.sfv
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.
6.4K
total occurrences
5.9K
since 2019 (92.1%)
2001–2023
years active
Case variants in archive: .sfv (6.3K), .SFV (137) — aggregated above.
Attribution status
This extension is attributed to Simple File Verification; Simple File Verification as primary by 2 authoritative claims.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✓ Wikidata · Q1970420 ✗ Wikipedia · no claim
Claimants (2)
Languages that list
.sfv among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Simple File Verification | linguist | primary |
| Simple File Verification | wikidata | primary |
Wikidata says… (1)
File formats, image formats, audio codecs and other non-PL
entities that claim
.sfv 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 |
|---|---|---|---|---|---|
| Simple file verification Q1970420 file format for storing CRC32 checksums | file format | — | text/x-sfv | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .sfv in our local mirror yet.