diff --git a/ui-ngx/src/app/core/auth/auth.models.ts b/ui-ngx/src/app/core/auth/auth.models.ts
index 607a2cb78d..79214f8210 100644
--- a/ui-ngx/src/app/core/auth/auth.models.ts
+++ b/ui-ngx/src/app/core/auth/auth.models.ts
@@ -25,6 +25,7 @@ export interface SysParamsState {
   tbelEnabled: boolean;
   persistDeviceStateToTelemetry: boolean;
   userSettings: UserSettings;
+  maxResourceSize: number;
 }
 
 export interface SysParams extends SysParamsState {
diff --git a/ui-ngx/src/app/core/auth/auth.reducer.ts b/ui-ngx/src/app/core/auth/auth.reducer.ts
index c0ce66e990..6e51e4ca62 100644
--- a/ui-ngx/src/app/core/auth/auth.reducer.ts
+++ b/ui-ngx/src/app/core/auth/auth.reducer.ts
@@ -29,6 +29,7 @@ const emptyUserAuthState: AuthPayload = {
   hasRepository: false,
   tbelEnabled: false,
   persistDeviceStateToTelemetry: false,
+  maxResourceSize: 0,
   userSettings: initialUserSettings
 };
 
diff --git a/ui-ngx/src/app/core/auth/auth.selectors.ts b/ui-ngx/src/app/core/auth/auth.selectors.ts
index 4bf2f2276d..cbfd43cff3 100644
--- a/ui-ngx/src/app/core/auth/auth.selectors.ts
+++ b/ui-ngx/src/app/core/auth/auth.selectors.ts
@@ -72,6 +72,11 @@ export const selectPersistDeviceStateToTelemetry = createSelector(
   (state: AuthState) => state.persistDeviceStateToTelemetry
 );
 
+export const selectMaxResourceSize = createSelector(
+  selectAuthState,
+  (state: AuthState) => state.maxResourceSize
+);
+
 export const selectUserSettings = createSelector(
   selectAuthState,
   (state: AuthState) => state.userSettings
diff --git a/ui-ngx/src/app/modules/home/components/vc/repository-settings.component.html b/ui-ngx/src/app/modules/home/components/vc/repository-settings.component.html
index f510217d39..149b10e227 100644
--- a/ui-ngx/src/app/modules/home/components/vc/repository-settings.component.html
+++ b/ui-ngx/src/app/modules/home/components/vc/repository-settings.component.html
@@ -80,8 +80,7 @@
               </mat-form-field>
             </section>
             <section [fxShow]="repositorySettingsForm.get('authMethod').value === repositoryAuthMethod.PRIVATE_KEY" fxLayout="column">
-              <tb-file-input style="margin-bottom: 16px;"
-                             [existingFileName]="repositorySettingsForm.get('privateKeyFileName').value"
+              <tb-file-input [existingFileName]="repositorySettingsForm.get('privateKeyFileName').value"
                              required
                              formControlName="privateKey"
                              dropLabel="{{ 'admin.drop-private-key-file-or' | translate }}"
diff --git a/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.html b/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.html
index f955d26f0d..09fa714c24 100644
--- a/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.html
+++ b/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.html
@@ -69,7 +69,9 @@
       <tb-file-input *ngIf="isAdd || (isEdit && entityForm.get('resourceType').value === resourceType.JS_MODULE)"
         formControlName="data"
         required
+        label="{{ (entityForm.get('resourceType').value === resourceType.LWM2M_MODEL ? 'resource.resource-files' : 'resource.resource-file') | translate }}"
         [readAsBinary]="true"
+        [maxSizeByte]="maxResourceSize"
         [allowedExtensions]="getAllowedExtensions()"
         [contentConvertFunction]="convertToBase64File"
         [accept]="getAcceptType()"
diff --git a/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.ts b/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.ts
index 19e4ed03ea..6d37a2e7f4 100644
--- a/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/admin/resource/resources-library.component.ts
@@ -16,7 +16,7 @@
 
 import { ChangeDetectorRef, Component, Inject, OnDestroy, OnInit } from '@angular/core';
 import { Subject } from 'rxjs';
-import { Store } from '@ngrx/store';
+import { select, Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
 import { TranslateService } from '@ngx-translate/core';
 import { EntityTableConfig } from '@home/models/entity/entities-table-config.models';
@@ -29,9 +29,10 @@ import {
   ResourceTypeMIMETypes,
   ResourceTypeTranslationMap
 } from '@shared/models/resource.models';
-import { filter, startWith, takeUntil } from 'rxjs/operators';
+import { filter, startWith, take, takeUntil } from 'rxjs/operators';
 import { ActionNotificationShow } from '@core/notification/notification.actions';
 import { isDefinedAndNotNull } from '@core/utils';
+import { selectMaxResourceSize } from '@core/auth/auth.selectors';
 
