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Modern Image Formats

Modern Image Formats

Por WordPress Performance Team
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Descripción

This plugin adds WebP and AVIF support for media uploads within the WordPress application. By default, AVIF images will be generated if supported on the hosting server, otherwise WebP will be used as the output format. When both formats are available, the output format can be selected under Settings > Media. Modern images will be generated only for new uploads, pre-existing images will only converted to a modern format if images are regenerated. Images can be regenerated with a plugin like Regenerate Thumbnails or via WP-CLI with the wp media regenerate command.

By default, only modern image format sub-sizes will be generated for JPEG or PNG uploads – only the original uploaded file will still exist as a JPEG/PNG image, generated image sizes will be WebP or AVIF files. To change this behavior, there is a checkbox in Settings > Media «Output fallback images» that – when checked – will result in the plugin generating both the original format as well as WebP or AVIF images for every sub-size (noting again that this will only affect newly uploaded images, i.e. after making said change).

This plugin was formerly known as WebP Uploads.

Instalación

Instalación desde WordPress

  1. Visita Plugins > Añadir nuevo.
  2. Search for Modern Image Formats.
  3. Install and activate the Modern Image Formats plugin.

Instalación manual

  1. Sube toda la carpeta webp-uploads al directorio /wp-content/plugins/.
  2. Visita Plugins.
  3. Activate the Modern Image Formats plugin.

FAQ

¿Dónde puedo enviar mis comentarios sobre el plugin?

Te animamos a que nos envíes tus comentarios, que son muy apreciados, sobre todo porque este plugin puede contener futuras funciones del núcleo de WordPress. Si tienes sugerencias o peticiones de nuevas funciones, puedes enviarlas como incidencia en el repositorio GitHub del Equipo de Rendimiento de WordPress. Si necesitas ayuda para solucionar problemas o tienes alguna pregunta sobre el plugin, crea un nuevo tema en nuestro foro de soporte.

¿Dónde puedo informar fallos de seguridad?

El equipo de Rendimiento y la comunidad WordPress se toman en serio los fallos de seguridad. Apreciamos tu esfuerzo para divulgar responsablemente tus hallazgos, y haremos todo lo posible para reconocer tus contribuciones.

Para informar de un problema de seguridad, visita el programa WordPress HackerOne.

¿Cómo puedo contribuir al plugin?

¡Las contribuciones son siempre bienvenidas! Obtén más información sobre cómo participar en el manual del equipo de Rendimiento.

He activado el módulo de Modern Image Formats, pero las imágenes WebP no siempre se generan cuando subo una imagen JPEG. ¿Por qué?

Hay dos razones principales por las que no se puede generar una imagen WebP:

  1. El plugin Modern Image Formats ha identificado que la versión WebP de la imagen JPEG subida tendría un tamaño de archivo mayor que la imagen JPEG original, por lo que no genera la versión WebP.
  2. La imagen JPEG no se subió a la biblioteca de medios. En este momento, las versiones WebP solo se generan para imágenes en la biblioteca de medios. Las versiones WebP no se generan para las imágenes JPEG que se añadan al sitio de otras maneras, como en un archivo de plantilla o en el personalizador.

Con el plugin Modern Image Formats activado, ¿el plugin generará versiones JPEG y WebP de cada imagen que suba?

Por defecto, el plugin Modern Image Formats solo generará versiones WebP de las imágenes que subas. Si deseas generar versiones WebP y JPEG, puedes navegar a Ajustes > Medios para activar la opción Generar archivos JPEG además de WebP.

Reseñas

Effective, but quite basic

27 de abril de 2025
It worked out-of-the-box with an WooCommerce with about 5000 images. I think it’s the best tool available, especially considering that it’s candidate to be added to the WP core. To be on par with other plugins, essential settings should be added, for example changing the compression level (82% by default) without using any script.

Have some rough edges still but largely successful in converting entire sites

22 de abril de 2025
Have this running on several websites, with legacy ones regenerating all images successfully. It’s the cleanest approach I’ve seen to maintaining an all AVIF (or WebP) image site. Two issues that I think have easy fixes: It allowed the ‘Force Regenerate Thumbnails’ plugin to convert existing WebP images to AVIF, none of which came out okay and needed manual replacement. Perhaps that was the regenerate plugin being too heavy handed, but it still shouldn’t happen. Adding the ability to exempt certain images or fields from conversion would be ideal. For instance, as several major social media platforms still don’t support AVIF, it would be great to be able to exempt Yoast Social Open Graph images or Feature Images (the default OG image).

