.ipynb
1 claimant
1 primary
0 secondary
unambiguous primary
SWH popularity
From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
34.1M
total occurrences
14.7M
since 2019 (43.2%)
1970–2023
years active
Case variants in archive: .ipynb (34.1M), .IPYNB (480), .Ipynb (95), .iPynb (2), .ipynB (2), .IpyNB (1), .iPYNB (1), .ipYnb (1), .ipYNB (1), .IPynb (1) — aggregated above.
Attribution status
This extension is attributed to jupyter-notebook as primary by 1 authoritative claim.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.ipynb among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| jupyter-notebook | linguist | primary |
Wikidata says… (2)
File formats, image formats, audio codecs and other non-PL
entities that claim
.ipynb on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| Jupyter notebook file Q70357595 program used to mix code, comments, and visualizations in an interactive document called notebook that can be shared, reused, and reworked in a web browser | file format | — | application/x-ipynb+json | — | Use as new PL ↗ |
| .ipynb Q105099750 standard file extension for Jupyter notebooks | document file format | binary:other | application/x-ipynb+json | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .ipynb in our local mirror yet.