diff --git a/components/Application/Application.tsx b/components/Application/Application.tsx
index 964294c..ee318a0 100644
--- a/components/Application/Application.tsx
+++ b/components/Application/Application.tsx
@@ -12,7 +12,6 @@ import { Guilds } from './Guilds/Guilds'
 import { Divider } from '../design/Divider'
 import { Members } from './Members'
 import { useAuthentication } from '../../tools/authentication'
-import { API_URL } from '../../tools/api'
 
 export interface ChannelsPath {
   channelId: number
@@ -189,7 +188,7 @@ export const Application: React.FC<ApplicationProps> = (props) => {
                 src={
                   user.logo == null
                     ? '/images/data/user-default.png'
-                    : API_URL + user.logo
+                    : user.logo
                 }
                 alt={"Users's profil picture"}
                 draggable={false}
diff --git a/components/Application/GuildSettings/GuildSettings.tsx b/components/Application/GuildSettings/GuildSettings.tsx
index 275034c..deb93aa 100644
--- a/components/Application/GuildSettings/GuildSettings.tsx
+++ b/components/Application/GuildSettings/GuildSettings.tsx
@@ -9,7 +9,6 @@ import useTranslation from 'next-translate/useTranslation'
 import { HandleSubmitCallback, useForm } from '../../../hooks/useForm'
 import { guildSchema } from '../../../models/Guild'
 import { FormState } from '../../design/FormState'
-import { API_URL } from '../../../tools/api'
 import { useGuildMember } from '../../../contexts/GuildMember'
 import { Textarea } from '../../design/Textarea'
 import { Input } from '../../design/Input'
@@ -135,7 +134,7 @@ export const GuildSettings: React.FC = () => {
                   src={
                     guild.icon == null
                       ? '/images/data/guild-default.png'
-                      : API_URL + guild.icon
+                      : guild.icon
                   }
                   alt='Profil Picture'
                   draggable='false'
diff --git a/components/Application/Guilds/Guild/Guild.tsx b/components/Application/Guilds/Guild/Guild.tsx
index 23d88d7..45b81bb 100644
--- a/components/Application/Guilds/Guild/Guild.tsx
+++ b/components/Application/Guilds/Guild/Guild.tsx
@@ -1,6 +1,5 @@
 import Image from 'next/image'
 
-import { API_URL } from '../../../../tools/api'
 import { GuildWithDefaultChannelId } from '../../../../models/Guild'
 import { IconLink } from '../../../design/IconLink'
 
@@ -24,9 +23,7 @@ export const Guild: React.FC<GuildProps> = (props) => {
           quality={100}
           className='rounded-full'
           src={
-            guild.icon != null
-              ? API_URL + guild.icon
-              : '/images/data/guild-default.png'
+            guild.icon != null ? guild.icon : '/images/data/guild-default.png'
           }
           alt='logo'
           width={48}
diff --git a/components/Application/JoinGuildsPublic/GuildPublic/GuildPublic.tsx b/components/Application/JoinGuildsPublic/GuildPublic/GuildPublic.tsx
index b4576f1..69f8a49 100644
--- a/components/Application/JoinGuildsPublic/GuildPublic/GuildPublic.tsx
+++ b/components/Application/JoinGuildsPublic/GuildPublic/GuildPublic.tsx
@@ -7,7 +7,6 @@ import axios from 'axios'
 
 import { Emoji } from '../../../Emoji'
 import { ConfirmGuildJoin } from '../../ConfirmGuildJoin'
-import { API_URL } from '../../../../tools/api'
 import {
   GuildPublic as GuildPublicType,
   GuildWithDefaultChannelId
@@ -64,9 +63,7 @@ export const GuildPublic: React.FC<GuildPublicProps> = (props) => {
           quality={100}
           className='rounded-full'
           src={
-            guild.icon != null
-              ? API_URL + guild.icon
-              : '/images/data/guild-default.png'
+            guild.icon != null ? guild.icon : '/images/data/guild-default.png'
           }
           alt='logo'
           width={80}
diff --git a/components/Application/Members/Member/Member.tsx b/components/Application/Members/Member/Member.tsx
index e3faec5..701053b 100644
--- a/components/Application/Members/Member/Member.tsx
+++ b/components/Application/Members/Member/Member.tsx
@@ -2,7 +2,6 @@ import Image from 'next/image'
 import Link from 'next/link'
 
 import { MemberWithPublicUser } from '../../../../models/Member'
-import { API_URL } from '../../../../tools/api'
 
