diff --git a/packages/web/src/javascripts/Components/Icon/IconNameToSvgMapping.tsx b/packages/web/src/javascripts/Components/Icon/IconNameToSvgMapping.tsx
index 98b666280..028ab6322 100644
--- a/packages/web/src/javascripts/Components/Icon/IconNameToSvgMapping.tsx
+++ b/packages/web/src/javascripts/Components/Icon/IconNameToSvgMapping.tsx
@@ -9,6 +9,7 @@ export const IconNameToSvgMapping = {
   'attachment-file': icons.AttachmentFileIcon,
   'check-bold': icons.CheckBoldIcon,
   'check-circle': icons.CheckCircleIcon,
+  'chevron-up': icons.ChevronUpIcon,
   'chevron-down': icons.ChevronDownIcon,
   'chevron-left': icons.ChevronLeftIcon,
   'chevron-right': icons.ChevronRightIcon,
diff --git a/packages/web/src/javascripts/Components/Shared/CopyableCodeBlock.tsx b/packages/web/src/javascripts/Components/Shared/CopyableCodeBlock.tsx
new file mode 100644
index 000000000..2417cb1e9
--- /dev/null
+++ b/packages/web/src/javascripts/Components/Shared/CopyableCodeBlock.tsx
@@ -0,0 +1,63 @@
+import { classNames } from '@/Utils/ConcatenateClassNames'
+import { addToast, ToastType } from '@standardnotes/toast'
+import { useRef, useState } from 'react'
+import Icon from '../Icon/Icon'
+
+type Props = {
+  code: string
+}
+
+const CopyableCodeBlock = ({ code }: Props) => {
+  const buttonRef = useRef<HTMLButtonElement>(null)
+  const [didCopy, setDidCopy] = useState(false)
+  const [isCopyButtonVisible, setIsCopyButtonVisible] = useState(false)
+
+  return (
+    <div
+      className="group relative"
+      onMouseEnter={() => setIsCopyButtonVisible(true)}
+      onMouseLeave={() => setIsCopyButtonVisible(false)}
+    >
+      <pre className="overflow-auto rounded-md bg-default px-2.5 py-1.5">{code}</pre>
+      <div className="absolute top-1.5 right-1.5">
+        <button
+          ref={buttonRef}
+          className={classNames(
+            'peer rounded border border-border bg-default p-2 text-text hover:bg-contrast',
+            !isCopyButtonVisible && 'hidden',
+          )}
+          onClick={() => {
+            navigator.clipboard.writeText(code).then(
+              () => {
+                setDidCopy(true)
+                setTimeout(() => {
+                  setDidCopy(false)
+                  buttonRef.current?.blur()
+                }, 1000)
+              },
+              () => {
+                addToast({
+                  type: ToastType.Error,
+                  message: 'Failed to copy to clipboard',
+                })
+                setDidCopy(false)
+              },
+            )
+          }}
+        >
+          <Icon type="copy" size="small" />
+        </button>
+        <div
+          className={classNames(
+            didCopy && isCopyButtonVisible ? '' : 'hidden',
+            'absolute top-full right-0 min-w-max translate-x-2 translate-y-1 select-none rounded border border-border bg-default py-1.5 px-3 text-left md:peer-hover:block',
+          )}
+        >
+          {didCopy ? 'Copied!' : 'Copy example to clipboard'}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default CopyableCodeBlock
diff --git a/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModal.tsx b/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModal.tsx
index fe9607219..d4e073843 100644
--- a/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModal.tsx
+++ b/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModal.tsx
@@ -10,35 +10,113 @@ import ModalDialogLabel from '@/Components/Shared/ModalDialogLabel'
 import Spinner from '@/Components/Spinner/Spinner'
 import { Platform } from '@standardnotes/snjs'
 import { observer } from 'mobx-react-lite'
-import { useRef, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import { AddSmartViewModalController } from './AddSmartViewModalController'
+import TabPanel from '../Tabs/TabPanel'
+import { useTabState } from '../Tabs/useTabState'
+import TabsContainer from '../Tabs/TabsContainer'
+import CopyableCodeBlock from '../Shared/CopyableCodeBlock'
+import { Disclosure, DisclosureButton, DisclosurePanel } from '@reach/disclosure'
+import { classNames } from '@/Utils/ConcatenateClassNames'
 
 type Props = {
   controller: AddSmartViewModalController
   platform: Platform
 }
 
