diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c0de0c8..6997aadc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,10 @@ remove_on_failure = 31536000
 remove_on_complete = 31536000
 # Time in seconds to remove failed jobs
 remove_on_failure = 31536000
+
+[validation]
+max_emoji_size = 1000000
+max_emoji_description_size = 1000
 ```
 
 ### Configuration Changes
diff --git a/api/api/v1/emojis/:id/index.ts b/api/api/v1/emojis/:id/index.ts
index b7a35e64..0317e708 100644
--- a/api/api/v1/emojis/:id/index.ts
+++ b/api/api/v1/emojis/:id/index.ts
@@ -44,9 +44,19 @@ export const schemas = {
                 .min(1)
                 .max(2000)
                 .url()
-                .or(z.instanceof(File)),
+                .or(
+                    z
+                        .instanceof(File)
+                        .refine(
+                            (v) => v.size <= config.validation.max_emoji_size,
+                            `Emoji must be less than ${config.validation.max_emoji_size} bytes`,
+                        ),
+                ),
             category: z.string().max(64).optional(),
-            alt: z.string().max(1000).optional(),
+            alt: z
+                .string()
+                .max(config.validation.max_emoji_description_size)
+                .optional(),
             global: z
                 .string()
                 .transform((v) => ["true", "1", "on"].includes(v.toLowerCase()))
diff --git a/api/api/v1/emojis/index.ts b/api/api/v1/emojis/index.ts
index 4ca850be..8f956b4e 100644
--- a/api/api/v1/emojis/index.ts
+++ b/api/api/v1/emojis/index.ts
@@ -40,9 +40,19 @@ export const schemas = {
             .min(1)
             .max(2000)
             .url()
-            .or(z.instanceof(File)),
+            .or(
+                z
+                    .instanceof(File)
+                    .refine(
+                        (v) => v.size <= config.validation.max_emoji_size,
+                        `Emoji must be less than ${config.validation.max_emoji_size} bytes`,
+                    ),
+            ),
         category: z.string().max(64).optional(),
-        alt: z.string().max(1000).optional(),
+        alt: z
+            .string()
+            .max(config.validation.max_emoji_description_size)
+            .optional(),
         global: z
             .string()
             .transform((v) => ["true", "1", "on"].includes(v.toLowerCase()))
diff --git a/config/config.example.toml b/config/config.example.toml
index 5009212f..c4329abe 100644
--- a/config/config.example.toml
+++ b/config/config.example.toml
@@ -164,6 +164,8 @@ max_header_size = 5_000_000
 max_media_size = 40_000_000
 max_media_attachments = 10
 max_media_description_size = 1000
+max_emoji_size = 1000000
+max_emoji_description_size = 1000
 max_poll_options = 20
 max_poll_option_size = 500
 min_poll_duration = 60            # Seconds
diff --git a/config/config.schema.json b/config/config.schema.json
index b1d2f2cb..f985000c 100644
--- a/config/config.schema.json
+++ b/config/config.schema.json
@@ -530,6 +530,14 @@
                     "type": "integer",
                     "default": 1000
                 },
+                "max_emoji_size": {
+                    "type": "integer",
+                    "default": 1000000
+                },
+                "max_emoji_description_size": {
+                    "type": "integer",
+                    "default": 1000
+                },
                 "max_poll_options": {
                     "type": "integer",
                     "default": 20
@@ -1864,6 +1872,8 @@
                 "max_media_size": 40000000,
                 "max_media_attachments": 10,
                 "max_media_description_size": 1000,
+                "max_emoji_size": 1000000,
+                "max_emoji_description_size": 1000,
                 "max_poll_options": 20,
                 "max_poll_option_size": 500,
                 "min_poll_duration": 60,
diff --git a/packages/config-manager/config.type.ts b/packages/config-manager/config.type.ts
index 25a40c03..92247a6b 100644
--- a/packages/config-manager/config.type.ts
+++ b/packages/config-manager/config.type.ts
@@ -294,6 +294,8 @@ export const configValidator = z
                 max_media_size: z.number().int().default(40000000),
                 max_media_attachments: z.number().int().default(10),
                 max_media_description_size: z.number().int().default(1000),
+                max_emoji_size: z.number().int().default(1000000),
+                max_emoji_description_size: z.number().int().default(1000),
                 max_poll_options: z.number().int().default(20),
                 max_poll_option_size: z.number().int().default(500),
                 min_poll_duration: z.number().int().default(60),
@@ -383,6 +385,8 @@ export const configValidator = z
                 max_media_size: 40000000,
                 max_media_attachments: 10,
                 max_media_description_size: 1000,
+                max_emoji_size: 1000000,
+                max_emoji_description_size: 1000,
                 max_poll_options: 20,
                 max_poll_option_size: 500,
                 min_poll_duration: 60,