 export interface MemberProps {
   member: MemberWithPublicUser
@@ -20,7 +19,7 @@ export const Member: React.FC<MemberProps> = (props) => {
               src={
                 member.user.logo == null
                   ? '/images/data/user-default.png'
-                  : API_URL + member.user.logo
+                  : member.user.logo
               }
               alt={"Users's profil picture"}
               height={50}
diff --git a/components/Application/Messages/Message/Message.tsx b/components/Application/Messages/Message/Message.tsx
index 244ad68..042f46f 100644
--- a/components/Application/Messages/Message/Message.tsx
+++ b/components/Application/Messages/Message/Message.tsx
@@ -3,7 +3,6 @@ import Link from 'next/link'
 import date from 'date-and-time'
 
 import { MessageWithMember } from '../../../../models/Message'
-import { API_URL } from '../../../../tools/api'
 import { MessageText } from './MessageText'
 import { Loader } from '../../../design/Loader'
 import { MessageFile } from './MessageFile'
@@ -30,7 +29,7 @@ export const Message: React.FC<MessageProps> = (props) => {
                 src={
                   message.member.user.logo == null
                     ? '/images/data/user-default.png'
-                    : API_URL + message.member.user.logo
+                    : message.member.user.logo
                 }
                 alt={"Users's profil picture"}
                 width={50}
diff --git a/components/Application/Messages/Message/MessageFile/MessageFile.tsx b/components/Application/Messages/Message/MessageFile/MessageFile.tsx
index 953c8dc..3925a0e 100644
--- a/components/Application/Messages/Message/MessageFile/MessageFile.tsx
+++ b/components/Application/Messages/Message/MessageFile/MessageFile.tsx
@@ -3,10 +3,10 @@ import axios from 'axios'
 import prettyBytes from 'pretty-bytes'
 import { DownloadIcon } from '@heroicons/react/solid'
 
-import { useAuthentication } from '../../../../../tools/authentication'
 import { MessageWithMember } from '../../../../../models/Message'
 import { Loader } from '../../../../design/Loader'
 import { FileIcon } from './FileIcon'
+import { api } from '../../../../../tools/api'
 
 const supportedImageMimetype = [
   'image/png',
@@ -27,14 +27,13 @@ export interface MessageContentProps {
 export const MessageFile: React.FC<MessageContentProps> = (props) => {
   const { message } = props
 
-  const { authentication } = useAuthentication()
   const [file, setFile] = useState<FileData | null>(null)
 
   useEffect(() => {
     const ourRequest = axios.CancelToken.source()
 
     const fetchData = async (): Promise<void> => {
-      const { data } = await authentication.api.get(message.value, {
+      const { data } = await api.get(message.value, {
         responseType: 'blob',
         cancelToken: ourRequest.token
       })
@@ -46,7 +45,7 @@ export const MessageFile: React.FC<MessageContentProps> = (props) => {
     return () => {
       ourRequest.cancel()
     }
-  }, [message.value, authentication.api])
+  }, [message.value])
 
   if (file == null) {
     return <Loader />
diff --git a/components/Application/UserProfile/UserProfile.tsx b/components/Application/UserProfile/UserProfile.tsx
index 2a09b8b..4d626a5 100644
--- a/components/Application/UserProfile/UserProfile.tsx
+++ b/components/Application/UserProfile/UserProfile.tsx
@@ -2,7 +2,6 @@ import Image from 'next/image'
 import date from 'date-and-time'
 import useTranslation from 'next-translate/useTranslation'
 
-import { API_URL } from '../../../tools/api'
 import { UserPublic } from '../../../models/User'
 import { Guild } from '../../../models/Guild'
 
@@ -28,7 +27,7 @@ export const UserProfile: React.FC<UserProfileProps> = (props) => {
                   className='rounded-full'
                   src={
                     user.logo != null
-                      ? API_URL + user.logo
+                      ? user.logo
                       : '/images/data/user-default.png'
                   }
                   alt='Profil Picture'
@@ -91,9 +90,7 @@ export const UserProfile: React.FC<UserProfileProps> = (props) => {
             </div>
           </div>
           <div className='mt-7'>
-            {user.biography != null && (
-              <p className='w-[45%]'>{user.biography}</p>
-            )}
+            {user.biography != null && <p>{user.biography}</p>}
           </div>
         </div>
       </div>
diff --git a/components/Application/UserSettings/UserSettings.tsx b/components/Application/UserSettings/UserSettings.tsx
index 9e5fd24..f56c544 100644
--- a/components/Application/UserSettings/UserSettings.tsx
+++ b/components/Application/UserSettings/UserSettings.tsx
@@ -1,13 +1,12 @@
 import Image from 'next/image'
 import useTranslation from 'next-translate/useTranslation'
-import { useState } from 'react'
+import { useState, useMemo } from 'react'
 import { Form } from 'react-component-form'
 import { EyeIcon, PhotographIcon } from '@heroicons/react/solid'
 import { Type } from '@sinclair/typebox'
 import axios from 'axios'
 import Link from 'next/link'
 
