diff --git a/backend/app/data/utils.py b/backend/app/data/utils.py
index e1b3617..1cdea1b 100644
--- a/backend/app/data/utils.py
+++ b/backend/app/data/utils.py
@@ -29,7 +29,8 @@ PROFILE_FIELDS = [
     "custom_formats",  # Array of {name, score} objects
     "qualities",  # Array of strings
     "upgrade_until",
-    "language"
+    "language",
+    "tweaks"
 ]
 
 # Category mappings
diff --git a/frontend/src/components/profile/ProfileModal.jsx b/frontend/src/components/profile/ProfileModal.jsx
index ec31ef6..203dd7d 100644
--- a/frontend/src/components/profile/ProfileModal.jsx
+++ b/frontend/src/components/profile/ProfileModal.jsx
@@ -8,8 +8,18 @@ import ProfileGeneralTab from './ProfileGeneralTab';
 import ProfileScoringTab from './ProfileScoringTab';
 import ProfileQualitiesTab from './ProfileQualitiesTab';
 import ProfileLanguagesTab from './ProfileLangaugesTab';
+import ProfileTweaksTab from './ProfileTweaksTab';
 import QUALITIES from '../../constants/qualities';
 
+const DEFAULT_TWEAKS = {
+    preferFreeleech: true,
+    allowLosslessAudio: true,
+    allowDVNoFallback: false,
+    allowBleedingEdgeCodecs: false,
+    allowPrereleases: false,
+    languageStrictness: 'disabled'
+};
+
 function unsanitize(text) {
     if (!text) return '';
     return text.replace(/\\:/g, ':').replace(/\\n/g, '\n');
@@ -61,11 +71,15 @@ function ProfileModal({
     // Language state
     const [selectedLanguage, setSelectedLanguage] = useState('any');
 
+    // Tweaks state
+    const [tweaks, setTweaks] = useState({});
+
     const tabs = [
         {id: 'general', label: 'General'},
         {id: 'scoring', label: 'Scoring'},
         {id: 'qualities', label: 'Qualities'},
-        {id: 'languages', label: 'Languages'}
+        {id: 'languages', label: 'Languages'},
+        {id: 'tweaks', label: 'Tweaks'}
     ];
 
     useEffect(() => {
@@ -122,6 +136,12 @@ function ProfileModal({
                 });
                 setTagScores(initialTagScores);
 
+                // Tweaks
+                setTweaks({
+                    ...DEFAULT_TWEAKS,
+                    ...(content.tweaks || {})
+                });
+
                 // Qualities setup - include all qualities, set enabled status
                 const allQualitiesMap = {}; // Map of all qualities by id
                 QUALITIES.forEach(quality => {
@@ -149,7 +169,7 @@ function ProfileModal({
                             newSortedQualities.push({
                                 id: q.id,
                                 name: q.name,
-                                description: q.description, // Changed: removed || '' to preserve null/undefined
+                                description: q.description,
                                 qualities: groupQualities,
                                 enabled: true
                             });
@@ -266,6 +286,9 @@ function ProfileModal({
                     id: defaultQuality.id,
                     name: defaultQuality.name
                 });
+
+                // Initialize empty tweaks
+                setTweaks(DEFAULT_TWEAKS);
             }
 
             setLoading(false);
@@ -346,7 +369,8 @@ function ProfileModal({
                           })
                       }
                     : null,
-                language: selectedLanguage
+                language: selectedLanguage,
+                tweaks
             };
 
             if (isCloning || !initialProfile) {
@@ -385,7 +409,6 @@ function ProfileModal({
             setError('An unexpected error occurred');
         }
     };
-
     const handleDelete = async () => {
         if (!initialProfile) return;
 
