BibTeX files are typically manually maintained and thus often contain inconsistencies, mistakes, or are missing information. betterbib helps maintaining your BibTeX files by comparing them with online sources and correcting whatever entries are found faulty . Simply run betterbib in.bib out.bib Tools All of the following tools can read from standard input and write to standard output, so you can concatenate them to get exactly what you want. For example, the above betterbib command is equivalent to betterbib-sync in.bib | betterbib-journal-abbrev | betterbib-format -b - out.bib Installation betterbib is available from the Python Package Index , so simply do pip install betterbib github地址： https://github.com/nschloe/betterbib