 @Component({
   selector: 'tb-resources-library',
@@ -43,6 +44,8 @@ export class ResourcesLibraryComponent extends EntityComponent<Resource> impleme
   readonly resourceTypes: ResourceType[] = Object.values(this.resourceType);
   readonly resourceTypesTranslationMap = ResourceTypeTranslationMap;
 
+  maxResourceSize = 0;
+
   private destroy$ = new Subject<void>();
 
   constructor(protected store: Store<AppState>,
@@ -52,6 +55,11 @@ export class ResourcesLibraryComponent extends EntityComponent<Resource> impleme
               public fb: FormBuilder,
               protected cd: ChangeDetectorRef) {
     super(store, fb, entityValue, entitiesTableConfigValue, cd);
+    this.store.pipe(select(selectMaxResourceSize)).pipe(
+      take(1)
+    ).subscribe(maxResourceSize => {
+      this.maxResourceSize = maxResourceSize;
+    });
   }
 
   ngOnInit() {
diff --git a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html
index 3545a63018..512ea2c6f0 100644
--- a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html
+++ b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html
@@ -120,6 +120,7 @@
           <tb-file-input
             formControlName="file"
             workFromFileObj="true"
+            label="{{ 'ota-update.package-file' | translate }}"
             [required]="!entityForm.get('isURL').value"
             dropLabel="{{'ota-update.drop-package-file-or' | translate}}">
           </tb-file-input>
diff --git a/ui-ngx/src/app/shared/components/file-input.component.html b/ui-ngx/src/app/shared/components/file-input.component.html
index 398f78451d..4861114b76 100644
--- a/ui-ngx/src/app/shared/components/file-input.component.html
+++ b/ui-ngx/src/app/shared/components/file-input.component.html
@@ -16,7 +16,7 @@
 
 -->
 <div class="tb-container">
-  <label class="tb-title"
+  <label class="tb-title" *ngIf="label"
          [class.tb-required]="!disabled && required"
          [class.pointer-event]="hint"
          tb-hint-tooltip-icon="{{ hint }}">{{ label }}
@@ -38,7 +38,7 @@
            flowDrop
            [flow]="flow.flowJs">
         <div class="upload-label">
-          <mat-icon>cloud_upload</mat-icon>
+          <mat-icon class="tb-mat-32">cloud_upload</mat-icon>
           <span>{{ dropLabel }}</span>
           <button type="button" mat-button color="primary" class="browse-file">
             <label
@@ -50,9 +50,10 @@
       </div>
     </div>
   </ng-container>
-</div>
-<div>
-  <tb-error *ngIf="!fileName && required && requiredAsError" error="{{ noFileText | translate }}"></tb-error>
-  <div *ngIf="!fileName && !requiredAsError" translate>{{ noFileText }}</div>
-  <div *ngIf="fileName">{{ fileName }}</div>
+  <div class="tb-file-info-container">
+    <tb-error *ngIf="!fileName && required && requiredAsError" class="tb-file-name" error="{{ noFileText | translate }}"></tb-error>
+    <div *ngIf="!fileName && !requiredAsError" class="tb-file-name" translate>{{ noFileText }}</div>
+    <div *ngIf="fileName" class="tb-file-name" [title]="fileName">{{ fileName }}</div>
+    <div *ngIf="maxSizeByte && !disabled" class="tb-file-hint" translate [translateParams]="{ size: maxSizeByte | fileSize }">dashboard.maximum-upload-file-size</div>
+  </div>
 </div>
diff --git a/ui-ngx/src/app/shared/components/file-input.component.scss b/ui-ngx/src/app/shared/components/file-input.component.scss
index e172abd6e9..8a3cc015a3 100644
--- a/ui-ngx/src/app/shared/components/file-input.component.scss
+++ b/ui-ngx/src/app/shared/components/file-input.component.scss
@@ -21,9 +21,13 @@ $previewSize: 100px !default;
 
