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Problemas guardar jpg en alta resolución

New Here ,
Apr 07, 2018 Apr 07, 2018

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Buenas tardes. Espero que me puedan ayudar. Quiero guardar un archivo que en tamaño de imagen tiene 300 dpi y un peso de 7,8 MB y cuando doy a guardar como jpg, me baja automáticamente la resolución a 72 dpi y un peso de 400 KB. No me aparece con la calidad original. Así que sólo me deja guardar archivos en baja resolución. ¿Cuál es la razón de ello y cómo puedo solucionarlo? Muchas gracias. Un saludo.

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Community Expert ,
Apr 07, 2018 Apr 07, 2018

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Use a regular "Save As" - not "Export" or "Save For Web".

What are the pixel dimensions of the file? The jpeg format uses data compression to dramatically reduce file size in kB/MB. The final file size depends on image content and compression level.

The pixels per inch number (it's ppi, not dpi by the way), has no relevance for file quality. It's a print parameter for deciding how thinly to spread your pixels out on paper, thus determining how big it will print. The file itself is not affected by that.

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New Here ,
Apr 07, 2018 Apr 07, 2018

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Thank you very much for your answer. I'm using "Save as" but it's not working as it should be.

The pixel dimensions of the file are 1650 px x 1650 px. It's strange because my MAC save the document reducing dramatically the size of the archive. I can't save any document with more than 1 MB.  When I open this archive with my photoshop, now still having high resolution, but If I upload it to a webdite for printing, the image is pixelated. I don't know why.

Maybe, what I've learnt is not right. I learnt that a small size of the archive in KB means low resolution.

With DPI, I was saying Dots Per  Inch   .

thank you for your help. Kind regards.

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New Here ,
Oct 07, 2022 Oct 07, 2022

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Me pasa lo mismo , lo arreglaste?

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