I shipped 20 BibTeX Generator and Converter

TL;DR: I run thelatexlab.com (word to LaTeX and Pdf to LaTeX Conversion). To help researcher - I built 20 free BibTeX converter tools targeting keywords like "DOI to BibTeX", "ISBN to BibTeX", "PubMed to BibTeX", etc. They're genuinely useful - built from internal scripts I'd been using for client work - and they all live at https://thelatexlab.com/bibtex-generator/

The DOI to BibTeX : https://thelatexlab.com/doi-to-bibtex/

Technical notes if anyone's interested:

• 100% client-side except arXiv (no CORS → tiny PHP proxy, zero logs)

• citation.js for parsing, hand-written writers for BibTeX/RIS/CSV

• exceljs lazy-loaded only when the user picks .xlsx output (~270KB saved on every other path)

• CSL templates lazy-loaded per citation style

• 50-record batch limit, parallel resolution, rate-limit-friendly to upstreams