vcf-password-strength | Vaadin

Component for visualisation of password's strength


Gitter npm version Published on Vaadin Directory

<vcf-password-strength> is a Web Component providing a strength indicator for a password field.

GIF of Vaadin Component Factory password strength

Live demo ↗


Install vcf-password-strength:

npm i @vaadin-component-factory/vcf-password-strength --save


Once installed, import it in your application:

import '@vaadin-component-factory/vcf-password-strength';

Add <vcf-password-strength> element to the page.

<vcf-password-strength strength="3"></vcf-password-strength>

Running demo

  1. Fork the vcf-password-strength repository and clone it locally.

  2. Make sure you have npm installed.

  3. When in the vcf-password-strength directory, run npm install to install dependencies.

  4. Run npm start to open the demo.

Server-side API

This is the client-side (Polymer 3) web component. If you are looking for the server-side (Java) API for the Vaadin Platform, it can be found here: Password Strength

Vaadin Prime

This component is available in the Vaadin Prime subscription. It is still open source, but you need to have a valid CVAL license in order to use it. Read more at: Pricing


Commercial Vaadin Add-on License version 3 (CVALv3). For license terms, see: LICENSE

Vaadin collects development time usage statistics to improve this product. For details and to opt-out, see: Vaadin Usage Statistics


Link to this version
ImportedReleased 08 January 2020Other
Framework Support
Polymer 3.0+
Also supported:
Polymer 2 (1.1.0)
Browser Independent
Install with
npm install @vaadin-component-factory/vcf-password-strength"@1.0.1"
Run the above npm command in your project folder. If you have any issues installing, please contact the author.
Release notes - Version 1.0.1


  • @polymer/polymer#^3.0.0
  • @vaadin/vaadin-element-mixin#^2.1.3
  • @vaadin/vaadin-license-checker#^2.1.2
  • @vaadin/vaadin-lumo-styles#^1.5.0
  • @vaadin/vaadin-themable-mixin#^1.4.4