Saving every page of a PDF as a high-quality JPG
By the Converterzilla Team
We build privacy-first PDF and image tools that run entirely in your browser. Our team has shipped JavaScript file-processing apps used by thousands every day, and we write here about the libraries, trade-offs and patterns we use.
PDFs are great for documents, terrible for image embedding. Want to put a PDF page in a slide? Tweet it? Use it as a website thumbnail? You need it as JPG or PNG first.
Resolution matters
The default rendering at 1× scale produces ~72 DPI images — fine for thumbnails, blurry for anything else. Bump to 2× for screen quality, 3-4× for print. The trade-off: higher scale means bigger files and slower processing.
JPG vs PNG output
- JPG — smaller files, ideal for photos and complex content with gradients
- PNG — larger files, ideal for diagrams, charts, text-heavy pages where compression artifacts would be visible
One file per page
Multi-page PDFs convert to one image per page. Naming usually follows filename-page-01.jpg, filename-page-02.jpg — zero-padded so files sort correctly in a folder view.
Single combined image
Sometimes you want all pages stacked into one tall image (for a long-form preview). Most converters don't do this directly — you'd combine them after. Tools like ImageMagick can append, or you can build a multi-row layout in any image editor.
Our PDF to JPG tool renders each page at your chosen scale and downloads them sequentially. Works in your browser, no upload.