diff --git a/CHANGELOG.md b/CHANGELOG.md
index 954c05e..c01fe3b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Added `prune-remote-emojis` command.
 - Prune remote emojis in background.
+- Added `limits.media.emoji_size_limit` configuration parameter.
 
 ### Changed
 
diff --git a/mitra-cli/src/cli.rs b/mitra-cli/src/cli.rs
index 89cba99..5a63bfc 100644
--- a/mitra-cli/src/cli.rs
+++ b/mitra-cli/src/cli.rs
@@ -14,7 +14,11 @@ use mitra::ethereum::{
     sync::save_current_block_number,
     utils::key_to_ethereum_address,
 };
-use mitra::media::{remove_files, remove_media};
+use mitra::media::{
+    remove_files,
+    remove_media,
+    MediaStorage,
+};
 use mitra::models::{
     attachments::queries::delete_unused_attachments,
     cleanup::find_orphaned_files,
@@ -230,7 +234,7 @@ impl RefetchActor {
         update_remote_profile(
             db_client,
             &config.instance(),
-            &config.media_dir(),
+            &MediaStorage::from(config),
             profile,
             actor,
         ).await?;
diff --git a/mitra-config/src/limits.rs b/mitra-config/src/limits.rs
index 2fcfe5e..fee4e8e 100644
--- a/mitra-config/src/limits.rs
+++ b/mitra-config/src/limits.rs
@@ -38,6 +38,7 @@ fn deserialize_file_size<'de, D>(
 }
 
 const fn default_file_size_limit() -> usize { 20_000_000 } // 20 MB
+const fn default_emoji_size_limit() -> usize { 500_000 } // 500 kB
 
 #[derive(Clone, Deserialize)]
 pub struct MediaLimits {
@@ -46,12 +47,19 @@ pub struct MediaLimits {
         deserialize_with = "deserialize_file_size",
     )]
     pub file_size_limit: usize,
+
+    #[serde(
+        default = "default_emoji_size_limit",
+        deserialize_with = "deserialize_file_size",
+    )]
+    pub emoji_size_limit: usize,
 }
 
