diff --git a/fittrackee_client/src/components/Workout/WorkoutEdition.vue b/fittrackee_client/src/components/Workout/WorkoutEdition.vue
index 17b98490..a2b67cb6 100644
--- a/fittrackee_client/src/components/Workout/WorkoutEdition.vue
+++ b/fittrackee_client/src/components/Workout/WorkoutEdition.vue
@@ -9,7 +9,7 @@
           <form @submit.prevent="updateWorkout">
             <div class="form-items">
               <div class="form-item-radio" v-if="isCreation">
-                <div class="radio">
+                <div>
                   <input
                     id="withGpx"
                     type="radio"
@@ -19,7 +19,7 @@
                   />
                   <label for="withGpx">{{ t('workouts.WITH_GPX') }}</label>
                 </div>
-                <div class="radio">
+                <div>
                   <input
                     id="withoutGpx"
                     type="radio"
@@ -52,13 +52,7 @@
               <div class="form-item" v-if="isCreation && withGpx">
                 <label for="gpxFile">
                   {{ t('workouts.GPX_FILE') }}
-                  <sup>
-                    <i class="fa fa-question-circle" aria-hidden="true" />
-                  </sup>
-                  {{ t('workouts.ZIP_FILE') }}
-                  <sup
-                    ><i class="fa fa-question-circle" aria-hidden="true" /></sup
-                  >:
+                  {{ t('workouts.ZIP_ARCHIVE_DESCRIPTION') }}:
                 </label>
                 <input
                   id="gpxFile"
@@ -68,6 +62,25 @@
                   :disabled="loading"
                   @input="updateFile"
                 />
+                <div class="files-help">
+                  <div>
+                    <strong>{{ t('workouts.GPX_FILE') }}:</strong>
+                    <ul>
+                      <li>{{ t('workouts.MAX_SIZE') }}: {{ fileSizeLimit }}</li>
+                    </ul>
+                  </div>
+
+                  <div>
+                    <strong>{{ t('workouts.ZIP_ARCHIVE') }}:</strong>
+                    <ul>
+                      <li>{{ t('workouts.NO_FOLDER') }}</li>
+                      <li>
+                        {{ t('workouts.MAX_FILES') }}: {{ gpx_limit_import }}
+                      </li>
+                      <li>{{ t('workouts.MAX_SIZE') }}: {{ zipSizeLimit }}</li>
+                    </ul>
+                  </div>
+                </div>
               </div>
               <div class="form-item" v-else>
                 <label for="title"> {{ t('workouts.TITLE') }}: </label>
@@ -206,11 +219,13 @@
   import ErrorMessage from '@/components/Common/ErrorMessage.vue'
   import Loader from '@/components/Common/Loader.vue'
   import { ROOT_STORE, WORKOUTS_STORE } from '@/store/constants'
+  import { IAppConfig } from '@/types/application'
   import { ISport } from '@/types/sports'
   import { IAuthUserProfile } from '@/types/user'
   import { IWorkout, IWorkoutForm } from '@/types/workouts'
   import { useStore } from '@/use/useStore'
   import { formatWorkoutDate, getDateWithTZ } from '@/utils/dates'
+  import { getReadableFileSize } from '@/utils/files'
   import { translateSports } from '@/utils/sports'
 
   export default defineComponent({
@@ -257,6 +272,16 @@
       const translatedSports: ComputedRef<ISport[]> = computed(() =>
         translateSports(props.sports, t)
       )
+      const appConfig: ComputedRef<IAppConfig> = computed(
+        () => store.getters[ROOT_STORE.GETTERS.APP_CONFIG]
+      )
+      const fileSizeLimit = appConfig.value.max_single_file_size
+        ? getReadableFileSize(appConfig.value.max_single_file_size)
+        : ''
+      const gpx_limit_import = appConfig.value.gpx_limit_import
+      const zipSizeLimit = appConfig.value.max_zip_file_size
+        ? getReadableFileSize(appConfig.value.max_zip_file_size)
+        : ''
       const errorMessages: ComputedRef<string | string[] | null> = computed(
         () => store.getters[ROOT_STORE.GETTERS.ERROR_MESSAGES]
       )
@@ -374,10 +399,14 @@
       onUnmounted(() => store.commit(ROOT_STORE.MUTATIONS.EMPTY_ERROR_MESSAGES))
 
       return {
+        appConfig,
         errorMessages,
+        fileSizeLimit,
+        gpx_limit_import,
         t,
         translatedSports,
         withGpx,
+        zipSizeLimit,
         workoutDataObject: workoutForm,
         onCancel,
         updateFile,
@@ -450,15 +479,16 @@
             .form-item-radio {
               display: flex;
               justify-content: space-around;
-              .radio {
-                label {
-                  font-weight: normal;
-                }
-                input {
-                  margin-top: -2px;
-                  vertical-align: middle;
+              label {
+                font-weight: normal;
+                @media screen and (max-width: $small-limit) {
+                  font-size: 0.9em;
                 }
               }
+              input {
+                margin-top: -2px;
+                vertical-align: middle;
+              }
             }
