.sch

4 claimants 1 primary 3 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.

1.1M
total occurrences
230.7K
since 2019 (21.9%)
1970–2023
years active

Case variants in archive: .sch (1.0M), .SCH (4.6K), .Sch (1.5K), .scH (1) — aggregated above.

Attribution status

This extension is attributed to eagle as primary by 1 authoritative claim.

Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (4)

Languages that list .sch among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
eaglelinguistprimary
KiCad Schematiclinguistsecondary
Schemelinguistsecondary
xmllinguistsecondary

Wikidata says… (8)

File formats, image formats, audio codecs and other non-PL entities that claim .sch 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.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
EAGLE File Format schematic (v6+) Q105852265
file format
file formatapplication/x-eagle-schematicUse as new PL ↗
GFA Raytrace Compressed image (hi-res) bitmap Q105858885
file format
file formatapplication/octet-streamUse as new PL ↗
KiCad Schematics Q105852663
file format
file formatapplication/x-kicad-schematicUse as new PL ↗

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.
DTr1_BN.sch · 342 B · seen 42× in SWH
predicted: eagle via unique-primary
swh:1:cnt:08215a5c622345dacad0d57a6e69739da81dfa2a;origin=https://github.com/TechnikumWienAcademy/cda-ems;anchor=swh:1:rev:93f0fb180d80023cc3a4a4c2646065363206f51f;path=/cda-schematron/include/DTr1_BN.sch
Open in SWH · Raw bytes
Request more SWH-mined examples
If the examples above don't disambiguate what .sch is, request a fresh mining run.
(or open the pre-filled issue directly)