OokCite

Your citations.
Properly shelved.

Paste a messy reference, get a clean citation. 2900+ styles: APA, Chicago, IEEE, MLA, Nature, and more. No ads, no tracking.

Messy in, clean out

Paste any citation. OokCite finds the paper and formats it.

In-text: (Maiman, 1960)
Maiman, T. H. (1960). Stimulated Optical Radiation in Ruby. Nature, 187, 493--494. https://doi.org/10.1038/187493a0

Format, verify, organize

Built for students, researchers, and writers.

*

2900+ citation styles

Every CSL style from the official repository. APA, Chicago, MLA, IEEE, Vancouver, Nature, ACS, and thousands more.

Aa

Free-text search

Search by author, title, or keywords. Type "Einstein relativity 1905" and OokCite finds the paper.

[1]

In-text citations

"(Smith, 2020)" for APA, "[1]" for IEEE, footnotes for Chicago. Both the reference and the in-text marker.

#

Batch formatting

Paste an entire reference list. OokCite resolves and formats them all with correct sequential numbering.

DOI

DOI, ISBN, arXiv, GitHub

Looks up CrossRef, DataCite, and OpenLibrary. Handles arXiv preprints and GitHub repos with CITATION.cff.

key

Better BibTeX keys

Export with human-readable citation keys like goswamiTwodimensional2026 instead of DOI-based IDs. Works in LaTeX, Overleaf, and Zotero.

[1-4]

Grouped citations

Select multiple references and get a combined in-text citation like [1-4] or (Smith, 2020; Jones, 2019).

.bib

Import & Export

Import .bib or .ris files into collections. Export formatted bibliographies or BibTeX anytime.

API

MCP Server

Give LLMs the power to validate DOIs, format citations, and catch hallucinated references. One command: npx @turtletech/ookcite-mcp setup

More when you need it

More collections

Free: 4 collections. Academic: 10 collections. Business: 20 collections.

Batch workflows

Import .bib/.ris files. Validate DOIs in bulk. Clean up messy reference lists.

MCP for AI tools

Let Claude, Cursor, or Codex validate citations and catch hallucinated references.

Collections that fit your workflow

Organize, search, share read-only links, and export.

  • Save citations as you format them
  • Quick-add by DOI, ISBN, or free-text search
  • Import .bib and .ris files
  • Share read-only links; style updates keep the same URL
  • Tag and filter to stay organized
  • Export formatted bibliography or BibTeX
  • Works offline -- sign in to sync across devices
My References 42 entries
Goswami, R. (2026). Two-dimensional RMSD projections for reaction path visualization. MethodsX, 16, 103851.
doi:10.1016/j.mex.2026.103851
Henkelman, G. et al. (2000). A climbing image nudged elastic band method. J. Chem. Phys., 113, 9901.
doi:10.1063/1.1329672
physics 2026 methods
Read-only sharing

Viewers get the same link. The collection owner controls the citation style, so changing APA to Nature updates the shared page.

Nature

Simple, honest pricing

Free for quick help and one project. Upgrade when you need more.

Free

EUR 0
forever
  • 60 lookups/day (web + API shared)
  • All 2900+ styles
  • In-text citations
  • Single-DOI formatting
  • 4 collections
  • Better BibTeX keys in exports
  • Collection lookups are free

Business

EUR 10/mo
  • 20,000 lookups/day
  • 40,000 API calls/mo
  • 20 collections
  • Priority support
  • Invoice with VAT

Business is EUR 10/mo for everyone outside academic discount eligibility. Checkout is on the TurtleTech dashboard.

  • Apr 2026 -- GitHub/GitLab/Codeberg repos: cite software via CITATION.cff
  • Apr 2026 -- arXiv and Zenodo DOIs via DataCite fallback
  • Apr 2026 -- Dedicated collections page with formatted view, quick-add, and manual entry
  • Apr 2026 -- Free-text search: find citations by author, title, or keywords
  • Apr 2026 -- BibTeX/RIS import into collections
  • Apr 2026 -- Collection sharing with read-only public links
  • Apr 2026 -- Better BibTeX citation keys (auth+title+year pattern)
  • Apr 2026 -- Multi-language support (English, Icelandic, Polish)
  • Mar 2026 -- Citation collections with .bib export
  • Mar 2026 -- Parallel batch processing (50 refs at once)
  • Mar 2026 -- MCP server with npx auto-install and setup

OokCite citations power Ridley, the Zotero mobile app for Android. Part of TurtleTech.

Where to go

Format citations, read the docs, or manage your account.

Ready to format your references?

No account needed. Just paste and go.