diff --git a/lib/index b/lib/index
index 8f908d7..1cd1695 160000
--- a/lib/index
+++ b/lib/index
@@ -1 +1 @@
-Subproject commit 8f908d7f688bd95fdedd868c5bf8d25a3b500b99
+Subproject commit 1cd1695429b5a313ac357f3f3faba365e425f504
diff --git a/public/profile.php b/public/profile.php
index 29ffb91..5852706 100644
--- a/public/profile.php
+++ b/public/profile.php
@@ -2,6 +2,7 @@
 namespace Misuzu;
 
 use InvalidArgumentException;
+use Index\ByteFormat;
 use Misuzu\Parsers\Parser;
 use Misuzu\Users\User;
 use Misuzu\Users\UserNotFoundException;
@@ -183,7 +184,7 @@ if($isEditing) {
                                     break;
                                 case UPLOAD_ERR_INI_SIZE:
                                 case UPLOAD_ERR_FORM_SIZE:
-                                    $notices[] = sprintf('Your avatar is not allowed to be larger in file size than %s!', byte_symbol($avatarInfo->getMaxBytes(), true));
+                                    $notices[] = sprintf('Your avatar is not allowed to be larger in file size than %s!', ByteFormat::format($avatarInfo->getMaxBytes()));
                                     break;
                                 default:
                                     $notices[] = 'Unable to save your avatar, contact an administator!';
@@ -199,7 +200,7 @@ if($isEditing) {
                             } catch(UserImageAssetInvalidDimensionsException $ex) {
                                 $notices[] = sprintf('Your avatar can\'t be larger than %dx%d!', $avatarInfo->getMaxWidth(), $avatarInfo->getMaxHeight());
                             } catch(UserImageAssetFileTooLargeException $ex) {
-                                $notices[] = sprintf('Your avatar is not allowed to be larger in file size than %s!', byte_symbol($avatarInfo->getMaxBytes(), true));
+                                $notices[] = sprintf('Your avatar is not allowed to be larger in file size than %s!', ByteFormat::format($avatarInfo->getMaxBytes()));
                             } catch(UserImageAssetException $ex) {
                                 $notices[] = 'Unable to save your avatar, contact an administator!';
                             }
@@ -228,7 +229,7 @@ if($isEditing) {
                                         break;
                                     case UPLOAD_ERR_INI_SIZE:
                                     case UPLOAD_ERR_FORM_SIZE:
-                                        $notices[] = sprintf('Your background is not allowed to be larger in file size than %s!', byte_symbol($backgroundProps['max_size'], true));
+                                        $notices[] = sprintf('Your background is not allowed to be larger in file size than %s!', ByteFormat::format($backgroundProps['max_size']));
                                         break;
                                     default:
                                         $notices[] = 'Unable to save your background, contact an administator!';
@@ -244,7 +245,7 @@ if($isEditing) {
                                 } catch(UserImageAssetInvalidDimensionsException $ex) {
                                     $notices[] = sprintf('Your background can\'t be larger than %dx%d!', $backgroundInfo->getMaxWidth(), $backgroundInfo->getMaxHeight());
                                 } catch(UserImageAssetFileTooLargeException $ex) {
-                                    $notices[] = sprintf('Your background is not allowed to be larger in file size than %2$s!', byte_symbol($backgroundInfo->getMaxBytes(), true));
+                                    $notices[] = sprintf('Your background is not allowed to be larger in file size than %2$s!', ByteFormat::format($backgroundInfo->getMaxBytes()));
                                 } catch(UserImageAssetException $ex) {
                                     $notices[] = 'Unable to save your background, contact an administator!';
                                 }
diff --git a/src/TwigMisuzu.php b/src/TwigMisuzu.php
index af77cd2..ce69db3 100644
--- a/src/TwigMisuzu.php
+++ b/src/TwigMisuzu.php
@@ -7,6 +7,7 @@ use Twig\TwigFunction;
 use Twig\Environment as TwigEnvironment;
 use Misuzu\Parsers\Parser;
 use Misuzu\MisuzuContext;
+use Index\ByteFormat;
 use Index\Environment;
 
 final class TwigMisuzu extends AbstractExtension {
@@ -20,7 +21,6 @@ final class TwigMisuzu extends AbstractExtension {
         return [
             new TwigFilter('html_colour', 'html_colour'),
             new TwigFilter('country_name', 'get_country_name'),
-            new TwigFilter('byte_symbol', 'byte_symbol'),
             new TwigFilter('parse_text', fn(string $text, int $parser): string => Parser::instance($parser)->parseText($text)),
             new TwigFilter('perms_check', 'perms_check'),
             new TwigFilter('time_diff', [$this, 'timeDiff'], ['needs_environment' => true]),
@@ -40,6 +40,7 @@ final class TwigMisuzu extends AbstractExtension {
             new TwigFunction('startup_time', fn(float $time = MSZ_STARTUP) => microtime(true) - $time),
             new TwigFunction('sql_query_count', fn() => DB::queries() + $this->ctx->getDbQueryCount()),
             new TwigFunction('ndx_version', fn() => Environment::getIndexVersion()),
+            new TwigFunction('byte_symbol', fn($bytes, $decimal = ByteFormat::DECIMAL_DEFAULT) => ByteFormat::format($bytes, $decimal)),
         ];
     }
 
