.png

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.

776.7M
total occurrences
373.2M
since 2019 (48.1%)
1970–2023
years active

Case variants in archive: .png (767.3M), .PNG (9.4M), .Png (20.6K), .pNG (56), .pnG (50), .PNg (39), .PnG (35), .pNg (35) — aggregated above.

Attribution status

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

Authoritative sources: ✗ Linguist · no claim ✗ Pygments · no claim ✓ Wikidata · Q178051 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Prior manual labels (1)

LabelAnnotatorStatusEvidence (excerpt)
binary:image
Portable Network Graphics — ref
@achermnewPortable Network Graphics (seems unlikely that another PL uses this file-extension... I can imagine some typos, like PGN (Portable Game Notadiscuss

Claimants (1)

Languages that list .png among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
pngwikidataprimary

Wikidata says… (11)

File formats, image formats, audio codecs and other non-PL entities that claim .png 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
Portable Network Graphics Q178051top match
family of lossless compression bitmap image file formats
lossless compression; image compressionbinary:imageimage/pngUse as new PL ↗
APNG Q433224
PNG extension for animated images
raster-graphics file formatbinary:imageimage/png; image/apngUse as new PL ↗
CgBI Q28205824
file format
file formatUse as new PL ↗

SWH-mined examples (0)

No archived examples for .png in our local mirror yet.

Need an archived example for this extension?
No verbatim file with extension .png in our local SWH mirror yet. Submit a sample-mining request and a maintainer will run swh_extension_mining.py against the live archive for this extension; samples land here once the run completes.
(or open the pre-filled issue directly)