.less
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.
11.4M
total occurrences
2.7M
since 2019 (23.4%)
1970–2023
years active
Case variants in archive: .less (11.4M), .Less (318), .LESS (179), .lesS (8) — aggregated above.
Attribution status
This extension is attributed to Less; Less as primary by 2 authoritative claims.
Claimants (2)
Languages that list
.less among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Less | linguist | primary |
| Less | pygments | primary |
Wikidata says… (1)
File formats, image formats, audio codecs and other non-PL
entities that claim
.less 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 |
|---|---|---|---|---|---|
| Less file format Q127706182 file format | file format | — | — | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .less in our local mirror yet.