diff --git a/src/Users/Assets/UserAvatarAsset.php b/src/Users/Assets/UserAvatarAsset.php
index d52a99c..474d382 100644
--- a/src/Users/Assets/UserAvatarAsset.php
+++ b/src/Users/Assets/UserAvatarAsset.php
@@ -17,7 +17,7 @@ class UserAvatarAsset extends UserImageAsset implements UserAssetScalableInterfa
     ];
 
     private const MAX_RES  = 2000;
-    private const MAX_BYTES  = 1048576;
+    private const MAX_BYTES  = 1000000;
 
     public function getMaxWidth(): int {
         return Config::get('avatar.max_res', IConfig::T_INT, self::MAX_RES);
diff --git a/src/Users/Assets/UserBackgroundAsset.php b/src/Users/Assets/UserBackgroundAsset.php
index 786d68f..2f1a15a 100644
--- a/src/Users/Assets/UserBackgroundAsset.php
+++ b/src/Users/Assets/UserBackgroundAsset.php
@@ -16,7 +16,7 @@ class UserBackgroundAsset extends UserImageAsset {
 
     private const MAX_WIDTH  = 3840;
     private const MAX_HEIGHT = 2160;
-    private const MAX_BYTES  = 1048576;
+    private const MAX_BYTES  = 1500000;
 
     public const ATTACH_NONE    = 0x00;
     public const ATTACH_COVER   = 0x01;
diff --git a/templates/profile/index.twig b/templates/profile/index.twig
index b2cad28..1f96501 100644
--- a/templates/profile/index.twig
+++ b/templates/profile/index.twig
@@ -48,19 +48,19 @@
                     {% if perms.edit_avatar %}
                         <ul class="profile__guidelines__section">
                             <li class="profile__guidelines__line profile__guidelines__line--header">Avatar</li>
-                            <li class="profile__guidelines__line">May not exceed the <span class="profile__guidelines__emphasis">{{ profile_user.avatarInfo.maxBytes|byte_symbol() }}</span> file size limit.</li>
+                            <li class="profile__guidelines__line">May not exceed the <span class="profile__guidelines__emphasis">{{ byte_symbol(profile_user.avatarInfo.maxBytes) }}</span> file size limit.</li>
                             <li class="profile__guidelines__line">May not be larger than <span class="profile__guidelines__emphasis">{{ profile_user.avatarInfo.maxWidth }}x{{ profile_user.avatarInfo.maxHeight }}</span>.</li>
                             <li class="profile__guidelines__line">Will be centre cropped and scaled to at most <span class="profile__guidelines__emphasis">240x240</span>.</li>
-                            <li class="profile__guidelines__line">Animated gif images are allowed.</li>
+                            <li class="profile__guidelines__line">Animated GIF images are allowed.</li>
                         </ul>
                     {% endif %}
 
                     {% if perms.edit_background %}
                         <ul class="profile__guidelines__section">
                             <li class="profile__guidelines__line profile__guidelines__line--header">Background</li>
-                            <li class="profile__guidelines__line">May not exceed the <span class="profile__guidelines__emphasis">{{ profile_user.backgroundInfo.maxBytes|byte_symbol() }}</span> file size limit.</li>
+                            <li class="profile__guidelines__line">May not exceed the <span class="profile__guidelines__emphasis">{{ byte_symbol(profile_user.backgroundInfo.maxBytes) }}</span> file size limit.</li>
                             <li class="profile__guidelines__line">May not be larger than <span class="profile__guidelines__emphasis">{{ profile_user.backgroundInfo.maxWidth }}x{{ profile_user.backgroundInfo.maxHeight }}</span>.</li>
-                            <li class="profile__guidelines__line">Gif images, in general, are only allowed when tiling.</li>
+                            <li class="profile__guidelines__line">GIF images, in general, are only allowed when tiling.</li>
                         </ul>
                     {% endif %}
                 </div>
diff --git a/utility.php b/utility.php
index e298f9b..2d03633 100644
--- a/utility.php
+++ b/utility.php
@@ -1,18 +1,6 @@
 <?php
 use Index\Colour\Colour;
 
-function byte_symbol(int $bytes, bool $decimal = false, array $symbols = ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y']): string {
-    if($bytes < 1)
-        return '0 B';
-
-    $divider = $decimal ? 1000 : 1024;
-    $exp = floor(log($bytes) / log($divider));
-    $bytes = $bytes / pow($divider, $exp);
-    $symbol = $symbols[$exp];
-
-    return sprintf("%.2f %s%sB", $bytes, $symbol, $symbol !== '' && !$decimal ? 'i' : '');
-}
-
 // render_error, render_info and render_info_or_json should be redone a bit better
 // following a uniform format so there can be a global handler for em