PDF Page Export — Batch PNG/JPEG at High DPI

2025.11.12

How to Use

  1. Choose a PDF from your device.
  2. Set page ranges (optional): like 1-3,5 (blank = all pages).
  3. Configure export:
    • DPI: 96 / 150 / 300 (higher = sharper & heavier).
    • Format: PNG (lossless) or JPEG (lossy, smaller).
    • Quality (JPEG only): 0.50–0.95 (default 0.85).
  4. Export: click Export → the progress bar advances; per-page preview + Download buttons appear.
  5. Batch save (optional): click ZIP Download to get pdf-pages.zip containing all outputs.

Outputs / Results

  • Per-page images with zero-padded names: page-001.png / page-001.jpg.
  • On-screen previews and individual download links.
  • Optional single ZIP with all generated images.

[Completely Free] Utility Tools & Work Support Tools

You can use practical tools like CSV formatting, PDF conversion, and ZIP renaming entirely in your browser, all for free. Each tool page clearly explains “How to use it”, “What the output looks like”, and “Important notes & caveats”, so even first-time users can start without confusion.

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Notes / Caveats

  • Rasterization: PDF vector/text is rendered to pixel images.
  • DPI scaling: rendering scale is DPI/72. 300dpi yields large files and higher memory/time usage.
  • PNG vs JPEG:
    • PNG: lossless, keeps alpha, larger size.
    • JPEG: lossy, quality slider applies, no alpha (transparent areas become white).
  • Metadata: Canvas re-encoding strips EXIF/ICC, minor color shifts possible.
  • Range syntax: commas for multiple parts; hyphens for ranges. Invalid fragments are ignored.
  • Heavy PDFs: many pages / high DPI can hit browser memory limits—export in chunks.
  • Password PDFs: not supported (no prompt).
  • CDN dependency: loads pdf.js 3.11.174 and JSZip 3.10.1 from CDNs; offline/CSP-blocked environments will fail.
  • Client-side only: files never leave the browser.
  • Progress bar: shows completion over the selected pages.
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