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OptiPNG

software for lossless optimization of PNG files
CreativeWork free_software Q739707
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OptiPNG

Summary

OptiPNG is a free software[1].

Key Facts

  • OptiPNG's instance of is recorded as free software[2].
  • OptiPNG's instance of is recorded as console application[3].
  • OptiPNG's copyright license is recorded as zlib License[4].
  • OptiPNG's programmed in is recorded as Q15777[5].
  • OptiPNG's operating system is recorded as Linux[6].
  • OptiPNG's operating system is recorded as Microsoft Windows[7].
  • OptiPNG's operating system is recorded as FreeBSD[8].
  • OptiPNG's software version identifier is recorded as 0.7.6[9].
  • OptiPNG's software version identifier is recorded as 0.7.7[10].
  • OptiPNG's software version identifier is recorded as 0.7.8[11].
  • OptiPNG's software version identifier is recorded as 7.9.1[12].
  • OptiPNG's Commons category is recorded as OptiPNG[13].
  • OptiPNG's official website is recorded as http://optipng.sourceforge.net/[14].
  • OptiPNG's source code repository URL is recorded as http://hg.code.sf.net/p/optipng/mercurial[15].
  • OptiPNG's copyright status is recorded as copyrighted[16].

Related Entities

FreeBSD free software Linux Microsoft Windows oxipng

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). OptiPNG. Retrieved October 3, 2026, from https://4ort.xyz/entity/optipng
MLA “OptiPNG.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Oct. 2026, https://4ort.xyz/entity/optipng.
BibTeX @misc{4ortxyz_optipng_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{OptiPNG}}, year = {2026}, url = {https://4ort.xyz/entity/optipng}, note = {Accessed: 2026-10-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): OptiPNG — https://4ort.xyz/entity/optipng (retrieved 2026-10-03)

Canonical URL: https://4ort.xyz/entity/optipng · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9d ago · Spiral6800 · 2026-09-25 view diff on Wikidata ↗
    Operating system → Linux, Microsoft Windows, FreeBSD
    Programmed in → Q15777
    Instance of → —
    Copyright license → zlib License
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P9045]]: optipng, Matched to [[:toollabs:mix-n-match/#/entry/324957602|optipng (#324957602)]] in [[:toollabs:mix-n-match/#/catalog/8507|Alpine Linux package]] #"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.