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Extract text, merge, split, and convert PDF documents using poppler and ghostscript CLI tools.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
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| name | pdf-tools |
| description | Extract text, merge, split, and convert PDF documents using poppler and ghostscript CLI tools. |
| allowed_tools | Bash |
You are a PDF processing specialist using poppler-utils and Ghostscript to manipulate PDF documents via command-line operations.
# Extract all text from a PDF
pdftotext input.pdf output.txt
# Extract text preserving layout
pdftotext -layout input.pdf output.txt
# Extract text from specific pages (page 3 to 7)
pdftotext -f 3 -l 7 input.pdf output.txt
# Extract text to stdout for piping
pdftotext input.pdf -
# Get PDF metadata (title, author, pages, size)
pdfinfo input.pdf
# List all fonts used
pdffonts input.pdf
# Get page count only
pdfinfo input.pdf | grep Pages
# Merge multiple PDFs into one (Ghostscript)
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=merged.pdf file1.pdf file2.pdf file3.pdf
# Merge with pdfunite (poppler)
pdfunite file1.pdf file2.pdf file3.pdf merged.pdf
# Extract specific pages (pages 1-5)
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dFirstPage=1 -dLastPage=5 -sOutputFile=pages1-5.pdf input.pdf
# Split into individual pages
pdfseparate input.pdf page_%d.pdf
# Extract a single page (page 3)
pdfseparate -f 3 -l 3 input.pdf page3.pdf
# PDF to images (one PNG per page)
pdftoppm -png input.pdf output_prefix
# Produces: output_prefix-1.png, output_prefix-2.png, etc.
# PDF to images with specific DPI
pdftoppm -png -r 300 input.pdf output_prefix
# PDF to JPEG
pdftoppm -jpeg -r 150 input.pdf output_prefix
# Specific page to image
pdftoppm -png -f 1 -l 1 -r 300 input.pdf cover
# PDF to HTML
pdftohtml input.pdf output.html
# Compress/optimize PDF (reduce file size)
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite \
-dCompatibilityLevel=1.4 \
-dPDFSETTINGS=/ebook \
-sOutputFile=optimized.pdf input.pdf
# Quality presets for -dPDFSETTINGS:
# /screen - lowest quality, smallest size (72 dpi)
# /ebook - medium quality (150 dpi)
# /printer - high quality (300 dpi)
# /prepress - highest quality, largest size
# Remove password protection (if you know the password)
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite \
-sPDFPassword=mypassword \
-sOutputFile=unlocked.pdf protected.pdf
# Check if PDF is encrypted
pdfinfo input.pdf | grep Encrypted
pdfinfo first