diff --git a/package.json b/package.json
index 96f6e01d..ae8dc977 100644
--- a/package.json
+++ b/package.json
@@ -136,7 +136,8 @@
     "semver": "^7.5.2",
     "string-to-stream": "^3.0.1",
     "winston": "^3.8.1",
-    "yargs-parser": "^21.1.1"
+    "yargs-parser": "^21.1.1",
+    "zod": "^3.22.5"
   },
   "build": {
     "directories": {
diff --git a/src/renderer/src/SegmentList.tsx b/src/renderer/src/SegmentList.tsx
index 302db799..18410bf7 100644
--- a/src/renderer/src/SegmentList.tsx
+++ b/src/renderer/src/SegmentList.tsx
@@ -400,11 +400,11 @@ const SegmentList = memo(({
     );
   }
 
-  const [editingTag, setEditingTag] = useState();
+  const [editingTag, setEditingTag] = useState<string>();
 
-  const onTagChange = useCallback((tag: string, value: string) => setEditingSegmentTags((existingTags) => ({
+  const onTagsChange = useCallback((keyValues: Record<string, string>) => setEditingSegmentTags((existingTags) => ({
     ...existingTags,
-    [tag]: value,
+    ...keyValues,
   })), [setEditingSegmentTags]);
 
   const onTagReset = useCallback((tag: string) => setEditingSegmentTags((tags) => {
@@ -437,7 +437,7 @@ const SegmentList = memo(({
         onCloseComplete={onSegmentTagsCloseComplete}
       >
         <div style={{ color: 'black' }}>
-          <TagEditor customTags={editingSegmentTags} editingTag={editingTag} setEditingTag={setEditingTag} onTagChange={onTagChange} onTagReset={onTagReset} addTagTitle={t('Add segment tag')} addTagText={t('Enter tag key')} />
+          <TagEditor customTags={editingSegmentTags} editingTag={editingTag} setEditingTag={setEditingTag} onTagsChange={onTagsChange} onTagReset={onTagReset} addTagTitle={t('Add segment tag')} addTagText={t('Enter tag key')} />
         </div>
       </Dialog>
 
diff --git a/src/renderer/src/components/CopyClipboardButton.tsx b/src/renderer/src/components/CopyClipboardButton.tsx
index fe3c0d87..a1295428 100644
--- a/src/renderer/src/components/CopyClipboardButton.tsx
+++ b/src/renderer/src/components/CopyClipboardButton.tsx
@@ -23,7 +23,6 @@ const CopyClipboardButton = memo(({ text, style }: { text: string, style?: Motio
     <motion.span animate={animation} style={{ display: 'inline-block', cursor: 'pointer', ...style }}>
       <FaClipboard title={t('Copy to clipboard')} onClick={onClick} />
     </motion.span>
-
   );
 });
 
diff --git a/src/renderer/src/components/TagEditor.jsx b/src/renderer/src/components/TagEditor.tsx
similarity index 57%
rename from src/renderer/src/components/TagEditor.jsx
rename to src/renderer/src/components/TagEditor.tsx
index 2ebb108f..5bb4dc63 100644
--- a/src/renderer/src/components/TagEditor.jsx
+++ b/src/renderer/src/components/TagEditor.tsx
@@ -1,46 +1,70 @@
 import { memo, useRef, useState, useMemo, useCallback, useEffect } from 'react';
 import { useTranslation } from 'react-i18next';
 import { TextInput, TrashIcon, TickIcon, EditIcon, PlusIcon, Button, IconButton } from 'evergreen-ui';
+import invariant from 'tiny-invariant';
 
 import { askForMetadataKey } from '../dialogs';
+import { SegmentTags, segmentTagsSchema } from '../types';
+import CopyClipboardButton from './CopyClipboardButton';
+import { errorToast } from '../swal';
 
 
+const { clipboard } = window.require('electron');
+
 const activeColor = '#429777';
 
 const emptyObject = {};
 
-function TagEditor({ existingTags = emptyObject, customTags = emptyObject, editingTag, setEditingTag, onTagChange, onTagReset, addTagTitle, addTagText }) {
+function TagEditor({ existingTags = emptyObject, customTags = emptyObject, editingTag, setEditingTag, onTagsChange, onTagReset, addTagTitle, addTagText }: {
+  existingTags?: SegmentTags, customTags?: SegmentTags | undefined, editingTag: string | undefined, setEditingTag: (v: string | undefined) => void, onTagsChange: (keyValues: Record<string, string>) => void, onTagReset: (tag: string) => void, addTagTitle: string, addTagText: string,
+}) {
   const { t } = useTranslation();
-  const ref = useRef();
+  const ref = useRef<HTMLInputElement>(null);
 
