Kastavo

PDF to JPG

Upload a PDF, choose which pages to convert and the resolution, and download the generated JPG images.

Your files never leave your device. This tool downloads a component the first time you use a feature; after that, it works without internet.

How it works

Each page is drawn as an image by the PDF reader built into the tool. At 1x the image has 72 points per inch, or 1 pixel per point; the recommended scale, 2x, gives 144 dpi: an A4 page becomes an image of about 1,191 × 1,684 pixels. At 3x (216 dpi) text is sharper, but the file is larger. If you convert more than one page, the JPGs are bundled into a ZIP. JPG has no transparency, so the page background is painted white. Compression quality is fixed at 92%, high and suited to text and photos in most cases. For pages with fine text or diagrams, PNG keeps more sharpness.

Frequently asked questions

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