Is there Any Way I Can Change the Date Created And Modified Data of A?

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Is there any way I can change the date created and modified data of a JPEG or PDF file online without downloading a program?

Depending on the contents of the PDF file, saving a PDF file as a JPEG file without some loss in quality will not be physically possible. That’s because text and line art are stored in a PDF file in vector format, while JPEG files are in raster format. When you zoom in on a raster format image, you will quickly get to a zoom level where you see the individual pixels. However, when you zoom in on a vector format object, you will never see the individual pixels blow up because a zoomed vector format image is regenerated at ever higher detail at every zoom level. However, photographic images stored in a PDF file are stored in raster format, so you can convert the images in the PDF file without losing their quality if you chose the right settings. The best you can do is select a high enough “dots per inch” (dpi) setting so that at the individual pixels won’t be visible at the size you need to display or print the image. On the better conversion programs you can also choose a JPEG quality level. Choose a very high level to get the best quality, but a much higher file size. Where and how you change these settings varies with the application you use. See How do I convert PDF files to jpeg? to see the variety of options you have for this conversion on various operating systems. On my computer, a MacOS, this is easy. All you need is the included PDF viewing application, Preview. After opening your PDF file in Preview (the default application when you double click on a PDF file), view the page you want to save as an image and select Export… from the File menu. On the popup window where you set the file name and folder, chose JPEG as the format, then set the Quality and Resolution settings as desired. [Question answered. How do you save a PDF as a JPEG without losing quality?]

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As a side effect of changing the quality or resolution of the image, the PDF file will be regenerated at each zoom level. See How can I change the quality of an image in Adobe Acrobat Reader? On a Macintosh, it is different. When you double-click on a PDF that you want to save as a JPEG file, Adobe Acrobat Reader will tell you that PDFs may not be saved in JPEG format. If you choose a quality level that is too low or too high, Adobe Acrobat Reader automatically changes your quality and resolution settings automatically until you select the correct setting. When you choose the correct settings, Adobe Acrobat Reader will automatically convert the PDF file to JPEG without any loss in quality. If you want to save your PDF as JPEG, download one of the free Adobe Acrobat PDF reader programs listed below and download a.