-  const [editingTagVal, setEditingTagVal] = useState();
-  const [newTag, setNewTag] = useState();
+  const [editingTagVal, setEditingTagVal] = useState<string>();
+  const [newTag, setNewTag] = useState<string>();
 
-  const mergedTags = useMemo(() => ({ ...existingTags, ...customTags, ...(newTag ? { [newTag]: '' } : {}) }), [customTags, existingTags, newTag]);
+  const mergedTags = useMemo(() => ({ ...existingTags, ...customTags, ...(newTag ? { [newTag]: '' } : undefined) }), [customTags, existingTags, newTag]);
 
   const onResetClick = useCallback(() => {
+    invariant(editingTag != null);
     onTagReset(editingTag);
-    setEditingTag();
-    setNewTag();
+    setEditingTag(undefined);
+    setNewTag(undefined);
   }, [editingTag, onTagReset, setEditingTag]);
 
-  const onEditClick = useCallback((tag) => {
+  const onPasteClick = useCallback(async () => {
+    const text = clipboard.readText();
+    try {
+      const json = JSON.parse(text);
+      const newTags = segmentTagsSchema.parse(json);
+      onTagsChange(newTags);
+    } catch (e) {
+      if (e instanceof Error) errorToast(e.message);
+    }
+  }, [onTagsChange]);
+
+  const onEditClick = useCallback((tag?: string) => {
     if (newTag) {
-      onTagChange(editingTag, editingTagVal);
-      setEditingTag();
-      setNewTag();
+      invariant(editingTag != null);
+      invariant(editingTagVal != null);
+      onTagsChange({ [editingTag]: editingTagVal });
+      setEditingTag(undefined);
+      setNewTag(undefined);
     } else if (editingTag != null) {
       if (editingTagVal !== existingTags[editingTag]) {
-        onTagChange(editingTag, editingTagVal);
-        setEditingTag();
+        invariant(editingTag != null);
+        invariant(editingTagVal != null);
+        onTagsChange({ [editingTag]: editingTagVal });
+        setEditingTag(undefined);
       } else { // If not actually changed, no need to update
         onResetClick();
       }
     } else {
       setEditingTag(tag);
-      setEditingTagVal(mergedTags[tag]);
+      setEditingTagVal(tag && String(mergedTags[tag]));
     }
-  }, [editingTag, editingTagVal, existingTags, mergedTags, newTag, onResetClick, onTagChange, setEditingTag]);
+  }, [editingTag, editingTagVal, existingTags, mergedTags, newTag, onResetClick, onTagsChange, setEditingTag]);
 
   function onSubmit(e) {
     e.preventDefault();
@@ -69,7 +93,7 @@ function TagEditor({ existingTags = emptyObject, customTags = emptyObject, editi
 
   return (
     <>
-      <table style={{ color: 'black' }}>
+      <table style={{ color: 'black', marginBottom: 10 }}>
         <tbody>
           {Object.keys(mergedTags).map((tag) => {
             const editingThis = tag === editingTag;
@@ -87,7 +111,7 @@ function TagEditor({ existingTags = emptyObject, customTags = emptyObject, editi
                       <TextInput ref={ref} placeholder={t('Enter value')} value={editingTagVal || ''} onChange={(e) => setEditingTagVal(e.target.value)} />
                     </form>
                   ) : (
-                    <span style={{ padding: '.5em 0', color: thisTagCustom ? activeColor : undefined, fontWeight: thisTagCustom ? 'bold' : undefined }}>{mergedTags[tag] || `<${t('empty')}>`}</span>
+                    <span style={{ padding: '.5em 0', color: thisTagCustom ? activeColor : undefined, fontWeight: thisTagCustom ? 'bold' : undefined }}>{mergedTags[tag] ? String(mergedTags[tag]) : `<${t('empty')}>`}</span>
                   )}
                   {(editingTag == null || editingThis) && <IconButton icon={Icon} title={t('Edit')} appearance="minimal" style={{ marginLeft: '.4em' }} onClick={() => onEditClick(tag)} intent={editingThis ? 'success' : 'none'} />}
                   {editingThis && <IconButton icon={TrashIcon} title={thisTagCustom ? t('Delete') : t('Reset')} appearance="minimal" onClick={onResetClick} intent="danger" />}
@@ -98,7 +122,14 @@ function TagEditor({ existingTags = emptyObject, customTags = emptyObject, editi
         </tbody>
       </table>
 