-import { API_URL } from '../../../tools/api'
 import { Input } from '../../design/Input'
 import { Checkbox } from '../../design/Checkbox'
 import { Textarea } from '../../design/Textarea'
@@ -20,6 +19,7 @@ import { FormState } from '../../design/FormState'
 import { useForm, HandleSubmitCallback } from '../../../hooks/useForm'
 import { userSchema } from '../../../models/User'
 import { userSettingsSchema } from '../../../models/UserSettings'
+import { ProviderOAuth, providers } from '../../../models/OAuth'
 
 export const UserSettings: React.FC = () => {
   const { user, setUser, authentication } = useAuthentication()
@@ -56,6 +56,10 @@ export const UserSettings: React.FC = () => {
     resetOnSuccess: false
   })
 
+  const hasAllProviders = useMemo(() => {
+    return providers.every((provider) => user.strategies.includes(provider))
+  }, [user.strategies])
+
   const onSubmit: HandleSubmitCallback = async (formData) => {
     try {
       const { isPublicGuilds, isPublicEmail, ...userData } = formData
@@ -173,6 +177,41 @@ export const UserSettings: React.FC = () => {
     }
   }
 
+  const handleDeletionProvider = (
+    provider: ProviderOAuth
+  ): (() => Promise<void>) => {
+    return async () => {
+      try {
+        setFetchState('loading')
+        await authentication.api.delete(`/users/oauth2/${provider}`)
+        setUser((oldUser) => {
+          return {
+            ...oldUser,
+            strategies: oldUser.strategies.filter(
+              (strategy) => strategy !== provider
+            )
+          }
+        })
+        setMessageTranslationKey('application:success-deleted-provider')
+      } catch (error) {
+        setFetchState('error')
+        setMessageTranslationKey('errors:server-error')
+      }
+    }
+  }
+
+  const handleAddProvider = (
+    provider: ProviderOAuth
+  ): (() => Promise<void>) => {
+    return async () => {
+      const redirect = window.location.href.replace(location.search, '')
+      const { data: url } = await authentication.api.get(
+        `/users/oauth2/${provider.toLowerCase()}/add-strategy?redirectURI=${redirect}`
+      )
+      window.location.href = url
+    }
+  }
+
   return (
     <Form
       onSubmit={handleSubmit(onSubmit)}
@@ -197,7 +236,7 @@ export const UserSettings: React.FC = () => {
                 className='rounded-full opacity-50'
                 src={
                   user.logo != null
-                    ? API_URL + user.logo
+                    ? user.logo
                     : '/images/data/user-default.png'
                 }
                 alt='Profil Picture'
@@ -264,7 +303,7 @@ export const UserSettings: React.FC = () => {
           />
         </div>
         <div className='flex h-full w-4/5 flex-col items-center justify-between pr-0 sm:w-[415px] lg:pl-12'>
-          <div className='flex w-full items-center pt-14'>
+          <div className='flex w-full items-center pt-10 lg:pt-0'>
             <Language className='!top-12' />
             <div className='ml-auto flex'>
               <SwitchTheme />
@@ -283,18 +322,46 @@ export const UserSettings: React.FC = () => {
           </div>
 
           <div className='mt-14 flex w-full flex-col gap-4'>
-            <SocialMediaButton
-              socialMedia='Google'
-              className='w-full justify-center'
-            />
-            <SocialMediaButton
-              socialMedia='Discord'
-              className='w-full justify-center'
-            />
-            <SocialMediaButton
-              socialMedia='GitHub'
-              className='w-full justify-center'
-            />
+            {!hasAllProviders ? (
+              <div className='flex w-full flex-col gap-4'>
+                <h3 className='text-center'>
+                  {t('application:signin-with-an-account')}
+                </h3>
+                {providers.map((provider, index) => {
+                  if (!user.strategies.includes(provider)) {
+                    return (
+                      <SocialMediaButton
+                        key={index}
+                        socialMedia={provider}
+                        className='w-full justify-center'
+                        onClick={handleAddProvider(provider)}
+                      />
+                    )
+                  }
+                  return null
+                })}
+              </div>
+            ) : null}
+            {user.strategies.length !== 1 && (
+              <div className='mt-4 flex w-full flex-col gap-4'>
+                <h3 className='text-center'>
+                  {t('application:signout-with-an-account')}
+                </h3>
+                {providers.map((provider, index) => {
+                  if (user.strategies.includes(provider)) {
+                    return (
+                      <SocialMediaButton
+                        key={index}
+                        socialMedia={provider}
+                        className='w-full justify-center'
+                        onClick={handleDeletionProvider(provider)}
+                      />
+                    )
+                  }
+                  return null
+                })}
+              </div>
+            )}
           </div>
         </div>
       </div>
diff --git a/components/Authentication/AuthenticationSocialMedia.tsx b/components/Authentication/AuthenticationSocialMedia.tsx
index 70fd785..5c39e26 100644
--- a/components/Authentication/AuthenticationSocialMedia.tsx
+++ b/components/Authentication/AuthenticationSocialMedia.tsx
@@ -4,6 +4,7 @@ import { useRouter } from 'next/router'
 import { api } from '../../tools/api'
 import { Authentication, isTokens } from '../../tools/authentication'
 import { SocialMediaButton, SocialMedia } from '../design/SocialMediaButton'
+import { providers } from '../../models/OAuth'
 
