Geoffrey

Since WordPress 4.5, that feature is included in the Core. You don’t need this plugin anymore. Thank you all for support.
Adds the possibility for users to log in with its email address OR its username. 
Uses native WordPress functions. 
Lightweight plugin, no options, just activate it and it works!
Please, use the support forum to tell me bugs encountered, before rating the plugin. Be patient, it’s free, remember it 😉
Languages available:
<ul>
<li>Deutsch</li>
<li>English</li>
<li>French</li>
<li>Spanish</li>
<li>Russian</li>
</ul>
<h3>Other plugins</h3>
Find my plugins at <a href="https://profiles.wordpress.org/creativejuiz/" rel="nofollow ugc">https://profiles.wordpress.org/creativejuiz/</a>

Juiz User Log-in by email

Allows users log in with its email address OR its username

Pathhan

fkfaisalkhan007

mohammadhanif

zish

Sharik Khan

Alexander

FARAZFRANK

A WP Life

Login Page Customizer lets you design a custom WordPress login page using the native WordPress Customizer. All changes appear in real-time, so you can see exactly how your login page will look before saving.
View Pro Login Page Templates: <a href="https://awplife.com/demo/customizer-login-page-premium/" rel="nofollow ugc">Customizer Login Page Premium Demo</a> 
Learn More About Pro: <a href="https://awplife.com/wordpress-plugins/customizer-login-page-premium/" rel="nofollow ugc">Customizer Login Page Premium Features</a> 
Get Pro: <a href="https://awplife.com/account/signup/customizer-login-page-premium" rel="nofollow ugc">Buy Customizer Login Page Premium</a>
This plugin works directly within the WordPress Customizer interface. You don’t need any coding knowledge to use it. Simply navigate to Appearance > Customize, and you’ll find all the login page options organized in easy-to-use panels.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/leIKM10deIY?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
<h3>What You Can Customize</h3>
Logo Settings
<ul>
<li>Upload your own logo image</li>
<li>Adjust logo height and width</li>
<li>Set custom logo link URL</li>
<li>Control logo margins and positioning</li>
</ul>
Background Options
<ul>
<li>Set a background image from your media library</li>
<li>Choose solid background colors</li>
<li>Create gradient backgrounds with custom angles</li>
<li>Control image repeat, size, and position</li>
</ul>
Login Form Styling
<ul>
<li>Customize outer and inner form dimensions</li>
<li>Set form background colors or images</li>
<li>Add borders with custom colors and styles</li>
<li>Apply shadow effects to forms</li>
<li>Reposition forms anywhere on the page</li>
</ul>
Input Fields and Labels
<ul>
<li>Change input field colors and dimensions</li>
<li>Customize label text colors and alignment</li>
<li>Choose from Google Fonts for label text</li>
<li>Modify default label text</li>
</ul>
Button Design
<ul>
<li>Set button colors for normal and hover states</li>
<li>Adjust button size and padding</li>
<li>Add custom border styles</li>
<li>Control button alignment and shadows</li>
</ul>
Links and Messages
<ul>
<li>Customize “Lost Password” link appearance</li>
<li>Style the “Back to” link</li>
<li>Modify login, logout, and error messages</li>
<li>Design the message and error notification boxes</li>
</ul>
Additional Options
<ul>
<li>Add custom footer text and copyright</li>
<li>Insert custom CSS for advanced styling</li>
<li>Add custom JavaScript if needed</li>
<li>Export and import your settings</li>
</ul>
<h3>Predesigned Templates</h3>
The plugin includes ready-made presets created by professional designers. These templates help you get started quickly, and you can customize them further to match your brand.
<h3>Free vs Pro Features</h3>
Free Version Includes:
<ul>
<li>Page title customization</li>
<li>Logo upload and basic positioning</li>
<li>Background image and solid colors</li>
<li>Outer and inner form styling</li>
<li>Input field and label customization</li>
<li>Button color and size options</li>
<li>Link styling (Lost Password, Back to)</li>
<li>Message and error box design</li>
<li>Footer text customization</li>
<li>Custom CSS and JS fields</li>
<li>Export/Import settings</li>
<li>Basic presets</li>
</ul>
Pro Version Adds:
<ul>
<li>18+ professionally designed presets</li>
<li>Video background support</li>
<li>Advanced gradient options with multiple color stops</li>
<li>Full Google Fonts library access</li>
<li>Advanced shadow controls</li>
<li>Form repositioning with X/Y axis control</li>
<li>Password field eye icon positioning</li>
<li>Priority email support</li>
</ul>

Login Page Customizer

Customize your WordPress login page with live preview. Change logo, background, colors, forms, and buttons easily using the native Customizer.

Juiz User Log-in by email vs Login Page Customizer