-      <Button style={{ marginTop: 10 }} iconBefore={PlusIcon} onClick={onAddPress}>{addTagTitle}</Button>
+      <Button iconBefore={PlusIcon} onClick={onAddPress}>{addTagTitle}</Button>
+
+      <div style={{ marginTop: '1em' }}>
+        <span style={{ marginRight: '1em' }}>{t('Batch')}:</span>
+        <CopyClipboardButton text={JSON.stringify(mergedTags)} style={{ marginRight: '.3em', verticalAlign: 'middle' }} />
+
+        <Button appearance="minimal" onClick={onPasteClick}>{t('Paste')}</Button>
+      </div>
     </>
   );
 }
diff --git a/src/renderer/src/dialogs/index.tsx b/src/renderer/src/dialogs/index.tsx
index 0001f809..8a727420 100644
--- a/src/renderer/src/dialogs/index.tsx
+++ b/src/renderer/src/dialogs/index.tsx
@@ -339,8 +339,8 @@ export async function askForAlignSegments() {
   };
 }
 
-export async function askForMetadataKey({ title, text }) {
-  const { value } = await Swal.fire({
+export async function askForMetadataKey({ title, text }: { title: string, text: string }) {
+  const { value } = await Swal.fire<string>({
     title,
     text,
     input: 'text',
@@ -352,7 +352,7 @@ export async function askForMetadataKey({ title, text }) {
 }
 
 export async function confirmExtractAllStreamsDialog() {
-  const { value } = await Swal.fire({
+  const { value } = await Swal.fire<string>({
     text: i18n.t('Please confirm that you want to extract all tracks as separate files'),
     showCancelButton: true,
     confirmButtonText: i18n.t('Extract all tracks'),
diff --git a/src/renderer/src/swal.ts b/src/renderer/src/swal.ts
index 2c2c9fcc..08ebe0a9 100644
--- a/src/renderer/src/swal.ts
+++ b/src/renderer/src/swal.ts
@@ -49,7 +49,7 @@ export const swalToastOptions: SweetAlertOptions = {
 
 export const toast = Swal.mixin(swalToastOptions);
 
-export const errorToast = (text) => toast.fire({
+export const errorToast = (text: string) => toast.fire({
   icon: 'error',
   text,
 });
diff --git a/src/renderer/src/types.ts b/src/renderer/src/types.ts
index 9f27e230..d9b9561e 100644
--- a/src/renderer/src/types.ts
+++ b/src/renderer/src/types.ts
@@ -1,4 +1,5 @@
 import type { MenuItem, MenuItemConstructorOptions } from 'electron';
+import { z } from 'zod';
 
 
 export interface ChromiumHTMLVideoElement extends HTMLVideoElement {
@@ -23,8 +24,9 @@ export interface ApparentSegmentBase extends SegmentColorIndex {
   end: number,
 }
 
+export const segmentTagsSchema = z.record(z.string(), z.string());
 
-export type SegmentTags = Record<string, unknown>;
+export type SegmentTags = z.infer<typeof segmentTagsSchema>
 
 export type EditingSegmentTags = Record<string, SegmentTags>
 
diff --git a/yarn.lock b/yarn.lock
index 954dd0a2..d416776b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7996,6 +7996,7 @@ __metadata:
     vitest: "npm:^1.2.2"
     winston: "npm:^3.8.1"
     yargs-parser: "npm:^21.1.1"
+    zod: "npm:^3.22.5"
   languageName: unknown
   linkType: soft
 
@@ -12397,3 +12398,10 @@ __metadata:
   checksum: 2cac84540f65c64ccc1683c267edce396b26b1e931aa429660aefac8fbe0188167b7aee815a3c22fa59a28a58d898d1a2b1825048f834d8d629f4c2a5d443801
   languageName: node
   linkType: hard
+
+"zod@npm:^3.22.5":
+  version: 3.22.5
+  resolution: "zod@npm:3.22.5"
+  checksum: a60c1b55c4cc824a5d0432ee29d93b087b5d8a1bd2d0f4cd6e7ffe5b602da9cab2f2c27b1ae6c96d88d9f778cc933cead70e08b7944a98893576c61dca5e0c74
+  languageName: node
+  linkType: hard