A lot of problems

7 de marzo de 2025
There are a lot of issues that have led me to uninstall in production environment. It is not able to generate webp files with less weight than jpeg. Regenerate Thumbs can cause a serious problem if you check the wrong input. If you choose to save copy of original file, it will not generate the WEBP. Thanks for trying anyway WP team. PD: I think it is time to contribute to something that should be CORE for WP.

image type

4 de noviembre de 2024 4 respuestas
the images are compressed correctly but the type remains image/jpeg and I don’t know if this can lead to future problems

My website got broken

26 de octubre de 2024 1 respuesta
I hope I’m not the single one here with the same problem. My website images now not getting loaded properly. Need to refresh a couple of times to see pictures by picture. It shows that my pictures are missing and look like broken images (404 images not found). Now WordPress automatically .avif not .jpg as I upload my Pictures.P.S. I want to know if is a way do disable/uninstall this crap?

Doesn’t work

10 de octubre de 2024 1 respuesta
Just does not do anything. No message. No Error. Just not converting any images. Since there is also not a lot of documentation or community around this plugin I will give up and do this externally.
Leer todas las 16 reseñas

Colaboradores y desarrolladores

«Modern Image Formats» es un software de código abierto. Las siguientes personas han colaborado con este plugin.

Colaboradores

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Revisa el código , echa un vistazo al repositorio SVN o suscríbete al registro de desarrollo por RSS.

Registro de cambios

2.5.1

Bug Fixes

  • Fix Modern Image Format not cropping image if crop is an array. (1887)
  • Fix incorrect image size selection in PICTURE element. (1885)

2.5.0

Enhancements

  • Switch to wp_content_img_tag filter for improved image handling. (1772)

2.4.0

Enhancements

  • Automatically opt into 1536×1536 and 2048×2048 sizes when generating fallback images. (1679)
  • Convert WebP to AVIF on upload. (1724)
  • Enable end user opt-in to generate all sizes in fallback format. (1689)

2.3.0

Enhancements

  • Introduce webp_uploads_get_file_mime_type helper function. (1642)
  • Rename webp_uploads_get_file_mime_type to webp_uploads_get_attachment_file_mime_type to clarify scope. (1662)

Bug Fixes

  • Fix bug that would prevent uploaded images from being converted to the intended output format when having fallback formats enabled. (1635)

2.2.0

Enhancements

  • Convert uploaded PNG files to AVIF or WebP. (1421)

Bug Fixes

  • Account for responsive images being disabled when generating a PICTURE element. (1449)

2.1.0

Enhancements

  • Improve disabling checkbox for Picture Element on Media settings screen. (1470)

Bug Fixes

  • Add missing full size image in PICTURE > SOURCE srcset. (1437)
  • Correct the fallback image in PICTURE element. (1408)
  • Don’t wrap PICTURE element if JPEG fallback is not available. (1450)
  • Fix setting sizes attribute on PICTURE > SOURCE elements. (1354)
  • Remove string type hint from webp_uploads_sanitize_image_format() to prevent possible fatal error. (1410)

Documentation

  • Explain how to regenerate images in the Modern Image Formats readme. (1348)

2.0.2

Enhancements

  • I18N: Add context to Modern Image Formats section title. (1287)

Bug Fixes

  • Improve compatibility of styling picture elements. (1307)

2.0.1

Bug Fixes

  • Fix fatal error when another the_content filter callback returns null instead of a string. (1283)

2.0.0

Features

  • Add picture element support. (73)
  • Add AVIF image format support. Add setting for output image format to choose between WebP and AVIF. (1176)

Enhancements

  • Improve Settings->Media controls for Modern Image Formats. (1273)
  • Remove obsolete fallback script now that picture element is supported. (1269)

1.1.1

Enhancements

  • Prepend Settings link in webp-uploads. (1146)
  • Improve overall code quality with stricter static analysis checks. (775)
  • Bump minimum PHP requirement to 7.2. (1130)

Documentation

  • Updated inline documentation. (1160)

1.1.0

  • Add link to WebP settings to plugins table. (1036)
  • Rename plugin to «Modern Image Formats». (1101)
  • Use plugin slug for generator tag. (1103)
  • Delete option when uninstalling the Modern Image Formats plugin. (1116)
  • Bump minimum required WP version to 6.4. (1062)
  • Update tested WordPress version to 6.5. (1027)

1.0.5

  • Exclude «.wordpress-org» directory when deploying standalone plugins. (866)

1.0.4

  • Bump minimum required PHP version to 7.0 and minimum required WP version to 6.3. (851)

1.0.3

  • Add standalone plugin assets. (815)

1.0.2

  • Fix WebP handling when editing images based on WordPress 6.3 change. (796)

1.0.1

  • Bump tested up to version to 6.3. (772)

1.0.0

  • Lanzamiento inicial del plugin Modern Image Formats como plugin independiente. (664)

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