+const ConflictedNotesExampleCode = `{
+  "keypath": "content.conflict_of.length",
+  "operator": ">",
+  "value": 0
+}`
+
+const ComplexCompoundExampleCode = `{
+  "operator": "and",
+  "value": [
+    {
+      "operator": "not",
+      "value": {
+        "keypath": "tags",
+        "operator": "includes",
+        "value": {
+          "keypath": "title",
+          "operator": "=",
+          "value": "completed"
+        }
+      }
+    },
+    {
+      "keypath": "tags",
+      "operator": "includes",
+      "value": {
+        "keypath": "title",
+        "operator": "=",
+        "value": "todo"
+      }
+    }
+  ]
+}
+`
+
 const AddSmartViewModal = ({ controller, platform }: Props) => {
-  const { isSaving, title, setTitle, icon, setIcon, closeModal, saveCurrentSmartView, predicateController } = controller
+  const {
+    isSaving,
+    title,
+    setTitle,
+    icon,
+    setIcon,
+    closeModal,
+    saveCurrentSmartView,
+    predicateController,
+    customPredicateJson,
+    setCustomPredicateJson,
+    isCustomJsonValidPredicate,
+    setIsCustomJsonValidPredicate,
+    validateAndPrettifyCustomPredicate,
+  } = controller
 
   const titleInputRef = useRef<HTMLInputElement>(null)
+  const customJsonInputRef = useRef<HTMLTextAreaElement>(null)
 
   const [shouldShowIconPicker, setShouldShowIconPicker] = useState(false)
   const iconPickerButtonRef = useRef<HTMLButtonElement>(null)
 
+  const [shouldShowJsonExamples, setShouldShowJsonExamples] = useState(false)
+
   const toggleIconPicker = () => {
     setShouldShowIconPicker((shouldShow) => !shouldShow)
   }
 
+  const tabState = useTabState({
+    defaultTab: 'builder',
+  })
+
   const save = () => {
     if (!title.length) {
       titleInputRef.current?.focus()
       return
     }
 
+    if (tabState.activeTab === 'custom' && !isCustomJsonValidPredicate) {
+      validateAndPrettifyCustomPredicate()
+      return
+    }
+
     void saveCurrentSmartView()
   }
 
