.png
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.
1.2B
total files
569.6M
first seen 2021–2025 (49.4%)
2020
median year (half its files since)
Case variants in archive: .png (1.1B), .PNG (12.4M), .Png (35.6K), .pNG (72), .pnG (63), .pNg (49), .PNg (46), .PnG (46) — 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)
| Label | Annotator | Status | Evidence (excerpt) | |
|---|---|---|---|---|
| binary:image Portable Network Graphics — ref | @acherm | new | Portable Network Graphics (seems unlikely that another PL uses this file-extension... I can imagine some typos, like PGN (Portable Game Nota | discuss |
Claimants (1)
Languages that list
.png among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| png | wikidata | primary |
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.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| Portable Network Graphics Q178051top match family of lossless compression bitmap image file formats | lossless compression; image compression | binary:image | image/png | — | Use as new PL ↗ |
| APNG Q433224 PNG extension for animated images | raster-graphics file format | binary:image | image/png; image/apng | — | Use as new PL ↗ |
| CgBI Q28205824 file format | file format | — | — | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .png in our local mirror yet.