 export const AuthenticationSocialMedia: React.FC = () => {
   const router = useRouter()
@@ -12,7 +13,7 @@ export const AuthenticationSocialMedia: React.FC = () => {
     socialMedia: SocialMedia
   ): (() => Promise<void>) => {
     return async () => {
-      const redirect = window.location.href
+      const redirect = window.location.href.replace(location.search, '')
       const { data: url } = await api.get(
         `/users/oauth2/${socialMedia.toLowerCase()}/signin?redirectURI=${redirect}`
       )
@@ -32,18 +33,15 @@ export const AuthenticationSocialMedia: React.FC = () => {
   return (
     <div className='flex flex-col sm:w-full sm:items-center'>
       <div className='flex flex-col items-center justify-center space-y-6 sm:w-4/6 sm:flex-row sm:space-x-6 sm:space-y-0'>
-        <SocialMediaButton
-          socialMedia='Google'
-          onClick={handleAuthentication('Google')}
-        />
-        <SocialMediaButton
-          socialMedia='GitHub'
-          onClick={handleAuthentication('GitHub')}
-        />
-        <SocialMediaButton
-          socialMedia='Discord'
-          onClick={handleAuthentication('Discord')}
-        />
+        {providers.map((provider, index) => {
+          return (
+            <SocialMediaButton
+              key={index}
+              socialMedia={provider}
+              onClick={handleAuthentication(provider)}
+            />
+          )
+        })}
       </div>
     </div>
   )
diff --git a/locales/en/application.json b/locales/en/application.json
index 8286017..49380a1 100644
--- a/locales/en/application.json
+++ b/locales/en/application.json
@@ -19,6 +19,9 @@
   "success-email-changed": "Please check your emails to confirm your new email address. You are now signed out.",
   "delete": "Delete",
   "signout": "Sign out",
+  "signin-with-an-account": "Sign in with an account",
+  "signout-with-an-account": "Sign out with an account",
+  "success-deleted-provider": "The provider has been deleted.",
   "leave": "Leave",
   "start-chatting-kill-ghost": "Start chatting to kill this ghost!"
 }
diff --git a/locales/fr/application.json b/locales/fr/application.json
index 46d80e4..11e1832 100644
--- a/locales/fr/application.json
+++ b/locales/fr/application.json
@@ -19,6 +19,9 @@
   "success-email-changed": "Veuillez vérifier vos emails pour confirmer votre nouvelle adresse email. Vous êtes maintenant déconnecté.",
   "delete": "Supprimer",
   "signout": "Se déconnecter",
+  "signin-with-an-account": "Se connecter avec un compte",
+  "signout-with-an-account": "Se déconnecter avec un compte",
+  "success-deleted-provider": "Le moyen de connexion a été supprimé.",
   "leave": "Quitter",
   "start-chatting-kill-ghost": "Commencez à discuter pour tuer ce fantôme !"
 }
diff --git a/next.config.js b/next.config.js
index 7f82ba5..cfb2f19 100644
--- a/next.config.js
+++ b/next.config.js
@@ -9,6 +9,7 @@ module.exports = nextTranslate(
       domains: [
         'api.thream.divlo.fr',
         'thream-api.herokuapp.com',
+        'file-uploads-api.thream.divlo.fr',
         ...(process.env.NODE_ENV !== 'production' ? ['localhost'] : [])
       ]
     },
diff --git a/package-lock.json b/package-lock.json
index abca7d3..b6d5850 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -91,8 +91,8 @@
         "vercel": "24.0.1"
       },
       "engines": {
-        "node": ">=16.0.0",
-        "npm": ">=8.0.0"
+        "node": ">=14.0.0",
+        "npm": ">=7.0.0"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index de53e25..84f1795 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,8 @@
     "url": "https://github.com/Thream/website"
   },
   "engines": {
-    "node": ">=16.0.0",
-    "npm": ">=8.0.0"
+    "node": ">=14.0.0",
+    "npm": ">=7.0.0"
   },
   "scripts": {
     "dev": "next dev",