# BibTeX Validator

Paste your .bib file and get a full syntax and completeness report — required fields, entry types, duplicate keys, malformed values.

All 12 BibTeX entry types Required + optional field rules Duplicate key detection Runs entirely in your browser

## BibTeX Input
0 entries

Sample Clear Validate →

Validation Results

⊞ Paste your .bib file and click validate

## BibTeX entry type reference

| Entry type         | Required fields                                       | Optional fields                                       |
| ------------------ | ----------------------------------------------------- | ----------------------------------------------------- |
| @article           | author, title, journal, year                          | volume, number, pages, month, doi, url               |
| @book              | title, publisher, year, author/editor                 | volume, series, edition, address, isbn, doi           |
| @inproceedings     | author, title, booktitle, year                        | pages, address, publisher, doi                         |
| @conference        | author, title, booktitle, year                        | pages, address, publisher                               |
| @phdthesis         | author, title, school, year                           | address, month, type, doi                              |
| @mastersthesis     | author, title, school, year                           | address, month, type                                   |
| @techreport        | author, title, institution, year                      | type, number, address, month                           |
| @misc              |                                                      | author, title, year, url, note, howpublished          |
| @unpublished       | author, title, note                                   | year, month                                           |
| @proceedings       | title, year                                          | editor, publisher, address, volume                     |
| @manual            | title                                                | author, organization, year, edition                    |
| @incollection      | author, title, booktitle, publisher, year            | editor, chapter, pages, address                        |

### Validate BibTeX live inside your LaTeX editor

Bibby AI flags BibTeX errors as you type — no switching between tools. Real-time validation for every entry type.

## Explore More

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### Learn
- [How to Create a Bibliography](/content/learn/create-bibliography-latex/index.html)  
- [BibTeX vs BibLaTeX](/content/learn/bibtex-vs-biblatex/index.html)  
- [How to Add Citations](/content/learn/add-citations-latex/index.html)

### Templates & Resources
- [Browse All Templates](/content/latex-templates/index.html)  
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### Start Writing Free
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