 impl Default for MediaLimits {
     fn default() -> Self {
         Self {
             file_size_limit: default_file_size_limit(),
+            emoji_size_limit: default_emoji_size_limit(),
         }
     }
 }
diff --git a/src/activitypub/actors/helpers.rs b/src/activitypub/actors/helpers.rs
index 92e3a86..09b86f9 100644
--- a/src/activitypub/actors/helpers.rs
+++ b/src/activitypub/actors/helpers.rs
@@ -12,6 +12,7 @@ use crate::activitypub::{
     vocabulary::{EMOJI, HASHTAG},
 };
 use crate::database::DatabaseClient;
+use crate::media::MediaStorage;
 use crate::models::{
     profiles::queries::{create_profile, update_profile},
     profiles::types::{
@@ -104,7 +105,7 @@ fn parse_aliases(actor: &Actor) -> Vec<String> {
 async fn parse_tags(
     db_client: &impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     actor: &Actor,
 ) -> Result<Vec<Uuid>, HandlerError> {
     let mut emojis = vec![];
@@ -118,7 +119,7 @@ async fn parse_tags(
             match handle_emoji(
                 db_client,
                 instance,
-                media_dir,
+                storage,
                 tag_value,
             ).await? {
                 Some(emoji) => {
@@ -138,7 +139,7 @@ async fn parse_tags(
 pub async fn create_remote_profile(
     db_client: &mut impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     actor: Actor,
 ) -> Result<DbActorProfile, HandlerError> {
     let actor_address = actor.address()?;
@@ -148,7 +149,7 @@ pub async fn create_remote_profile(
     let (maybe_avatar, maybe_banner) = fetch_actor_images(
         instance,
         &actor,
-        media_dir,
+        &storage.media_dir,
         None,
         None,
     ).await;
@@ -158,7 +159,7 @@ pub async fn create_remote_profile(
     let emojis = parse_tags(
         db_client,
         instance,
-        media_dir,
+        storage,
         &actor,
     ).await?;
     let mut profile_data = ProfileCreateData {
@@ -185,7 +186,7 @@ pub async fn create_remote_profile(
 pub async fn update_remote_profile(
     db_client: &mut impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     profile: DbActorProfile,
     actor: Actor,
 ) -> Result<DbActorProfile, HandlerError> {
@@ -207,7 +208,7 @@ pub async fn update_remote_profile(
     let (maybe_avatar, maybe_banner) = fetch_actor_images(
         instance,
         &actor,
-        media_dir,
+        &storage.media_dir,
         profile.avatar,
         profile.banner,
     ).await;
@@ -217,7 +218,7 @@ pub async fn update_remote_profile(
     let emojis = parse_tags(
         db_client,
         instance,
-        media_dir,
+        storage,
         &actor,
     ).await?;
     let mut profile_data = ProfileUpdateData {
diff --git a/src/activitypub/authentication.rs b/src/activitypub/authentication.rs
index 5e0ac8d..73cf0ad 100644
--- a/src/activitypub/authentication.rs
+++ b/src/activitypub/authentication.rs
@@ -24,6 +24,7 @@ use crate::json_signatures::{
         JsonSigner,
     },
 };
+use crate::media::MediaStorage;
 use crate::models::{
     profiles::queries::get_profile_by_remote_actor_id,
     profiles::types::DbActorProfile,
@@ -89,7 +90,7 @@ async fn get_signer(
         match get_or_import_profile_by_actor_id(
             db_client,
             &config.instance(),
-            &config.media_dir(),
+            &MediaStorage::from(config),
             signer_id,
         ).await {
             Ok(profile) => profile,
diff --git a/src/activitypub/fetcher/helpers.rs b/src/activitypub/fetcher/helpers.rs
index 824f70e..20f9d0f 100644
--- a/src/activitypub/fetcher/helpers.rs
+++ b/src/activitypub/fetcher/helpers.rs
@@ -1,5 +1,4 @@
 use std::collections::HashMap;
-use std::path::Path;
 
 use mitra_config::{Config, Instance};
 