@@ -547,6 +570,12 @@ function ProfileModal({
                                     onLanguageChange={setSelectedLanguage}
                                 />
                             )}
+                            {activeTab === 'tweaks' && (
+                                <ProfileTweaksTab
+                                    tweaks={tweaks}
+                                    onTweaksChange={setTweaks}
+                                />
+                            )}
                         </div>
                     )}
                 </div>
diff --git a/frontend/src/components/profile/ProfileTweaksTab.jsx b/frontend/src/components/profile/ProfileTweaksTab.jsx
new file mode 100644
index 0000000..3a957a4
--- /dev/null
+++ b/frontend/src/components/profile/ProfileTweaksTab.jsx
@@ -0,0 +1,233 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import {InfoIcon, AlertTriangle} from 'lucide-react';
+import {LANGUAGES} from '@constants/languages';
+
+const ProfileTweaksTab = ({tweaks, onTweaksChange}) => {
+    const handleTweakChange = key => {
+        onTweaksChange({
+            ...tweaks,
+            [key]: !tweaks[key]
+        });
+    };
+
+    const handleLanguageStrictness = value => {
+        onTweaksChange({
+            ...tweaks,
+            languageStrictness: value
+        });
+    };
+
+    return (
+        <div className='h-full flex flex-col'>
+            <div className='mt-4 space-y-4'>
+                <div className='flex gap-2 p-3 text-xs bg-blue-50 dark:bg-blue-900/20 border border-blue-200 dark:border-blue-800 rounded-lg'>
+                    <InfoIcon className='h-4 w-4 text-blue-600 dark:text-blue-400 flex-shrink-0' />
+                    <p className='text-blue-700 dark:text-blue-300'>
+                        Tweaks are custom changes that can be toggled according
+                        to your preference. These settings are profile-specific
+                        and won't create merge conflicts when synchronizing with
+                        remote repositories. Use tweaks to fine-tune your
+                        profile's behavior without affecting the core
+                        configuration.
+                    </p>
+                </div>
+
+                <div className='space-y-2'>
+                    {/* Allow Dolby Vision without Fallback */}
+                    <div
+                        onClick={() => handleTweakChange('allowDVNoFallback')}
+                        className={`
+                            p-4 rounded-lg cursor-pointer select-none
+                            border transition-colors duration-200
+                            ${
+                                tweaks.allowDVNoFallback
+                                    ? 'border-blue-200 dark:border-blue-800 bg-blue-50 dark:bg-blue-900/20'
+                                    : 'border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'
+                            }
+                            hover:border-blue-500 dark:hover:border-blue-400
+                        `}>
+                        <div className='space-y-1'>
+                            <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                                Allow Dolby Vision without Fallback
+                            </h3>
+                            <p className='text-xs text-gray-500 dark:text-gray-400'>
+                                Allow Dolby Vision releases that don't include
+                                HDR10 fallback. These may display incorrectly on
+                                non-Dolby Vision displays.
+                            </p>
+                            <div className='flex items-center gap-1.5 mt-2'>
+                                <AlertTriangle className='h-3 w-3 text-amber-500' />
+                                <p className='text-[10px] text-amber-600 dark:text-amber-400'>
+                                    Only enable if your display supports Dolby
+                                    Vision
+                                </p>
+                            </div>
+                        </div>
+                    </div>
+
+                    {/* Allow Bleeding Edge Codecs */}
+                    <div
+                        onClick={() =>
+                            handleTweakChange('allowBleedingEdgeCodecs')
+                        }
+                        className={`
+                            p-4 rounded-lg cursor-pointer select-none
+                            border transition-colors duration-200
+                            ${
+                                tweaks.allowBleedingEdgeCodecs
+                                    ? 'border-blue-200 dark:border-blue-800 bg-blue-50 dark:bg-blue-900/20'
+                                    : 'border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'
+                            }
+                            hover:border-blue-500 dark:hover:border-blue-400
+                        `}>
+                        <div className='space-y-1'>
+                            <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                                Allow Bleeding Edge Codecs
+                            </h3>
+                            <p className='text-xs text-gray-500 dark:text-gray-400'>
+                                Allow releases using newer codecs like AV1 and
+                                H.266/VVC. These may offer better compression
+                                but have limited hardware support.
+                            </p>
+                        </div>
+                    </div>
+
+                    {/* Allow Lossless Audio */}
+                    <div
+                        onClick={() => handleTweakChange('allowLosslessAudio')}
+                        className={`
+                            p-4 rounded-lg cursor-pointer select-none
+                            border transition-colors duration-200
+                            ${
+                                tweaks.allowLosslessAudio ?? true
+                                    ? 'border-blue-200 dark:border-blue-800 bg-blue-50 dark:bg-blue-900/20'
+                                    : 'border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'
+                            }
+                            hover:border-blue-500 dark:hover:border-blue-400
+                        `}>
+                        <div className='space-y-1'>
+                            <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                                Allow Lossless Audio
+                            </h3>
