.fc
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.
75.6K
total files
40.7K
first seen 2021–2025 (53.7%)
2021
median year (half its files since)
Case variants in archive: .fc (75.0K), .FC (657), .Fc (2), .fC (2) — aggregated above.
Attribution status
This extension is attributed to FunC as primary by 1 authoritative claim.
Authoritative sources: ✗ Linguist · no claim ✓ Pygments ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.fc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| FunC | pygments | primary |
Wikidata says… (3)
File formats, image formats, audio codecs and other non-PL
entities that claim
.fc 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 |
|---|---|---|---|---|---|
| FunC file format Q129325519 file format | file format | — | — | — | Use as new PL ↗ |
| Future Composer v1.4 module Q105855194 file format | file format | — | audio/x-mod | — | Use as new PL ↗ |
| Future Composer v1.x module Q27967187 file format | file format | — | audio/x-mod | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .fc in our local mirror yet.