diff --git a/src/app/admin/tags/[tag]/edit/page.tsx b/src/app/admin/tags/[tag]/edit/page.tsx
index ed45870a..2cfb7f5e 100644
--- a/src/app/admin/tags/[tag]/edit/page.tsx
+++ b/src/app/admin/tags/[tag]/edit/page.tsx
@@ -15,7 +15,11 @@ interface Props {
   params: { tag: string }
 }
 
-export default async function PhotoPageEdit({ params: { tag } }: Props) {
+export default async function PhotoPageEdit({
+  params: { tag: tagFromParams } }: Props
+) {
+  const tag = decodeURIComponent(tagFromParams);
+  
   const [
     count,
     photos,
diff --git a/src/app/tag/[tag]/page.tsx b/src/app/tag/[tag]/page.tsx
index b006195d..bdb72d70 100644
--- a/src/app/tag/[tag]/page.tsx
+++ b/src/app/tag/[tag]/page.tsx
@@ -6,15 +6,17 @@ import {
   getPhotosTagDataCached,
   getPhotosTagDataCachedWithPagination,
 } from '@/tag/data';
-import { Metadata } from 'next/types';
+import type { Metadata } from 'next';
 
 interface TagProps {
   params: { tag: string }
 }
 
 export async function generateMetadata({
-  params: { tag },
+  params: { tag: tagFromParams },
 }: TagProps): Promise<Metadata> {
+  const tag = decodeURIComponent(tagFromParams);
+
   const [
     photos,
     count,
@@ -49,9 +51,11 @@ export async function generateMetadata({
 }
 
 export default async function TagPage({
-  params: { tag },
+  params: { tag: tagFromParams },
   searchParams,
 }:TagProps & PaginationParams) {
+  const tag = decodeURIComponent(tagFromParams);
+
   const {
     photos,
     count,
diff --git a/src/app/tag/[tag]/share/page.tsx b/src/app/tag/[tag]/share/page.tsx
index 603b9cef..7b6085ca 100644
--- a/src/app/tag/[tag]/share/page.tsx
+++ b/src/app/tag/[tag]/share/page.tsx
@@ -7,15 +7,17 @@ import {
   getPhotosTagDataCached,
   getPhotosTagDataCachedWithPagination,
 } from '@/tag/data';
-import { Metadata } from 'next/types';
+import type { Metadata } from 'next';
 
 interface TagProps {
   params: { tag: string }
 }
 
 export async function generateMetadata({
-  params: { tag },
+  params: { tag: tagFromParams },
 }: TagProps): Promise<Metadata> {
+  const tag = decodeURIComponent(tagFromParams);
+
   const [
     photos,
     count,
@@ -50,9 +52,11 @@ export async function generateMetadata({
 }
 
 export default async function Share({
-  params: { tag },
+  params: { tag: tagFromParams },
   searchParams,
 }: TagProps & PaginationParams) {
+  const tag = decodeURIComponent(tagFromParams);
+  
   const {
     photos,
     count,
diff --git a/src/camera/CameraOverview.tsx b/src/camera/CameraOverview.tsx
index 8128747d..0c058030 100644
--- a/src/camera/CameraOverview.tsx
+++ b/src/camera/CameraOverview.tsx
@@ -16,7 +16,7 @@ export default function CameraOverview({
   camera: Camera,
   photos: Photo[],
   count: number,
-  dateRange: PhotoDateRange,
+  dateRange?: PhotoDateRange,
   showMorePath?: string,
   animateOnFirstLoadOnly?: boolean,
 }) {
diff --git a/src/camera/CameraShareModal.tsx b/src/camera/CameraShareModal.tsx
index 1dd33484..0bdb0884 100644
--- a/src/camera/CameraShareModal.tsx
+++ b/src/camera/CameraShareModal.tsx
@@ -13,7 +13,7 @@ export default function CameraShareModal({
   camera: Camera
   photos: Photo[]
   count: number
-  dateRange: PhotoDateRange,
+  dateRange?: PhotoDateRange,
 }) {
   return (
     <ShareModal
diff --git a/src/camera/index.ts b/src/camera/index.ts
index c89b4673..8b609f9b 100644
--- a/src/camera/index.ts
+++ b/src/camera/index.ts
@@ -17,7 +17,7 @@ export type CameraWithCount = {
 export type Cameras = CameraWithCount[];
 
 export const createCameraKey = ({ make, model }: Camera) =>
-  parameterize(`${make}-${model}`);
+  parameterize(`${make}-${model}`, true);
 
