Higher scale means clearer but increases processing time and memory usage
Please select PDF and click generate preview
About PDF to Long Image Tool
PDF to Long Image is a professional online document conversion tool that can quickly convert multi-page PDF files into continuous long image formats. Whether it's product introductions, academic papers, reports, or e-books, you can convert them into long image formats suitable for social media sharing with one click.
This tool uses advanced browser-based local processing technology. All PDF files are rendered and converted in the user's local browser without uploading to servers, maximizing document privacy and data security. Supports both vertical and horizontal stitching modes to meet different display needs.
Fast Conversion
Based on WebAssembly technology, browser processes PDF rendering locally. No waiting for upload/download, fast conversion speed, instant results.
Privacy & Security
Pure front-end processing, PDF files are not uploaded to any server, protecting your business secrets and personal privacy. Sensitive documents can be used with confidence.
HD Output
Supports up to 2x ultra-HD resolution output, preserving original document layout, fonts, and image details, generating professional-grade long images suitable for printing and display.
Use Cases & Benefits
Social Media Sharing: Convert PDF reports, proposals, or articles into long images for easy sharing on WeChat Moments, Weibo, Xiaohongshu, and other platforms. Users can scroll through complete content without downloading.
Mobile Reading Optimization: PDFs have poor reading experience on mobile phones. Converting to long images allows users to scroll up and down like browsing web pages, greatly improving mobile reading experience.
Document Preview Display: E-commerce platforms and content creators can convert product manuals and course materials into long images as preview images, protecting complete documents while letting potential customers understand content summaries.
Multi-format Support: Supports exporting PNG lossless format and JPG compressed format. PNG is suitable for design drafts with transparent elements, while JPG is suitable for text-based documents with smaller file sizes for easy sharing.