@@ -12,6 +11,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     posts::helpers::get_local_post_by_id,
     posts::queries::get_post_by_remote_object_id,
@@ -33,7 +33,7 @@ use super::fetchers::{
 pub async fn get_or_import_profile_by_actor_id(
     db_client: &mut impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     actor_id: &str,
 ) -> Result<DbActorProfile, HandlerError> {
     if actor_id.starts_with(&instance.url()) {
@@ -52,7 +52,7 @@ pub async fn get_or_import_profile_by_actor_id(
                         let profile_updated = update_remote_profile(
                             db_client,
                             instance,
-                            media_dir,
+                            storage,
                             profile,
                             actor,
                         ).await?;
@@ -81,7 +81,7 @@ pub async fn get_or_import_profile_by_actor_id(
                     let profile_updated = update_remote_profile(
                         db_client,
                         instance,
-                        media_dir,
+                        storage,
                         profile,
                         actor,
                     ).await?;
@@ -92,7 +92,7 @@ pub async fn get_or_import_profile_by_actor_id(
                     let profile = create_remote_profile(
                         db_client,
                         instance,
-                        media_dir,
+                        storage,
                         actor,
                     ).await?;
                     profile
@@ -109,7 +109,7 @@ pub async fn get_or_import_profile_by_actor_id(
 pub async fn import_profile_by_actor_address(
     db_client: &mut impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     actor_address: &ActorAddress,
 ) -> Result<DbActorProfile, HandlerError> {
     if actor_address.hostname == instance.hostname() {
@@ -130,7 +130,7 @@ pub async fn import_profile_by_actor_address(
     let profile = create_remote_profile(
         db_client,
         instance,
-        media_dir,
+        storage,
         actor,
     ).await?;
     Ok(profile)
@@ -140,7 +140,7 @@ pub async fn import_profile_by_actor_address(
 pub async fn get_or_import_profile_by_actor_address(
     db_client: &mut impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     actor_address: &ActorAddress,
 ) -> Result<DbActorProfile, HandlerError> {
     let acct = actor_address.acct(&instance.hostname());
@@ -156,7 +156,7 @@ pub async fn get_or_import_profile_by_actor_address(
             import_profile_by_actor_address(
                 db_client,
                 instance,
-                media_dir,
+                storage,
                 actor_address,
             ).await?
         },
diff --git a/src/activitypub/handlers/announce.rs b/src/activitypub/handlers/announce.rs
index 239be0e..a3098ec 100644
--- a/src/activitypub/handlers/announce.rs
+++ b/src/activitypub/handlers/announce.rs
@@ -11,6 +11,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     posts::queries::{
         create_post,
@@ -54,7 +55,7 @@ pub async fn handle_announce(
     let author = get_or_import_profile_by_actor_id(
         db_client,
         &config.instance(),
-        &config.media_dir(),
+        &MediaStorage::from(config),
         &activity.actor,
     ).await?;
     let post_id = match parse_local_object_id(
diff --git a/src/activitypub/handlers/create.rs b/src/activitypub/handlers/create.rs
index 2123fc5..6d0e54e 100644
--- a/src/activitypub/handlers/create.rs
+++ b/src/activitypub/handlers/create.rs
@@ -1,5 +1,4 @@
 use std::collections::HashMap;
-use std::path::Path;
 