 // Assumes no makes ('Fujifilm,' 'Apple,' 'Canon', etc.) have dashes
 export const getCameraFromKey = (cameraKey: string): Camera => {
diff --git a/src/components/TagInput.tsx b/src/components/TagInput.tsx
index b5f6bc1d..92cfc680 100644
--- a/src/components/TagInput.tsx
+++ b/src/components/TagInput.tsx
@@ -72,11 +72,11 @@ export default function TagInput({
       onChange?.([
         ...selectedOptions,
         option.startsWith(CREATE_LABEL)
-          ? option.slice(CREATE_LABEL.length, -1)
+          ? option.match(new RegExp(`^${CREATE_LABEL} "(.+)"$`))?.[1] ?? option
           : option,
       ]
         .filter(Boolean)
-        .map(parameterize)
+        .map(item => parameterize(item))
         .join(','));
     }
     setSelectedOptionIndex(undefined);
diff --git a/src/photo/actions.ts b/src/photo/actions.ts
index a7aaba88..3a2c42cf 100644
--- a/src/photo/actions.ts
+++ b/src/photo/actions.ts
@@ -22,6 +22,7 @@ import {
   revalidateAdminPaths,
   revalidateAllKeysAndPaths,
   revalidatePhotosKey,
+  revalidateTagsKey,
 } from '@/photo/cache';
 import { PATH_ADMIN_PHOTOS, PATH_ADMIN_TAGS, PATH_ROOT } from '@/site/paths';
 import { extractExifDataFromBlobPath } from './server';
@@ -105,6 +106,7 @@ export async function renamePhotoTagGloballyAction(formData: FormData) {
   if (tag && updatedTag && tag !== updatedTag) {
     await sqlRenamePhotoTagGlobally(tag, updatedTag);
     revalidatePhotosKey();
+    revalidateTagsKey();
     redirect(PATH_ADMIN_TAGS);
   }
 }
diff --git a/src/services/vercel-postgres.ts b/src/services/vercel-postgres.ts
index 7544de0d..c143b52c 100644
--- a/src/services/vercel-postgres.ts
+++ b/src/services/vercel-postgres.ts
@@ -174,8 +174,8 @@ const sqlGetPhotosTagCount = async (tag: string) => sql`
 const sqlGetPhotosCameraCount = async (camera: Camera) => sql`
   SELECT COUNT(*) FROM photos
   WHERE
-  LOWER(make)=${parameterize(camera.make)} AND
-  LOWER(REPLACE(model, ' ', '-'))=${parameterize(camera.model)} AND
+  LOWER(make)=${parameterize(camera.make, true)} AND
+  LOWER(REPLACE(model, ' ', '-'))=${parameterize(camera.model, true)} AND
   hidden IS NOT TRUE
 `.then(({ rows }) => parseInt(rows[0].count, 10));
 
@@ -191,23 +191,29 @@ const sqlGetPhotosDateRange = async () => sql`
   SELECT MIN(taken_at_naive) as start, MAX(taken_at_naive) as end
   FROM photos
   WHERE hidden IS NOT TRUE
-`.then(({ rows }) => rows[0] as PhotoDateRange);
+`.then(({ rows }) => rows[0]?.start && rows[0]?.end
+    ? rows[0] as PhotoDateRange
+    : undefined);
 
 const sqlGetPhotosTagDateRange = async (tag: string) => sql`
   SELECT MIN(taken_at_naive) as start, MAX(taken_at_naive) as end
   FROM photos
   WHERE ${tag}=ANY(tags) AND
   hidden IS NOT TRUE
-`.then(({ rows }) => rows[0] as PhotoDateRange);
+`.then(({ rows }) => rows[0]?.start && rows[0]?.end
+    ? rows[0] as PhotoDateRange
+    : undefined);
 