           }
 
@@ -469,6 +499,29 @@
               margin: $default-padding * 0.5;
             }
           }
+
+          .files-help {
+            display: flex;
+            justify-content: space-around;
+
+            background-color: var(--info-background-color);
+            border-radius: $border-radius;
+            color: var(--info-color);
+            font-size: 0.8em;
+
+            margin-top: $default-margin;
+            padding: $default-padding;
+            div {
+              display: flex;
+              @media screen and (max-width: $small-limit) {
+                flex-direction: column;
+              }
+              ul {
+                margin: 0;
+                padding: 0 $default-padding * 2;
+              }
+            }
+          }
         }
       }
     }
diff --git a/fittrackee_client/src/locales/en/api.json b/fittrackee_client/src/locales/en/api.json
index 0c70e619..56a6ab6b 100644
--- a/fittrackee_client/src/locales/en/api.json
+++ b/fittrackee_client/src/locales/en/api.json
@@ -2,10 +2,18 @@
   "ERROR": {
     "UNKNOWN": "Error. Please try again or contact the administrator.",
     "Error, Please try again or contact the administrator": "Error. Please try again or contact the administrator.",
+    "File extension not allowed": "File extension not allowed.",
+    "File size is greater than the allowed size": "File size is greater than the allowed size.",
     "Invalid credentials": "Invalid credentials.",
-    "Network Error": "Network Error",
+    "Invalid payload": "Invalid data.",
+    "Invalid token, Please log in again": "Invalid token. Please log in again.",
+    "Network Error": "Network Error.",
+    "No file part": "No file provided.",
+    "No selected file": "No selected file.",
+    "Provide a valid auth token": "Provide a valid auth token.",
     "Password and password confirmation don't match": "Password and password confirmation don't match.",
     "Password: 8 characters required": "Password: 8 characters required.",
+    "Signature expired, Please log in again": "Signature expired. Please log in again.",
     "Username: 3 to 12 characters required": "Username: 3 to 12 characters required.",
     "Valid email must be provided": "Valid email must be provided."
   }
diff --git a/fittrackee_client/src/locales/en/workouts.json b/fittrackee_client/src/locales/en/workouts.json
index 3fb38fc1..81760798 100644
--- a/fittrackee_client/src/locales/en/workouts.json
+++ b/fittrackee_client/src/locales/en/workouts.json
@@ -10,16 +10,19 @@
   "EDIT_WORKOUT": "Edit the workout",
   "ELEVATION": "elevation",
   "END": "end",
-  "GPX_FILE": "fichier .gpx",
+  "GPX_FILE": ".gpx file",
   "KM": "km",
   "LATEST_WORKOUTS": "Latest workouts",
   "LOAD_MORE_WORKOUT": "Load more workouts",
   "MAX_ALTITUDE": "max. altitude",
+  "MAX_FILES": "max files",
+  "MAX_SIZE": "max size",
   "MAX_SPEED": "max. speed",
   "MIN_ALTITUDE": "min. altitude",
   "NEXT_SEGMENT": "No next segment",
   "NEXT_WORKOUT": "Next workout",
   "NO_DATA_CLEANING": "data from gpx, without any cleaning",
+  "NO_FOLDER": "no folder inside",
   "NO_MAP": "No map",
   "NO_NEXT_SEGMENT": "No next segment",
   "NO_NEXT_WORKOUT": "No next workout",
@@ -66,5 +69,6 @@
   "WORKOUT": "workout | workouts",
   "WORKOUT_DATE": "workout date",
   "WORKOUT_DELETION_CONFIRMATION": "Are you sure you want to delete this workout?",
-  "ZIP_FILE": "or .zip file containing .gpx files"
+  "ZIP_ARCHIVE": ".zip file",
+  "ZIP_ARCHIVE_DESCRIPTION": "or .zip file containing .gpx files"
 }
diff --git a/fittrackee_client/src/locales/fr/api.json b/fittrackee_client/src/locales/fr/api.json
index 3014a728..0a842b69 100644
--- a/fittrackee_client/src/locales/fr/api.json
+++ b/fittrackee_client/src/locales/fr/api.json
@@ -2,10 +2,18 @@
   "ERROR": {
     "UNKNOWN": "Erreur. Veuillez réessayer ou contacter l'administrateur.",
     "Error, Please try again or contact the administrator": "Erreur. Veuillez réessayer ou contacter l'administrateur.",
+    "File extension not allowed": "Extension de fichier non autorisée.",
+    "File size is greater than the allowed size": "La taille du fichier est supérieure à la limite autorisée.",
     "Invalid credentials": "Identifiants invalides.",
-    "Network Error": "Erreur Réseau",
+    "Invalid payload": "Données incorrectes.",
+    "Invalid token, Please log in again": "Jeton invalide. Merci de vous reconnecter.",
+    "No file part": "Pas de fichier fourni.",
+    "No selected file": "Pas de fichier sélectionné.",
+    "Network Error": "Erreur Réseau.",
+    "Provide a valid auth token": "Merci de fournir un jeton valide.",
     "Password and password confirmation don't match": "Les mots de passe saisis sont différents.",
     "Password: 8 characters required": "8 caractères minimum pour le mot de passe.",
+    "Signature expired, Please log in again": "Signature expirée. Merci de vous reconnecter.",
     "Username: 3 to 12 characters required": "3 à 12 caractères requis pour le nom.",
     "Valid email must be provided": "L'email fourni n'est pas valide."