+                            <p className='text-xs text-gray-500 dark:text-gray-400'>
+                                Allow high-quality lossless audio formats
+                                including TrueHD + Atmos, DTS-HD MA, DTS-X,
+                                FLAC, and PCM.
+                            </p>
+                            <div className='flex items-center gap-1.5 mt-2'>
+                                <AlertTriangle className='h-3 w-3 text-amber-500' />
+                                <p className='text-[10px] text-amber-600 dark:text-amber-400'>
+                                    May skip better quality releases if disabled
+                                </p>
+                            </div>
+                        </div>
+                    </div>
+
+                    {/* Allow Prereleases */}
+                    <div
+                        onClick={() => handleTweakChange('allowPrereleases')}
+                        className={`
+                            p-4 rounded-lg cursor-pointer select-none
+                            border transition-colors duration-200
+                            ${
+                                tweaks.allowPrereleases
+                                    ? 'border-blue-200 dark:border-blue-800 bg-blue-50 dark:bg-blue-900/20'
+                                    : 'border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'
+                            }
+                            hover:border-blue-500 dark:hover:border-blue-400
+                        `}>
+                        <div className='space-y-1'>
+                            <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                                Allow Prereleases
+                            </h3>
+                            <p className='text-xs text-gray-500 dark:text-gray-400'>
+                                Allow early releases like CAMs, Telecines,
+                                Telesyncs, and Screeners. These are typically
+                                available before official releases but at lower
+                                quality.
+                            </p>
+                        </div>
+                    </div>
+
+                    {/* Prefer Freeleech */}
+                    <div
+                        onClick={() => handleTweakChange('preferFreeleech')}
+                        className={`
+                            p-4 rounded-lg cursor-pointer select-none
+                            border transition-colors duration-200
+                            ${
+                                tweaks.preferFreeleech
+                                    ? 'border-blue-200 dark:border-blue-800 bg-blue-50 dark:bg-blue-900/20'
+                                    : 'border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'
+                            }
+                            hover:border-blue-500 dark:hover:border-blue-400
+                        `}>
+                        <div className='space-y-1'>
+                            <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                                Prefer Freeleech
+                            </h3>
+                            <p className='text-xs text-gray-500 dark:text-gray-400'>
+                                Prioritize releases tagged as freeleech when
+                                choosing between different indexers' releases.
+                            </p>
+                        </div>
+                    </div>
+
+                    {/* Language Strictness */}
+                    <div className='p-4 rounded-lg border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800'>
+                        <div className='space-y-3'>
+                            <div className='space-y-1'>
+                                <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                                    Language Strictness
+                                </h3>
+                                <p className='text-xs text-gray-500 dark:text-gray-400'>
+                                    Set strict language requirements for
+                                    releases. Select 'Disabled' to use normal
+                                    language preferences.
+                                </p>
+                            </div>
+                            <select
+                                value={tweaks.languageStrictness || 'disabled'}
+                                onChange={e =>
+                                    handleLanguageStrictness(e.target.value)
+                                }
+                                className='mt-1 block w-full rounded-md border border-gray-300 dark:border-gray-600 bg-white dark:bg-gray-700 px-3 py-2 text-sm text-gray-900 dark:text-gray-100 focus:border-blue-500 dark:focus:border-blue-400 focus:outline-none focus:ring-1 focus:ring-blue-500 dark:focus:ring-blue-400'>
+                                <option value='disabled'>Disabled</option>
+                                <optgroup label='Must Include'>
+                                    {LANGUAGES.filter(
+                                        lang => !lang.isSpecial
+                                    ).map(language => (
+                                        <option
+                                            key={`must_${language.id}`}
+                                            value={`must_${language.id}`}>
+                                            Must Include {language.name}
+                                        </option>
+                                    ))}
+                                </optgroup>
+                                <optgroup label='Must Not Include'>
+                                    {LANGUAGES.filter(
+                                        lang => !lang.isSpecial
+                                    ).map(language => (
+                                        <option
+                                            key={`mustnot_${language.id}`}
+                                            value={`mustnot_${language.id}`}>
+                                            Must Not Include {language.name}
+                                        </option>
+                                    ))}
+                                </optgroup>
+                            </select>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    );
+};
+
+ProfileTweaksTab.propTypes = {
+    tweaks: PropTypes.object.isRequired,
+    onTweaksChange: PropTypes.func.isRequired
+};
+
+export default ProfileTweaksTab;