 const sqlGetPhotosCameraDateRange = async (camera: Camera) => sql`
   SELECT MIN(taken_at_naive) as start, MAX(taken_at_naive) as end
   FROM photos
   WHERE
-  LOWER(make)=${parameterize(camera.make)} AND
-  LOWER(REPLACE(model, ' ', '-'))=${parameterize(camera.model)} AND
+  LOWER(make)=${parameterize(camera.make, true)} AND
+  LOWER(REPLACE(model, ' ', '-'))=${parameterize(camera.model, true)} AND
   hidden IS NOT TRUE
-`.then(({ rows }) => rows[0] as PhotoDateRange);
+`.then(({ rows }) => rows[0]?.start && rows[0]?.end
+    ? rows[0] as PhotoDateRange
+    : undefined);
 
 const sqlGetPhotosFilmSimulationDateRange = async (
   simulation: FilmSimulation,
@@ -216,7 +222,9 @@ const sqlGetPhotosFilmSimulationDateRange = async (
   FROM photos
   WHERE film_simulation=${simulation} AND
   hidden IS NOT TRUE
-`.then(({ rows }) => rows[0] as PhotoDateRange);
+`.then(({ rows }) => rows[0]?.start && rows[0]?.end
+    ? rows[0] as PhotoDateRange
+    : undefined);
 
 const sqlGetUniqueTags = async () => sql`
   SELECT DISTINCT unnest(tags) as tag, COUNT(*)
@@ -349,8 +357,8 @@ export const getPhotos = async (options: GetPhotosOptions = {}) => {
   if (camera) {
     wheres.push(`LOWER(make)=$${valueIndex++}`);
     wheres.push(`LOWER(REPLACE(model, ' ', '-'))=$${valueIndex++}`);
-    values.push(parameterize(camera.make));
-    values.push(parameterize(camera.model));
+    values.push(parameterize(camera.make, true));
+    values.push(parameterize(camera.model, true));
   }
   if (simulation) {
     wheres.push(`film_simulation=$${valueIndex++}`);
diff --git a/src/simulation/FilmSimulationOverview.tsx b/src/simulation/FilmSimulationOverview.tsx
index acb32584..bd1cbb9f 100644
--- a/src/simulation/FilmSimulationOverview.tsx
+++ b/src/simulation/FilmSimulationOverview.tsx
@@ -16,7 +16,7 @@ export default function FilmSimulationOverview({
   simulation: FilmSimulation,
   photos: Photo[],
   count: number,
-  dateRange: PhotoDateRange,
+  dateRange?: PhotoDateRange,
   showMorePath?: string,
   animateOnFirstLoadOnly?: boolean,
 }) {
diff --git a/src/tag/TagOverview.tsx b/src/tag/TagOverview.tsx
index e81111cb..505ef098 100644
--- a/src/tag/TagOverview.tsx
+++ b/src/tag/TagOverview.tsx
@@ -15,7 +15,7 @@ export default function TagOverview({
   tag: string,
   photos: Photo[],
   count: number,
-  dateRange: PhotoDateRange,
+  dateRange?: PhotoDateRange,
   showMorePath?: string,
   animateOnFirstLoadOnly?: boolean,
 }) {
diff --git a/src/utility/string.ts b/src/utility/string.ts
index 64bb94bd..5c597cde 100644
--- a/src/utility/string.ts
+++ b/src/utility/string.ts
@@ -2,9 +2,9 @@ export const convertStringToArray = (
   string?: string,
   shouldParameterize = true,
 ) => string
-  ? string.split(',').map(tag => shouldParameterize
-    ? parameterize(tag)
-    : tag.trim())
+  ? string.split(',').map(item => shouldParameterize
+    ? parameterize(item)
+    : item.trim())
   : undefined;
 
 export const capitalize = (string: string) =>
@@ -16,14 +16,22 @@ export const capitalizeWords = (string = '') =>
     .map(capitalize)
     .join(' ');
 
-export const parameterize = (string: string) =>
+export const parameterize = (
+  string: string,
+  shouldRemoveNonAlphanumeric?: boolean,
+) =>
   string
     .trim()
     // Replaces spaces, underscores, and dashes with dashes
     .replaceAll(/[\s_–—]/gi, '-')
     // Removes all non-alphanumeric characters
-    .replaceAll(/([^a-z0-9-])/gi, '')
-    .toLowerCase();
+    .replaceAll(
+      shouldRemoveNonAlphanumeric
+        ? /([^a-z0-9-])/gi
+        : /''/gi,
+      '',
+    )
+    .toLocaleLowerCase();
 
 export const formatCount = (count: number) => `× ${count}`;