Comprimir imagen

Compress the selected image to reduce its data size and resize the image in the document.

Image compression is a type of data compression applied to digital images, to reduce storage size or transmission time. Compression may take advantage of visual perception and the statistical properties of image data to preserve information quality.

Image compression can be lossless or lossy. Lossless compression allows the original image to be perfectly reconstructed from the compressed data. By contrast, lossy compression permits reconstruction only of an approximation of the original image, therefore with some loss of quality, though usually with improved compression rates (and therefore reduced file sizes).

Para acceder a esta orden…

Select the image, choose Format - Image - Compress...

Select the image, open the context menu and choose Compress...


Cuadro de diálogo Comprimir imagen

Compresión

Calidad de JPEG

Use the slider to adjust the level of quality of the JPEG compression, from 0 to 100. A value of 100 means no quality loss and a value of 0 may result in a very poor image. The default value of 90 produces very good results and significant image data size reduction.

Icono de nota

The compression values are not standardized between different JPEG image compression software.


Compresión de PNG

Since PNG compression is lossless, the main reason to use a compression factor less than 9 is when there is absolute need to reduce the size of the document when saving in a slow computer. The uncompress operation does not depend on the compression level.

Resolución

Reducir resolución de imagen

Marque la opción para modificar las dimensiones de la imagen comprimida.

Anchura, Altura

Utilice los botones incrementables para establecer la anchura y la altura nuevas de la imagen comprimida.

Resolución

Seleccione la densidad de píxeles (punto por pulgada, ppp) de la imagen en la lista desplegable.

Interpolación

Seleccione el algoritmo para calcular los píxeles interpolados.

Información de la imagen

Calcular tamaño nuevo

Pulse en este botón para calcular el tamaño de los datos de la imagen en función de las configuraciones del cuadro de diálogo.

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