+  const canSave = tabState.activeTab === 'builder' || isCustomJsonValidPredicate
+
+  useEffect(() => {
+    if (!customJsonInputRef.current) {
+      return
+    }
+
+    if (tabState.activeTab === 'custom' && isCustomJsonValidPredicate === false) {
+      customJsonInputRef.current.focus()
+    }
+  }, [isCustomJsonValidPredicate, tabState.activeTab])
+
   return (
     <ModalDialog>
       <ModalDialogLabel closeDialog={closeModal}>Add Smart View</ModalDialogLabel>
@@ -88,17 +166,68 @@ const AddSmartViewModal = ({ controller, platform }: Props) => {
           </div>
           <div className="flex flex-col gap-2.5">
             <div className="text-sm font-semibold">Predicate:</div>
-            <CompoundPredicateBuilder controller={predicateController} />
+            <TabsContainer
+              tabs={[
+                {
+                  id: 'builder',
+                  title: 'Builder',
+                },
+                {
+                  id: 'custom',
+                  title: 'Custom (JSON)',
+                },
+              ]}
+              state={tabState}
+            >
+              <TabPanel state={tabState} id="builder" className="flex flex-col gap-2.5 p-4">
+                <CompoundPredicateBuilder controller={predicateController} />
+              </TabPanel>
+              <TabPanel state={tabState} id="custom">
+                <textarea
+                  className="h-full min-h-[10rem] w-full resize-none bg-default py-1.5 px-2.5 font-mono text-sm"
+                  value={customPredicateJson}
+                  onChange={(event) => {
+                    setCustomPredicateJson(event.target.value)
+                    setIsCustomJsonValidPredicate(undefined)
+                  }}
+                  spellCheck={false}
+                  ref={customJsonInputRef}
+                />
+                {customPredicateJson && isCustomJsonValidPredicate === false && (
+                  <div className="mt-2 border-t border-border px-2.5 py-1.5 text-sm text-danger">
+                    Invalid JSON. Double check your entry and try again.
+                  </div>
+                )}
+              </TabPanel>
+            </TabsContainer>
+            {tabState.activeTab === 'custom' && (
+              <Disclosure open={shouldShowJsonExamples} onChange={() => setShouldShowJsonExamples((show) => !show)}>
+                <div className="flex flex-col gap-1.5 rounded-md border-2 border-info-backdrop bg-info-backdrop py-3 px-4">
+                  <DisclosureButton className="flex items-center justify-between focus:shadow-none focus:outline-none">
+                    <div className="text-sm font-semibold">Examples</div>
+                    <Icon type={shouldShowJsonExamples ? 'chevron-up' : 'chevron-down'} />
+                  </DisclosureButton>
+                  <DisclosurePanel className={classNames(shouldShowJsonExamples && 'flex', 'flex-col gap-2.5')}>
+                    <div className="text-sm font-medium">1. List notes that are conflicted copies of another note:</div>
+                    <CopyableCodeBlock code={ConflictedNotesExampleCode} />
+                    <div className="text-sm font-medium">
+                      2. List notes that have the tag `todo` but not the tag `completed`:
+                    </div>
+                    <CopyableCodeBlock code={ComplexCompoundExampleCode} />
+                  </DisclosurePanel>
+                </div>
+              </Disclosure>
+            )}
           </div>
         </div>
       </ModalDialogDescription>
       <ModalDialogButtons>
-        <Button disabled={isSaving} onClick={save}>
-          {isSaving ? <Spinner className="h-4.5 w-4.5" /> : 'Save'}
-        </Button>
-        <Button disabled={isSaving} onClick={closeModal}>
+        <Button disabled={isSaving} onClick={closeModal} className="mr-auto">
           Cancel
         </Button>
+        <Button disabled={isSaving} onClick={save} colorStyle={canSave ? 'info' : 'default'} primary={canSave}>
+          {isSaving ? <Spinner className="h-4.5 w-4.5" /> : canSave ? 'Save' : 'Validate'}
+        </Button>
       </ModalDialogButtons>
     </ModalDialog>
   )
diff --git a/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModalController.ts b/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModalController.ts
index c7cdd11f4..ba5ad647f 100644
--- a/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModalController.ts
+++ b/packages/web/src/javascripts/Components/SmartViewBuilder/AddSmartViewModalController.ts
@@ -1,6 +1,6 @@
 import { WebApplication } from '@/Application/Application'
 import { CompoundPredicateBuilderController } from '@/Components/SmartViewBuilder/CompoundPredicateBuilderController'
-import { predicateFromJson } from '@standardnotes/snjs'
+import { predicateFromJson, PredicateJsonForm } from '@standardnotes/snjs'
 import { action, makeObservable, observable } from 'mobx'
 
 export class AddSmartViewModalController {
@@ -13,6 +13,9 @@ export class AddSmartViewModalController {
 
   predicateController = new CompoundPredicateBuilderController()
 
+  customPredicateJson: string | undefined = undefined
+  isCustomJsonValidPredicate: boolean | undefined = undefined
+
   constructor(private application: WebApplication) {
     makeObservable(this, {
       isAddingSmartView: observable,
@@ -26,6 +29,11 @@ export class AddSmartViewModalController {
 
       icon: observable,
       setIcon: action,
+
+      customPredicateJson: observable,
+      isCustomJsonValidPredicate: observable,
+      setCustomPredicateJson: action,
+      setIsCustomJsonValidPredicate: action,
     })
   }
 
@@ -45,12 +53,22 @@ export class AddSmartViewModalController {
     this.icon = icon
   }
 
+  setCustomPredicateJson = (customPredicateJson: string) => {
+    this.customPredicateJson = customPredicateJson
+  }
+
+  setIsCustomJsonValidPredicate = (isCustomJsonValidPredicate: boolean | undefined) => {
+    this.isCustomJsonValidPredicate = isCustomJsonValidPredicate
+  }
+
   closeModal = () => {
     this.setIsAddingSmartView(false)
     this.setTitle('')
     this.setIcon('')
     this.setIsSaving(false)
     this.predicateController.resetState()
+    this.setCustomPredicateJson('')
+    this.setIsCustomJsonValidPredicate(undefined)
   }
 
   saveCurrentSmartView = async () => {
@@ -61,10 +79,36 @@ export class AddSmartViewModalController {
       return
     }
 
