name: lovstudio-pdf2png category: Document Conversion tagline: "PDF → single vertically concatenated PNG. Uses macOS CoreGraphics, ~20x faster than pdftoppm." description: > Convert PDF files to a single vertically concatenated PNG image using macOS native CoreGraphics. Each page is rendered at 2x scale and stitched top-to-bottom. ~20x faster than pdftoppm+ImageMagick, zero external dependencies on macOS. Trigger when the user mentions "pdf to png", "pdf转png", "PDF转图片", "pdf拼接", "pdf截图", "convert pdf to image", or wants to turn a multi-page PDF into one long PNG. license: MIT compatibility: > macOS only. Requires pyobjc-framework-Quartz (pip install pyobjc-framework-Quartz). Uses native CoreGraphics + AppKit via Python bridge. metadata: author: lovstudio version: "0.1.0" tags: pdf png macos coregraphics finder-action

pdf2png — PDF to Vertically Concatenated PNG

Convert multi-page PDF files into a single tall PNG image. All pages are rendered at 2x scale (Retina quality) and stitched vertically. Uses macOS CoreGraphics directly — no pdftoppm, no ImageMagick, no Ghostscript.

When to Use

• User wants to convert a PDF to a single PNG image
• User needs a long screenshot-style image of a PDF
• User wants to share PDF content as an image (WeChat, social media, etc.)

Workflow

Step 1: Identify PDF files

Locate the PDF file(s) the user wants to convert. Confirm the path(s).

Step 2: Execute

bash lovstudio-pdf2png/scripts/pdf2png.sh /path/to/file.pdf

Output: /path/to/file.png (same directory, same name, .png extension).

For multiple files:

bash lovstudio-pdf2png/scripts/pdf2png.sh file1.pdf file2.pdf file3.pdf

Step 3: Verify

Check the output file exists and report its size.

CLI Reference

Output is always <input>.png in the same directory as the input file.

Finder Quick Action

This skill can also be installed as a macOS Finder Quick Action for right-click conversion. See lovstudio/mac-pdf2png for the Automator workflow.

Dependencies

pip install pyobjc-framework-Quartz --break-system-packages