Preview every page as a thumbnail. Click to download as PNG.
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FusionPDF's thumbnail generator converts every page of a PDF into a small preview image directly in your browser. Get a quick visual overview of the document content, download individual page previews, or export all thumbnails as a ZIP archive — without uploading your PDF to any server.
Drop your PDF into the upload area. The tool renders each page using PDF.js and displays thumbnail previews in a grid. Choose the thumbnail size (small, medium, or large) and image format (JPG or PNG). Click Generate Thumbnails to download all previews as a ZIP file, or click individual thumbnails to download them separately.
Thumbnails are useful when you need a quick visual index of a multi-page document, when creating a document preview for a website or app, when preparing presentation slides showing a PDF overview, when checking page content without opening a full PDF viewer, or when selecting specific pages to share without revealing the whole document.
FusionPDF generates thumbnails entirely in your browser using PDF.js for rendering — your PDF never leaves your device. The tool is free, instant, and works without any account or installation. Thumbnails are generated at high quality and download individually or as a convenient ZIP archive.