-    const predicate = predicateFromJson(this.predicateController.toJson())
+    const predicateJson =
+      this.customPredicateJson && this.isCustomJsonValidPredicate
+        ? JSON.parse(this.customPredicateJson)
+        : this.predicateController.toJson()
+    const predicate = predicateFromJson(predicateJson as PredicateJsonForm)
     await this.application.items.createSmartView(this.title, predicate, this.icon)
 
     this.setIsSaving(false)
     this.closeModal()
   }
+
+  validateAndPrettifyCustomPredicate = () => {
+    if (!this.customPredicateJson) {
+      this.setIsCustomJsonValidPredicate(false)
+      return
+    }
+
+    try {
+      const parsedPredicate: PredicateJsonForm = JSON.parse(this.customPredicateJson)
+      const predicate = predicateFromJson(parsedPredicate)
+
+      if (predicate) {
+        this.setCustomPredicateJson(JSON.stringify(parsedPredicate, null, 2))
+        this.setIsCustomJsonValidPredicate(true)
+      } else {
+        this.setIsCustomJsonValidPredicate(false)
+      }
+    } catch (error) {
+      this.setIsCustomJsonValidPredicate(false)
+      return
+    }
+  }
 }
diff --git a/packages/web/src/javascripts/Components/SmartViewBuilder/CompoundPredicateBuilder.tsx b/packages/web/src/javascripts/Components/SmartViewBuilder/CompoundPredicateBuilder.tsx
index a53031f58..c66ff8d28 100644
--- a/packages/web/src/javascripts/Components/SmartViewBuilder/CompoundPredicateBuilder.tsx
+++ b/packages/web/src/javascripts/Components/SmartViewBuilder/CompoundPredicateBuilder.tsx
@@ -44,7 +44,7 @@ const CompoundPredicateBuilder = ({ controller }: Props) => {
       </div>
       {predicates.map((predicate, index) => (
         <div className="flex flex-col gap-2.5" key={index}>
-          <div className="flex w-full items-center gap-2">
+          <div className="flex w-full flex-col gap-2 md:flex-row md:items-center">
             {index !== 0 && <div className="mr-2 text-sm font-semibold">{operator === 'and' ? 'AND' : 'OR'}</div>}
             <select
               className="flex-grow rounded border border-border bg-default py-1.5 px-2 focus:outline focus:outline-1 focus:outline-info"
diff --git a/packages/web/src/javascripts/Components/Tabs/Tab.tsx b/packages/web/src/javascripts/Components/Tabs/Tab.tsx
new file mode 100644
index 000000000..e7830abac
--- /dev/null
+++ b/packages/web/src/javascripts/Components/Tabs/Tab.tsx
@@ -0,0 +1,35 @@
+import { classNames } from '@/Utils/ConcatenateClassNames'
+import { ComponentPropsWithoutRef } from 'react'
+import { useTabStateContext } from './useTabState'
+
+type Props = { id: string } & ComponentPropsWithoutRef<'button'>
+
+const Tab = ({ id, className, children, ...props }: Props) => {
+  const { state } = useTabStateContext()
+  const { activeTab, setActiveTab } = state
+
+  const isActive = activeTab === id
+
+  return (
+    <button
+      role="tab"
+      id={`tab-control-${id}`}
+      onClick={() => {
+        setActiveTab(id)
+      }}
+      aria-selected={isActive}
+      aria-controls={`tab-panel-${id}`}
+      className={classNames(
+        'relative cursor-pointer border-0 bg-default px-3 py-2.5 text-sm focus:shadow-inner',
+        isActive ? 'font-medium text-info' : 'text-text',
+        isActive && 'after:absolute after:bottom-0 after:left-0 after:h-[2px] after:w-full after:bg-info',
+        className,
+      )}
+      {...props}
+    >
+      {children}
+    </button>
+  )
+}
+
+export default Tab
diff --git a/packages/web/src/javascripts/Components/Tabs/TabList.tsx b/packages/web/src/javascripts/Components/Tabs/TabList.tsx