   .tb-container {
     margin-top: 0;
+    padding: 0 0 16px;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
     label.tb-title {
       display: flex;
-      padding-bottom: 8px;
+      padding-bottom: 0;
     }
   }
 
@@ -78,19 +82,46 @@ $previewSize: 100px !default;
       text-align: center;
       .mat-icon {
         margin-right: 17px;
+        color: rgba(0,0,0,0.12);
       }
     }
   }
+
+  .tb-file-info-container {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    font-size: 13px;
+    font-style: normal;
+    line-height: 16px;
+    letter-spacing: normal;
+  }
+
+  .tb-file-name {
+    color: rgba(0, 0, 0, 0.54);
+    font-weight: 500;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .tb-file-hint {
+    color: rgba(0, 0, 0, 0.38);
+    font-weight: 400;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
 }
 
 :host ::ng-deep {
-  button.browse-file {
+  button.mat-mdc-button.mat-mdc-button-base.browse-file {
     padding: 0;
+    min-width: 0;
+    height: 24px;
     font-size: 16px;
     label {
       display: block;
       cursor: pointer;
-      padding: 0 16px;
+      padding: 0 8px;
     }
   }
 
diff --git a/ui-ngx/src/app/shared/components/file-input.component.ts b/ui-ngx/src/app/shared/components/file-input.component.ts
index 8e70ca88ba..d55470f9fc 100644
--- a/ui-ngx/src/app/shared/components/file-input.component.ts
+++ b/ui-ngx/src/app/shared/components/file-input.component.ts
@@ -32,10 +32,12 @@ import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
 import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
 import { Subscription } from 'rxjs';
-import { coerceBooleanProperty } from '@angular/cdk/coercion';
 import { FlowDirective } from '@flowjs/ngx-flow';
 import { TranslateService } from '@ngx-translate/core';
 import { UtilsService } from '@core/services/utils.service';
+import { DialogService } from '@core/services/dialog.service';
+import { FileSizePipe } from '@shared/pipe/file-size.pipe';
+import { coerceBoolean } from '@shared/decorators/coercion';
 
 @Component({
   selector: 'tb-file-input',
@@ -73,43 +75,28 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
   dropLabel: string;
 
   @Input()
-  contentConvertFunction: (content: string) => any;
-
-  private requiredValue: boolean;
-
-  get required(): boolean {
-    return this.requiredValue;
-  }
+  maxSizeByte: number;
 
   @Input()
-  set required(value: boolean) {
-    const newVal = coerceBooleanProperty(value);
-    if (this.requiredValue !== newVal) {
-      this.requiredValue = newVal;
-    }
-  }
-
-  private requiredAsErrorValue: boolean;
+  contentConvertFunction: (content: string) => any;
 
-  get requiredAsError(): boolean {
-    return this.requiredAsErrorValue;
-  }
+  @Input()
+  @coerceBoolean()
+  required: boolean;
 
   @Input()
-  set requiredAsError(value: boolean) {
-    const newVal = coerceBooleanProperty(value);
-    if (this.requiredAsErrorValue !== newVal) {
-      this.requiredAsErrorValue = newVal;
-    }
-  }
+  @coerceBoolean()
+  requiredAsError: boolean;
 
   @Input()
+  @coerceBoolean()
   disabled: boolean;
 
   @Input()
   existingFileName: string;
 
   @Input()
+  @coerceBoolean()
   readAsBinary = false;
 
   @Input()
@@ -148,7 +135,9 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
 
   constructor(protected store: Store<AppState>,
               private utils: UtilsService,
-              public translate: TranslateService) {
+              private translate: TranslateService,
+              private dialog: DialogService,
+              private fileSize: FileSizePipe) {
     super(store);
   }
 
