PDFs are great for preserving layout. They're terrible for almost everything else. You can't paste a PDF into a slide deck. You can't set one as a desktop background. You can't upload one as a product image on Shopify. For all of those tasks, you need a raster image — usually JPG.
Converting PDF pages to JPG sounds simple, but the output quality depends entirely on a few decisions you make before you hit "convert." Get the resolution wrong and your printed flyer looks like it was faxed in 1997. Get the color space wrong and your carefully chosen brand blue shifts to purple on press. This guide covers the settings that matter and when each one applies.
Resolution: the single most important setting
When you convert a PDF page to a JPG, you're rasterizing vector content. Text, shapes, and line art in the PDF are mathematically described — they have no inherent pixel dimensions. The resolution you choose during conversion determines how many pixels the output image gets.
Resolution is measured in DPI (dots per inch). An 8.5 × 11 inch PDF page rendered at 72 DPI produces a 612 × 792 pixel image. The same page at 300 DPI produces a 2550 × 3300 pixel image — roughly 17 times more pixels. More pixels means more detail, but also a larger file.
72 DPI — screen thumbnails
72 DPI matches the original Macintosh screen resolution and became the de facto web standard. At this resolution, an A4 page is roughly 595 × 842 pixels. That's fine for a thumbnail or a quick preview in a chat message, but text smaller than 14pt will start to look fuzzy. If anyone needs to read the content, 72 DPI isn't enough.
150 DPI — general screen use
150 DPI is the sweet spot for images that will only be viewed on screens. An A4 page becomes about 1240 × 1754 pixels — large enough to be readable at full zoom on a 1080p monitor, small enough that file sizes stay reasonable (typically 200–500KB per page at JPEG quality 80). Use 150 DPI when you're converting a PDF to images for embedding in a PowerPoint, posting on a website, or sharing in Slack.
300 DPI — the print standard
300 DPI is the baseline for commercial print. At this resolution, individual dots are smaller than the human eye can distinguish at a normal reading distance (about 12 inches). An A4 page at 300 DPI is 2480 × 3508 pixels. File sizes jump — expect 500KB to 2MB per page depending on content and JPEG quality. Use 300 DPI whenever the JPG might be printed: posters, handouts, flyers, packaging mockups, photo books.
600 DPI — when 300 isn't enough
600 DPI is rarely necessary but matters in a few cases: fine art reproduction, documents with very small text (like legal fine print or engineering drawings), and archival digitization where you want to future-proof the output. An A4 page at 600 DPI is 4960 × 7016 pixels and each page can be 3–8MB. Only go this high if you have a specific reason.
JPEG quality: the other half of the equation
DPI controls how many pixels you get. JPEG quality controls how faithfully those pixels are stored. JPEG is a lossy format — it reduces file size by discarding visual information that (ideally) the human eye won't notice. The quality setting, usually expressed as a number from 1 to 100, controls how much information is thrown away.
- Quality 90–100: Minimal compression. Almost indistinguishable from the original. File sizes are large. Use this when you need to preserve fine detail in photographs or when the JPG will undergo further editing (each re-save introduces more loss).
- Quality 75–85: The practical sweet spot. Files are 3–5x smaller than quality 100, and differences are invisible at normal viewing distance. This is the right default for most conversions.
- Quality 50–70: Noticeable artifacts appear around sharp edges — text, line art, and high-contrast boundaries show ringing and blockiness. Acceptable for thumbnails or situations where file size is the priority.
- Below 50:Aggressive compression. Only use this for tiny preview images where readability doesn't matter.
A common mistake: setting DPI to 300 but quality to 60. You get a large image with lots of pixels, but each pixel is stored poorly. The file is bigger than a 150 DPI / quality 85 version and looks worse. Match your quality setting to your DPI — if you're going high-res for print, use high quality too.
Color spaces: RGB vs CMYK
PDFs can contain images and vector art in different color spaces. The two that matter for conversion are RGB and CMYK.
RGB (Red, Green, Blue) is the color model for screens. Every monitor, phone, and tablet displays color by mixing red, green, and blue light. When you convert a PDF to JPG for web or screen use, RGB is what you want.
CMYK(Cyan, Magenta, Yellow, Key/Black) is the color model for commercial printing. Print shops lay down four ink layers to produce color. CMYK has a smaller color gamut than RGB — some vivid blues, greens, and oranges that look great on screen simply can't be reproduced with ink. This is why colors sometimes look "duller" in print.
