.ipynb
1 claimant
1 primary
0 secondary
unambiguous primary
SWH popularity
Distinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.
58.5M
total files
36.4M
first seen 2021–2025 (62.3%)
2021
median year (half its files since)
Case variants in archive: .ipynb (58.5M), .IPYNB (2.2K), .Ipynb (790), .iPynb (8), .ipynB (8), .ipyNB (7), .IPyNB (5), .IPynb (5), .ipYnb (5), .IPYNb (2), .IPYnb (2), .iPYNB (2), .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.