Scans pdfs for links written in plaintext and checks if they are active or returns an error code. It then generates a report of its findings. Extract references (pdf, url, doi, arxiv) and metadata from a PDF.
- Extract references and metadata from a given PDF.
- Detects pdf, url, arxiv and doi references.
- Checks for valid SSL certificate.
- Find broken hyperlinks (using the -c flag).
- Output as text or JSON (using the -j flag).
- Extract the PDF text (using the --text flag).
- Use as command-line tool or Python package.
- Works with local and online pdfs.
Grab a copy of the code with pip or snap:
pip install linkrot
snap install linkrot
linkrot [pdf-file-or-url]
Run linkrot -h to see the help output:
linkrot -h
usage: linkrot [-h] [-d OUTPUT_DIRECTORY] [-c] [-j] [-v] [-t] [-o OUTPUT_FILE] [--version] pdf
Extract metadata and references from a PDF, and optionally download all referenced PDFs.
pdf (Filename or URL of a PDF file)
-h, --help (Show this help message and exit)
-d OUTPUT_DIRECTORY, --download-pdfs OUTPUT_DIRECTORY (Download all referenced PDFs into specified directory)
-c, --check-links (Check for broken links)
-j, --json (Output infos as JSON (instead of plain text))
-v, --verbose (Print all references (instead of only PDFs))
-t, --text (Only extract text (no metadata or references))
-o OUTPUT_FILE, --output-file OUTPUT_FILE (Output to specified file instead of console)
--version (Show program's version number and exit)
linkrot https://example.com/example.pdf -t
linkrot https://example.com/example.pdf -t -o pdf-text.txt
linkrot https://example.com/example.pdf -c
This program is licensed with an MIT License.