Most PDF-to-JPG converters output RGB by default, which is correct for screen use. If your original PDF was designed for print and contains CMYK data, the conversion to RGB may shift some colors. This usually isn't a problem — you're converting to JPG because you want the image on a screen, and RGB is the right space for that. But if you're converting a print-ready PDF to JPGs for proofing, be aware that the screen preview won't perfectly match the printed result. That's a fundamental limitation of screens, not a conversion error.
ICC profiles
ICC profiles are embedded color calibration data that describe how colors in the document should be interpreted. A PDF might include an sRGB profile, an Adobe RGB profile, or a printer-specific CMYK profile. When converting to JPG, most tools strip or convert these profiles to sRGB, which is the standard for web images. This is usually fine. If you need color-accurate conversions for professional photography or prepress proofing, use a tool that lets you specify the target ICC profile — Adobe Acrobat or ImageMagick with the-profile flag.
Use cases and recommended settings
Embedding PDF pages in a slide deck
You have a chart or table in a PDF and need it in PowerPoint or Google Slides. Convert at 150 DPI, JPEG quality 85. The image will look sharp on a projector (which typically runs at 1024×768 or 1920×1080) without bloating your presentation file. If the slide will be printed as a handout, bump to 200 DPI.
Printing a PDF page as a photo or poster
Convert at 300 DPI minimum, JPEG quality 90+. If the output will be printed larger than the original page size (e.g., an A4 PDF printed on A2 paper), you're effectively halving the DPI — so start at 600 DPI to compensate. Send the file to print as-is without resizing in the print dialog; let the printer handle scaling.
Uploading PDF pages to a website or e-commerce platform
150 DPI, JPEG quality 80. Web images need to load fast — a 2MB hero image will hurt your page speed score. For product images where detail matters (art prints, document templates, maps), 200 DPI and quality 85 is a reasonable upper bound. Run the output through an image optimizer (Squoosh, ImageOptim) if file size still needs to drop.
Archiving or digitizing documents
300 DPI minimum, quality 90+. If storage isn't a constraint, consider PNG instead of JPEG for text-heavy documents — PNG is lossless and handles sharp text edges better than JPEG. For mixed content (photos and text), JPEG at quality 95 and 300 DPI is a practical compromise.
Social media sharing
Social platforms recompress every image you upload, so there's no point in uploading at maximum quality — the platform will degrade it anyway. Convert at 150 DPI, quality 85. The image will be high enough resolution to look clean after the platform's recompression pass. Higher DPI just means a longer upload and the same final quality.
Page-by-page vs single-page conversion
A PDF can have hundreds of pages. Converting the whole thing produces one JPG per page. For a 50-page document, that's 50 files — manageable but annoying to handle individually. Most tools (including our PDF to JPG converter) package multi-page output into a ZIP file for convenience.
If you only need specific pages, extract them first using a page extraction tool, then convert the extracted pages. This saves processing time and avoids generating images you don't need.
Common problems
Text looks blurry
The resolution is too low. Text needs at least 150 DPI to remain crisp on screen and 300 DPI for print. If you're already at a reasonable DPI and text still looks soft, check the JPEG quality — heavy compression adds ringing artifacts around letterforms.
Colors look wrong
The PDF likely contains CMYK color data that was converted to RGB during export. Some converters handle this better than others. If accuracy matters, use a tool with explicit color management (Acrobat, ImageMagick) and specify the source and target profiles. For casual use, the shift is usually minor and most people won't notice.
Transparent backgrounds turned white (or black)
JPEG doesn't support transparency. If your PDF has pages with transparent backgrounds (common in vector graphics exported from Illustrator), the conversion will flatten them onto a solid background — usually white, sometimes black depending on the tool. If you need transparency, export to PNG instead.
File sizes are enormous
High DPI + high quality = large files. An A4 page at 600 DPI and quality 95 can easily be 5–8MB. Before reducing quality or DPI, check whether the output dimensions actually match your needs. A 600 DPI conversion of a business card PDF is overkill if you're posting it on Instagram — 150 DPI will produce a perfectly sharp image at a fraction of the size.
Converting with MakeMyPDF
Our PDF to JPG tool runs entirely in your browser — no upload, no server, no waiting. Drop a PDF, choose your quality setting, and download the output as individual JPGs or a single ZIP. The conversion uses pdfjs-dist to render each page to a canvas element, then exports the canvas as a JPEG. For most documents, the default settings produce clean output that works for both screen use and everyday printing.
For specialized needs — 600 DPI archival scans, CMYK-aware conversion, or batch processing thousands of files — a command-line tool like ImageMagick or Ghostscript gives you full control. But for the typical case of turning a few PDF pages into shareable images, a browser-based tool gets the job done in seconds.