.m3u
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.
2.6M
total files
2.2M
first seen 2021–2025 (86.0%)
2022
median year (half its files since)
Case variants in archive: .m3u (2.6M), .M3U (11.2K), .m3U (56), .M3u (55) — aggregated above.
Attribution status
This extension is attributed to M3U as primary by 2 authoritative claims.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✓ Wikidata · Q1241738 ✗ Wikipedia · no claim
Claimants (2)
Languages that list
.m3u among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| M3U | linguist | primary |
| M3U | wikidata | primary |
Wikidata says… (1)
File formats, image formats, audio codecs and other non-PL
entities that claim
.m3u 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 |
|---|---|---|---|---|---|
| Extended M3U playlist (UTF-8) Q105863791 file format | file format | — | audio/x-mpegurl | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .m3u in our local mirror yet.