsers)
+  if (binding === "ctrl-d" && boundAction) {
+    ev.preventDefault()
+    ev.stopPropagation()
+    ev.stopImmediatePropagation()
+
+    if (boundAction) {
+      invokeAction(boundAction, undefined, "keypress")
+    }
+    return
+  }
+
+  // Special handling for undo/redo - let CodeMirror and Monaco handle these in editors
+  if (binding === "ctrl-z" || binding === "ctrl-y") {
+    const target = ev.target
+    if (
+      isDOMElement(target) &&
+      (isCodeMirrorEditor(target) ||
+        isMonacoEditor(target) ||
+        isTypableElement(target))
+    ) {
+      return
+    }
+  }
+
+  // Special handling for comment toggle - let CodeMirror and Monaco handle this in editors
+  if (binding === "ctrl-/") {
+    const target = ev.target
+
+    if (!isDOMElement(target)) return
+
+    // Let editors handle it normally
+    if (isCodeMirrorEditor(target) || isMonacoEditor(target)) return
+
+    // If inside shortcuts flyout, always toggle it (even if focused on search input)
+    // If not in editor or input, fall back to keybinds flyout
+    const shouldToggle =
+      isInShortcutsFlyout(target) || !isTypableElement(target)
+
+    if (shouldToggle) {
+      invokeAction("flyouts.keybinds.toggle", undefined, "keypress")
+      ev.preventDefault()
+      return
+    }
+
+    // If in a normal input field, let browser handle it
+    return
+  }
+
+  // If no action is bound, do nothing
   if (!boundAction) return
 
   ev.preventDefault()
@@ -196,11 +267,11 @@ function generateKeybindingString(ev: KeyboardEvent): ShortcutKey | null {
       return null
     }
 
-    // Restrict alt+up and alt+down when the target is a codemirror editor
+    // Restrict alt+up and alt+down when the target is a CodeMirror or Monaco editor
     if (
       modifierKey === "alt" &&
       (key === "up" || key === "down") &&
-      isCodeMirrorEditor(target)
+      (isCodeMirrorEditor(target) || isMonacoEditor(target))
     ) {
       return null
     }
diff --git a/packages/hoppscotch-common/src/helpers/shortcuts.ts b/packages/hoppscotch-common/src/helpers/shortcuts.ts
index 35ab8a2f..75d592ac 100644
--- a/packages/hoppscotch-common/src/helpers/shortcuts.ts
+++ b/packages/hoppscotch-common/src/helpers/shortcuts.ts
@@ -33,6 +33,21 @@ export function getShortcuts(t: (x: string) => string): ShortcutDef[] {
       keys: ["ESC"],
       section: t("shortcut.general.title"),
     },
+    {
+      label: t("shortcut.general.undo"),
+      keys: [getPlatformSpecialKey(), "Z"],
+      section: t("shortcut.general.title"),
+    },
+    {
+      label: t("shortcut.general.redo"),
+      keys: [getPlatformSpecialKey(), "Y"],
+      section: t("shortcut.general.title"),
+    },
+    {
+      label: t("shortcut.general.comment_uncomment"),
+      keys: [getPlatformSpecialKey(), "/"],
+      section: t("shortcut.general.title"),
+    },
 
     // Request
     {
@@ -148,6 +163,15 @@ export function getShortcuts(t: (x: string) => string): ShortcutDef[] {
     },
   ]
 
+  // Web-only shortcuts
+  const webShortcuts: ShortcutDef[] = [
+    {
+      label: t("shortcut.general.close_tab"),
+      keys: [getPlatformSpecialKey(), "D"],
+      section: t("shortcut.general.title"),
+    },
+  ]
+
   // Desktop-only shortcuts
   const desktopShortcuts: ShortcutDef[] = [
     {
@@ -182,6 +206,9 @@ export function getShortcuts(t: (x: string) => string): ShortcutDef[] {
     },
   ]
 
-  // Return base shortcuts + desktop shortcuts only if in desktop mode
-  return isDesktop ? [...baseShortcuts, ...desktopShortcuts] : baseShortcuts
+  // Return base shortcuts + platform-specific shortcuts
+  if (isDesktop) {
+    return [...baseShortcuts, ...desktopShortcuts]
+  }
+  return [...baseShortcuts, ...webShortcuts]
 }
diff --git a/packages/hoppscotch-common/src/helpers/utils/dom.ts b/packages/hoppscotch-common/src/helpers/utils/dom.ts
index 04e0fb12..bac15378 100644
--- a/packages/hoppscotch-common/src/helpers/utils/dom.ts
+++ b/packages/hoppscotch-common/src/helpers/utils/dom.ts
@@ -27,3 +27,27 @@ export function isCodeMirrorEditor(el: EventTarget | null): boolean {
   if (!(el instanceof HTMLElement)) return false
   return el.closest(".cm-editor") !== null
 }
+
+/**
+ * Checks if an element is a Monaco editor.
+ * @param el The element to check. If this is not an HTMLElement, the function will return false.
+ * @returns True if the element is a Monaco editor, false otherwise.
+ */
+export function isMonacoEditor(el: EventTarget | null): boolean {
+  if (!(el instanceof HTMLElement)) return false
+  return el.closest(".monaco-editor") !== null
+}
+
+/**
+ * Checks if an element is inside the shortcuts flyout panel.
+ * @param el The element to check. If this is not an HTMLElement, the function will return false.
+ * @returns True if the element is inside the shortcuts flyout, false otherwise.
+ */
+export function isInShortcutsFlyout(el: EventTarget | null): boolean {
+  if (!(el instanceof HTMLElement)) return false
+
+  const slideOver = el.closest("[data-shortcuts-flyout]")
+  if (slideOver) return true
+
+  return false
+}