   }
diff --git a/fittrackee_client/src/locales/fr/workouts.json b/fittrackee_client/src/locales/fr/workouts.json
index 7b2c6fe0..3550ed11 100644
--- a/fittrackee_client/src/locales/fr/workouts.json
+++ b/fittrackee_client/src/locales/fr/workouts.json
@@ -10,16 +10,19 @@
   "EDIT_WORKOUT": "Modifier la séance",
   "ELEVATION": "altitude",
   "END": "fin",
-  "GPX_FILE": ".gpx file",
+  "GPX_FILE": "fichier .gpx",
   "KM": "km",
   "LATEST_WORKOUTS": "Séances récentes",
   "LOAD_MORE_WORKOUT": "Charger les séances suivantes",
   "MAX_ALTITUDE": "altitude max",
+  "MAX_FILES": "fichiers max. ",
+  "MAX_SIZE": "taille max. ",
   "MAX_SPEED": "vitesse max",
   "MIN_ALTITUDE": "altitude min",
   "NEXT_SEGMENT": "Segment suivant",
   "NEXT_WORKOUT": "Séance suivante",
   "NO_DATA_CLEANING": "données issues du fichier gpx, sans correction",
+  "NO_FOLDER": "pas de répertoire",
   "NO_MAP": "Pas de carte",
   "NO_NEXT_SEGMENT": "Pas de segment suivant",
   "NO_NEXT_WORKOUT": "Pas de séance suivante",
@@ -66,5 +69,6 @@
   "WORKOUT": "séance | séances",
   "WORKOUT_DATE": "date de la séance",
   "WORKOUT_DELETION_CONFIRMATION": "Etes-vous sûr de vouloir supprimer cette séance ?",
-  "ZIP_FILE": "ou une archive .zip contenant des fichiers .gpx"
+  "ZIP_ARCHIVE": "archive .zip",
+  "ZIP_ARCHIVE_DESCRIPTION": "ou une archive .zip contenant des fichiers .gpx"
 }
diff --git a/fittrackee_client/src/scss/colors.scss b/fittrackee_client/src/scss/colors.scss
index b04df8e9..9ec430ab 100644
--- a/fittrackee_client/src/scss/colors.scss
+++ b/fittrackee_client/src/scss/colors.scss
@@ -32,7 +32,8 @@
 
   --alert-background-color: #c8cdd3;
   --alert-color: #3f3f3f;
-
+  --info-background-color: #e5e7ea;
+  --info-color: var(--app-color);
   --error-background-color: #ffd2d2;
   --error-color: #db1924;
 
diff --git a/fittrackee_client/src/store/modules/workouts/actions.ts b/fittrackee_client/src/store/modules/workouts/actions.ts
index 897ec137..a49299a6 100644
--- a/fittrackee_client/src/store/modules/workouts/actions.ts
+++ b/fittrackee_client/src/store/modules/workouts/actions.ts
@@ -168,7 +168,7 @@ export const actions: ActionTree<IWorkoutsState, IRootState> &
     context.commit(ROOT_STORE.MUTATIONS.EMPTY_ERROR_MESSAGES)
     context.commit(WORKOUTS_STORE.MUTATIONS.SET_WORKOUT_LOADING, true)
     if (!payload.file) {
-      throw new Error('No gpx file provided')
+      throw new Error('No file part')
     }
     const form = new FormData()
     form.append('file', payload.file)
diff --git a/fittrackee_client/src/utils/files.ts b/fittrackee_client/src/utils/files.ts
new file mode 100644
index 00000000..5292b0d8
--- /dev/null
+++ b/fittrackee_client/src/utils/files.ts
@@ -0,0 +1,14 @@
+const suffixes = ['bytes', 'KB', 'MB', 'GB', 'TB']
+
+export const getReadableFileSize = (
+  fileSize: number,
+  asText = true
+): string | Record<string, string> => {
+  const i = Math.floor(Math.log(fileSize) / Math.log(1024))
+  if (!fileSize) {
+    return asText ? '0 bytes' : { size: '0', suffix: 'bytes' }
+  }
+  const size = (fileSize / Math.pow(1024, i)).toFixed(1)
+  const suffix = suffixes[i]
+  return asText ? `${size}${suffix}` : { size, suffix }
+}
diff --git a/fittrackee_client/src/utils/index.ts b/fittrackee_client/src/utils/index.ts