@@ -156,11 +145,22 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
     this.autoUploadSubscription = this.flow.events$.subscribe(event => {
       if (event.type === 'filesAdded') {
         const readers = [];
+        let showMaxSizeAlert = false;
         (event.event[0] as flowjs.FlowFile[]).forEach(file => {
-          if (this.filterFile(file)) {
+          if (!this.checkMaxSize(file)) {
+            showMaxSizeAlert = true;
+          } else if (this.filterFile(file)) {
             readers.push(this.readerAsFile(file));
           }
         });
+
+        if (showMaxSizeAlert) {
+          this.dialog.alert(
+            this.translate.instant('dashboard.cannot-upload-file'),
+            this.translate.instant('dashboard.maximum-upload-file-size', {size: this.fileSize.transform(this.maxSizeByte)})
+          ).subscribe(() => { });
+        }
+
         if (readers.length) {
           Promise.all(readers).then((files) => {
             files = files.filter(file => file.fileContent != null || file.files != null);
@@ -218,6 +218,10 @@ export class FileInputComponent extends PageComponent implements AfterViewInit,
     });
   }
 
+  private checkMaxSize(file: flowjs.FlowFile): boolean {
+    return !(this.maxSizeByte && this.maxSizeByte < file.size);
+  }
+
   private filterFile(file: flowjs.FlowFile): boolean {
     if (this.allowedExtensions) {
       return this.allowedExtensions.split(',').indexOf(file.getExtension()) > -1;
diff --git a/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.html b/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.html
index 7967d50eef..59b35e628c 100644
--- a/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.html
+++ b/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.html
@@ -35,6 +35,7 @@
                       label="{{'image.image-preview' | translate}}"
                       formControlName="file"
                       showFileName
+                      [maxSizeByte]="maxResourceSize"
                       [fileName]="data?.image?.fileName"
                       (fileNameChanged)="imageFileNameChanged($event)">
       </tb-image-input>
diff --git a/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.ts b/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.ts
index 841f64c883..f0d55022f6 100644
--- a/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.ts
+++ b/ui-ngx/src/app/shared/components/image/upload-image-dialog.component.ts
@@ -17,7 +17,7 @@
 import { Component, Inject, OnInit, SkipSelf } from '@angular/core';
 import { ErrorStateMatcher } from '@angular/material/core';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
-import { Store } from '@ngrx/store';
+import { select, Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
 import {
   FormGroupDirective,
@@ -31,6 +31,8 @@ import { DialogComponent } from '@shared/components/dialog.component';
 import { Router } from '@angular/router';
 import { ImageService } from '@core/http/image.service';
 import { ImageResourceInfo, imageResourceType } from '@shared/models/resource.models';
+import { selectMaxResourceSize } from '@core/auth/auth.selectors';
+import { take } from 'rxjs/operators';
 
 export interface UploadImageDialogData {
   image?: ImageResourceInfo;
@@ -51,6 +53,8 @@ export class UploadImageDialogComponent extends
 
   submitted = false;
 
+  maxResourceSize = 0;
+
   constructor(protected store: Store<AppState>,
               protected router: Router,
               private imageService: ImageService,
@@ -59,6 +63,11 @@ export class UploadImageDialogComponent extends
               public dialogRef: MatDialogRef<UploadImageDialogComponent, ImageResourceInfo>,
               public fb: UntypedFormBuilder) {
     super(store, router, dialogRef);
+    this.store.pipe(select(selectMaxResourceSize)).pipe(
+      take(1)
+    ).subscribe(maxResourceSize => {
+      this.maxResourceSize = maxResourceSize;
+    });
   }
 
   ngOnInit(): void {
diff --git a/ui-ngx/src/assets/locale/locale.constant-en_US.json b/ui-ngx/src/assets/locale/locale.constant-en_US.json
index e1ad56730c..08cecbc0cc 100644
--- a/ui-ngx/src/assets/locale/locale.constant-en_US.json
+++ b/ui-ngx/src/assets/locale/locale.constant-en_US.json
@@ -3511,6 +3511,7 @@
       "ota-update": "OTA update",
       "ota-update-details": "OTA update details",
       "ota-updates": "OTA updates",
+      "package-file": "Package file",
       "package-type": "Package type",
       "packages-repository": "Packages repository",
       "search": "Search packages",
@@ -3697,6 +3698,8 @@
         "no-resource-text": "No resources found",
         "open-widgets-bundle": "Open widgets bundle",
         "resource": "Resource",
+        "resource-file": "Resource file",
+        "resource-files": "Resource files",
         "resource-library-details": "Resource details",
         "resource-type": "Resource type",
         "resources-library": "Resources library",