.bc
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.
811.7K
total files
456.4K
first seen 2021–2025 (56.2%)
2021
median year (half its files since)
Case variants in archive: .bc (810.1K), .bC (1.0K), .BC (579), .Bc (8) — aggregated above.
Attribution status
This extension is attributed to bc as primary by 1 authoritative claim.
Authoritative sources: ✗ Linguist · no claim ✓ Pygments ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.bc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| bc | pygments | primary |
Wikidata says… (8)
File formats, image formats, audio codecs and other non-PL
entities that claim
.bc 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 |
|---|---|---|---|---|---|
| Adobe Bridge Cache File Q111418374 file format | file format | — | — | — | Use as new PL ↗ |
| Big Crunch compressed file Q105858908 file format | file format | — | — | — | Use as new PL ↗ |
| LLVM Bitcode (generic) Q105858511 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .bc in our local mirror yet.