.cdf
5 claimants
2 primary
3 secondary
shared primary (2)
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.
117.4K
total files
51.7K
first seen 2021–2025 (44.0%)
2020
median year (half its files since)
Case variants in archive: .cdf (114.4K), .CDF (2.9K), .Cdf (12), .CDf (1) — aggregated above.
Attribution status
This extension is attributed to cdf; Wolfram Language as primary by 2 authoritative claims.
Authoritative sources: △ Linguist · secondary △ Pygments · secondary ✓ Wikidata · Q1062254 ✗ Wikipedia · no claim
Claimants (7)
Languages that list
.cdf among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| cdf | wikidata | primary |
| Wolfram Language | wikidata | primary |
| Mathematica | pygments | secondary |
| NB | pygments | secondary |
| Wolfram | pygments | secondary |
| Wolfram Language | linguist | secondary |
| Wolfram Language | pygments | secondary |
Wikidata says… (8)
File formats, image formats, audio codecs and other non-PL
entities that claim
.cdf 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 |
|---|---|---|---|---|---|
| Computable Document Format Q1122075 file format | file format | — | application/cdf | — | Use as new PL ↗ |
| Common Data Format Q1116060 file format family for multi-dimensional data | file format family | — | — | — | Use as new PL ↗ |
| Affymetrix CDF file format Q95985299 file format used to describe which probes are part of which probe set | file format | — | — | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .cdf in our local mirror yet.