.swf
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.
2.2M
total occurrences
821.6K
since 2019 (37.3%)
1970–2023
years active
Case variants in archive: .swf (2.2M), .SWF (2.0K), .sWf (3), .Swf (3), .SwF (1) — aggregated above.
Attribution status
This extension is attributed to Shockwave flash as primary by 1 authoritative claim.
Authoritative sources: ✗ Linguist · no claim ✗ Pygments · no claim ✓ Wikidata · Q594447 ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.swf among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Shockwave flash | wikidata | primary |
Wikidata says… (37)
File formats, image formats, audio codecs and other non-PL
entities that claim
.swf 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 |
|---|---|---|---|---|---|
| Small Web Format family Q594447top match file format family; used for multimedia, vector graphics and ActionScript | file format family | — | application/x-shockwave-flash; application/futuresplash; application/vnd.adobe.flash-movie | — | Use as new PL ↗ |
| Shockwave Flash, version 1 Q29011079 file format | Small Web Format family | — | application/x-shockwave-flash | — | Use as new PL ↗ |
| Shockwave Flash, version 10 Q29011365 file format | Small Web Format family | — | — | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .swf in our local mirror yet.