index 83084044..4fe7d94d 100644
--- a/fittrackee_client/src/utils/index.ts
+++ b/fittrackee_client/src/utils/index.ts
@@ -17,8 +17,7 @@ export const getApiUrl = (): string => {
 // TODO: update api error messages to remove these workarounds
 const removeLastEndOfLine = (text: string): string => text.replace(/\n$/gm, '')
 const removeLastDot = (text: string): string => text.replace(/\.$/gm, '')
-const removeErrorDot = (text: string): string =>
-  text.replace(/^Error\./gm, 'Error,')
+const replaceInternalDots = (text: string): string => text.replace(/\./gm, ',')
 
 export const handleError = (
   context:
@@ -33,14 +32,16 @@ export const handleError = (
   let errorMessages = !error
     ? msg
     : error.response
-    ? error.response.data.message
+    ? error.response.status === 413
+      ? 'File size is greater than the allowed size'
+      : error.response.data.message
       ? error.response.data.message
       : msg
     : error.message
     ? error.message
     : msg
   errorMessages = removeLastEndOfLine(errorMessages)
-  errorMessages = removeErrorDot(errorMessages)
+  errorMessages = replaceInternalDots(errorMessages)
   context.commit(
     ROOT_STORE.MUTATIONS.SET_ERROR_MESSAGES,
     errorMessages.includes('\n')
diff --git a/fittrackee_client/tests/unit/utils/files.spec.ts b/fittrackee_client/tests/unit/utils/files.spec.ts
new file mode 100644
index 00000000..63ee904b
--- /dev/null
+++ b/fittrackee_client/tests/unit/utils/files.spec.ts
@@ -0,0 +1,61 @@
+import { assert } from 'chai'
+
+import { getReadableFileSize } from '@/utils/files'
+
+describe('getReadableFileSize (as text)', () => {
+  const testsParams = [
+    {
+      description: 'returns 0 bytes if provided file size is 0',
+      inputFileSize: 0,
+      expectedReadableFileSize: '0 bytes',
+    },
+    {
+      description: 'returns 1.0KB if provided file size is 1024',
+      inputFileSize: 1024,
+      expectedReadableFileSize: '1.0KB',
+    },
+    {
+      description: 'returns 43.5MB if provided file size is 45654654',
+      inputFileSize: 45654654,
+      expectedReadableFileSize: '43.5MB',
+    },
+  ]
+
+  testsParams.map((testParams) => {
+    it(testParams.description, () => {
+      assert.equal(
+        getReadableFileSize(testParams.inputFileSize, true),
+        testParams.expectedReadableFileSize
+      )
+    })
+  })
+})
+
+describe('getReadableFileSize (as object)', () => {
+  const testsParams = [
+    {
+      description: 'returns 0 bytes if provided file size is 0',
+      inputFileSize: 0,
+      expectedReadableFileSize: { size: '0', suffix: 'bytes' },
+    },
+    {
+      description: 'returns 1.0KB if provided file size is 1024',
+      inputFileSize: 1024,
+      expectedReadableFileSize: { size: '1.0', suffix: 'KB' },
+    },
+    {
+      description: 'returns 43.5MB if provided file size is 45654654',
+      inputFileSize: 45654654,
+      expectedReadableFileSize: { size: '43.5', suffix: 'MB' },
+    },
+  ]
+
+  testsParams.map((testParams) => {
+    it(testParams.description, () => {
+      assert.deepEqual(
+        getReadableFileSize(testParams.inputFileSize, false),
+        testParams.expectedReadableFileSize
+      )
+    })
+  })
+})