 use chrono::Utc;
 use serde_json::{Value as JsonValue};
@@ -27,6 +26,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     attachments::queries::create_attachment,
     emojis::queries::{
@@ -45,7 +45,6 @@ use crate::models::{
 use crate::validators::{
     emojis::{
         validate_emoji_name,
-        EMOJI_MAX_SIZE,
         EMOJI_MEDIA_TYPES,
     },
     posts::{
@@ -242,7 +241,7 @@ pub fn get_object_links(
 pub async fn handle_emoji(
     db_client: &impl DatabaseClient,
     instance: &Instance,
-    media_dir: &Path,
+    storage: &MediaStorage,
     tag_value: JsonValue,
 ) -> Result<Option<DbEmoji>, HandlerError> {
     let tag: EmojiTag = match serde_json::from_value(tag_value) {
@@ -279,8 +278,8 @@ pub async fn handle_emoji(
         instance,
         &tag.icon.url,
         tag.icon.media_type.as_deref(),
-        EMOJI_MAX_SIZE,
-        media_dir,
+        storage.emoji_size_limit,
+        &storage.media_dir,
     ).await {
         Ok(file) => file,
         Err(error) => {
@@ -338,7 +337,7 @@ pub async fn get_object_tags(
     redirects: &HashMap<String, String>,
 ) -> Result<(Vec<Uuid>, Vec<String>, Vec<Uuid>, Vec<Uuid>), HandlerError> {
     let instance = config.instance();
-    let media_dir = config.media_dir();
+    let storage = MediaStorage::from(config);
     let mut mentions = vec![];
     let mut hashtags = vec![];
     let mut links = vec![];
@@ -383,7 +382,7 @@ pub async fn get_object_tags(
                 match get_or_import_profile_by_actor_id(
                     db_client,
                     &instance,
-                    &media_dir,
+                    &storage,
                     &href,
                 ).await {
                     Ok(profile) => {
@@ -413,7 +412,7 @@ pub async fn get_object_tags(
                 let profile = match get_or_import_profile_by_actor_address(
                     db_client,
                     &instance,
-                    &media_dir,
+                    &storage,
                     &actor_address,
                 ).await {
                     Ok(profile) => profile,
@@ -469,7 +468,7 @@ pub async fn get_object_tags(
             match handle_emoji(
                 db_client,
                 &instance,
-                &media_dir,
+                &storage,
                 tag_value,
             ).await? {
                 Some(emoji) => {
@@ -534,7 +533,7 @@ pub async fn handle_note(
     redirects: &HashMap<String, String>,
 ) -> Result<Post, HandlerError> {
     let instance = config.instance();
-    let media_dir = config.media_dir();
+    let storage = MediaStorage::from(config);
     match object.object_type.as_str() {
         NOTE => (),
         ARTICLE | EVENT | QUESTION | PAGE | VIDEO => {
@@ -550,7 +549,7 @@ pub async fn handle_note(
     let author = get_or_import_profile_by_actor_id(
         db_client,
         &instance,
-        &media_dir,
+        &storage,
         &author_id,
     ).await.map_err(|err| {
         log::warn!("failed to import {} ({})", author_id, err);
diff --git a/src/activitypub/handlers/follow.rs b/src/activitypub/handlers/follow.rs
index f5aa3c5..e8198d7 100644
--- a/src/activitypub/handlers/follow.rs
+++ b/src/activitypub/handlers/follow.rs
@@ -12,6 +12,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     relationships::queries::{
         create_remote_follow_request_opt,
@@ -40,7 +41,7 @@ pub async fn handle_follow(
     let source_profile = get_or_import_profile_by_actor_id(
         db_client,
         &config.instance(),
-        &config.media_dir(),
+        &MediaStorage::from(config),
         &activity.actor,
     ).await?;
     let source_actor = source_profile.actor_json
diff --git a/src/activitypub/handlers/like.rs b/src/activitypub/handlers/like.rs
index deadc0b..af6955a 100644
--- a/src/activitypub/handlers/like.rs
+++ b/src/activitypub/handlers/like.rs
@@ -13,6 +13,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     reactions::queries::create_reaction,
 };
@@ -36,7 +37,7 @@ pub async fn handle_like(
     let author = get_or_import_profile_by_actor_id(
         db_client,
         &config.instance(),
-        &config.media_dir(),
+        &MediaStorage::from(config),
         &activity.actor,
     ).await?;
     let post_id = match get_post_by_object_id(
diff --git a/src/activitypub/handlers/move.rs b/src/activitypub/handlers/move.rs
index 2184cbf..5731501 100644
--- a/src/activitypub/handlers/move.rs
+++ b/src/activitypub/handlers/move.rs
@@ -15,6 +15,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     notifications::queries::create_move_notification,
     profiles::helpers::find_aliases,
@@ -49,7 +50,7 @@ pub async fn handle_move(
     };
 