new file mode 100644
index 000000000..1ac0bb966
--- /dev/null
+++ b/packages/web/src/javascripts/Components/Tabs/TabList.tsx
@@ -0,0 +1,25 @@
+import { ComponentPropsWithoutRef, useMemo } from 'react'
+import { TabStateContext, TabState } from './useTabState'
+
+type Props = {
+  state: TabState
+} & ComponentPropsWithoutRef<'div'>
+
+const TabList = ({ state, children, ...props }: Props) => {
+  const providerValue = useMemo(
+    () => ({
+      state,
+    }),
+    [state],
+  )
+
+  return (
+    <TabStateContext.Provider value={providerValue}>
+      <div role="tablist" {...props}>
+        {children}
+      </div>
+    </TabStateContext.Provider>
+  )
+}
+
+export default TabList
diff --git a/packages/web/src/javascripts/Components/Tabs/TabPanel.tsx b/packages/web/src/javascripts/Components/Tabs/TabPanel.tsx
new file mode 100644
index 000000000..6e792778f
--- /dev/null
+++ b/packages/web/src/javascripts/Components/Tabs/TabPanel.tsx
@@ -0,0 +1,22 @@
+import { ComponentPropsWithoutRef } from 'react'
+import { TabState } from './useTabState'
+
+type Props = { state: TabState; id: string } & ComponentPropsWithoutRef<'div'>
+
+const TabPanel = ({ state, id, children, ...props }: Props) => {
+  const { activeTab } = state
+
+  const isActive = activeTab === id
+
+  if (!isActive) {
+    return null
+  }
+
+  return (
+    <div role="tabpanel" id={`tab-panel-${id}`} aria-labelledby={`tab-control-${id}`} {...props}>
+      {children}
+    </div>
+  )
+}
+
+export default TabPanel
diff --git a/packages/web/src/javascripts/Components/Tabs/TabsContainer.tsx b/packages/web/src/javascripts/Components/Tabs/TabsContainer.tsx
new file mode 100644
index 000000000..eda9764ef
--- /dev/null
+++ b/packages/web/src/javascripts/Components/Tabs/TabsContainer.tsx
@@ -0,0 +1,29 @@
+import Tab from './Tab'
+import TabList from './TabList'
+import { TabState } from './useTabState'
+
+type Props = {
+  tabs: {
+    id: string
+    title: string
+  }[]
+  state: TabState
+  children: React.ReactNode
+}
+
+const TabsContainer = ({ tabs, state, children }: Props) => {
+  return (
+    <div className="overflow-hidden rounded-md border border-border">
+      <TabList state={state} className="border-b border-border">
+        {tabs.map(({ id, title }) => (
+          <Tab key={id} id={id} className="first:rounded-tl-md">
+            {title}
+          </Tab>
+        ))}
+      </TabList>
+      {children}
+    </div>
+  )
+}
+
+export default TabsContainer
diff --git a/packages/web/src/javascripts/Components/Tabs/useTabState.ts b/packages/web/src/javascripts/Components/Tabs/useTabState.ts
new file mode 100644
index 000000000..aa8c30ee9
--- /dev/null
+++ b/packages/web/src/javascripts/Components/Tabs/useTabState.ts
@@ -0,0 +1,29 @@
+import { createContext, useContext, useState } from 'react'
+
+export const useTabState = ({ defaultTab }: { defaultTab: string }) => {
+  const [activeTab, setActiveTab] = useState(defaultTab)
+
+  return { activeTab, setActiveTab }
+}
+
+export type TabState = ReturnType<typeof useTabState>
+
+type TabContextValue = {
+  state: TabState
+}
+
+export const TabStateContext = createContext<TabContextValue | undefined>(undefined)
+
+export const useTabStateContext = () => {
+  const context = useContext(TabStateContext)
+
+  if (context === undefined) {
+    throw new Error('useTabStateContext must be used within a <TabList/>')
+  }
+
+  if (context.state === undefined) {
+    throw new Error('Tab state must be provided to the parent <TabList/>')
+  }
+
+  return context
+}