Conversion Pdf En Jpeg
How the JPEG quality setting works, and how to pick a resolution that fits where the picture is going.
Open the PDF in a desktop editor, choose Export → JPEG, then set two numbers before saving: resolution and quality. Resolution controls how many pixels each page gets, while quality controls how hard JPEG compresses them. Both settings raise the file size, and both can be changed at any time by exporting again.
Steps
- Decide the destination first — a web page, a slide deck and a printed flyer each need a different pixel count. Choosing this up front avoids exporting twice.
- Set the resolution — roughly 150 dpi covers screens and slides, while print work usually wants 300 dpi or more. The file size grows faster than the resolution does.
- Leave quality high unless size matters — the quality slider trades sharpness for bytes. Drop it only when files must be small, and check small text afterwards.
- Compare one page before the batch — export a single page at your chosen settings and inspect it, then apply the same settings to the whole document.
Frequently Asked Questions
What resolution is actually enough?
For a picture viewed on a monitor, 150 dpi is usually indistinguishable from higher settings. Anything intended for paper wants at least 300 dpi, because printed dots are far denser than screen pixels.
Why did my file size explode?
Resolution and quality multiply together. Doubling the resolution quadruples the pixel count, and a high quality setting then stores all of those pixels with little compression, so the two changes compound quickly.
Is JPEG the same as JPG?
Yes, they are the same format with two spellings. The three-letter version exists only because older Windows software expected three-character file extensions, and nothing about the image data differs.
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