     let instance = config.instance();
-    let media_dir = config.media_dir();
+    let storage = MediaStorage::from(config);
     let old_profile = if let Ok(username) = parse_local_actor_id(
         &instance.url(),
         &activity.object,
@@ -60,7 +61,7 @@ pub async fn handle_move(
         get_or_import_profile_by_actor_id(
             db_client,
             &instance,
-            &media_dir,
+            &storage,
             &activity.object,
         ).await?
     };
@@ -68,7 +69,7 @@ pub async fn handle_move(
     let new_profile = get_or_import_profile_by_actor_id(
         db_client,
         &instance,
-        &media_dir,
+        &storage,
         &activity.target,
     ).await?;
     let new_actor = new_profile.actor_json.as_ref()
diff --git a/src/activitypub/handlers/update.rs b/src/activitypub/handlers/update.rs
index 7e8431f..ec9a775 100644
--- a/src/activitypub/handlers/update.rs
+++ b/src/activitypub/handlers/update.rs
@@ -23,6 +23,7 @@ use crate::activitypub::{
 };
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
+use crate::media::MediaStorage;
 use crate::models::{
     posts::queries::{
         get_post_by_remote_object_id,
@@ -110,7 +111,7 @@ async fn handle_update_person(
     update_remote_profile(
         db_client,
         &config.instance(),
-        &config.media_dir(),
+        &MediaStorage::from(config),
         profile,
         activity.object,
     ).await?;
diff --git a/src/mastodon_api/search/helpers.rs b/src/mastodon_api/search/helpers.rs
index 957c3c4..21f6e70 100644
--- a/src/mastodon_api/search/helpers.rs
+++ b/src/mastodon_api/search/helpers.rs
@@ -21,6 +21,7 @@ use crate::activitypub::{
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
 use crate::ethereum::utils::validate_ethereum_address;
+use crate::media::MediaStorage;
 use crate::models::{
     posts::{
         helpers::{can_view_post, get_local_post_by_id},
@@ -124,7 +125,7 @@ async fn search_profiles_or_import(
             match import_profile_by_actor_address(
                 db_client,
                 &config.instance(),
-                &config.media_dir(),
+                &MediaStorage::from(config),
                 &actor_address,
             ).await {
                 Ok(profile) => {
@@ -204,7 +205,7 @@ async fn find_profile_by_url(
             get_or_import_profile_by_actor_id(
                 db_client,
                 &config.instance(),
-                &config.media_dir(),
+                &MediaStorage::from(config),
                 url,
             ).await
                 .map_err(|err| log::warn!("{}", err))
diff --git a/src/mastodon_api/settings/helpers.rs b/src/mastodon_api/settings/helpers.rs
index a224d03..0cb6371 100644
--- a/src/mastodon_api/settings/helpers.rs
+++ b/src/mastodon_api/settings/helpers.rs
@@ -18,6 +18,7 @@ use crate::database::{
 };
 use crate::errors::ValidationError;
 use crate::mastodon_api::accounts::helpers::follow_or_create_request;
+use crate::media::MediaStorage;
 use crate::models::{
     profiles::types::DbActorProfile,
     relationships::queries::{
@@ -88,11 +89,12 @@ pub async fn import_follows_task(
     address_list: Vec<ActorAddress>,
 ) -> Result<(), anyhow::Error> {
     let db_client = &mut **get_database_client(db_pool).await?;
+    let storage = MediaStorage::from(config);
     for actor_address in address_list {
         let profile = match get_or_import_profile_by_actor_address(
             db_client,
             &config.instance(),
-            &config.media_dir(),
+            &storage,
             &actor_address,
         ).await {
             Ok(profile) => profile,
@@ -129,12 +131,13 @@ pub async fn move_followers_task(
 ) -> Result<(), anyhow::Error> {
     let db_client = &mut **get_database_client(db_pool).await?;
     let instance = config.instance();
+    let storage = MediaStorage::from(config);
     let mut remote_followers = vec![];
     for follower_address in address_list {
         let follower = match get_or_import_profile_by_actor_address(
             db_client,
             &instance,
-            &config.media_dir(),
+            &storage,
             &follower_address,
         ).await {
             Ok(profile) => profile,
diff --git a/src/media.rs b/src/media.rs
index 7acca35..37e1c76 100644
--- a/src/media.rs
+++ b/src/media.rs
@@ -1,6 +1,6 @@
 use std::fs::remove_file;
 use std::io::Error;
-use std::path::Path;
+use std::path::{Path, PathBuf};
 
 use sha2::{Digest, Sha256};
 
@@ -87,6 +87,20 @@ pub async fn remove_media(
     }
 }
 
+pub struct MediaStorage {
+    pub media_dir: PathBuf,
+    pub emoji_size_limit: usize,
+}
+
+impl From<&Config> for MediaStorage {
+    fn from(config: &Config) -> Self {
+        Self {
+            media_dir: config.media_dir(),
+            emoji_size_limit: config.limits.media.emoji_size_limit,
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use mitra_utils::files::sniff_media_type;