OptiPNG: all versions and old releases

A PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.

Cosmin Truta Archivers #82 Archivers

LicenceOpen source
Version7.9.1
Size173 KB
RequiresWindows 10, 11
ReleasedMay 20, 2025

2 versions of OptiPNG are listed here, from November 3, 2023 to the current 7.9.1. Each one links to the publisher’s own installer files.

2 versions over 2 years · about 1.3 a year

Version	Date	Size	Files
7.9.1Latest	May 20, 2025	173 KB	64-bit ZIP 173 KB 32-bit ZIP 162 KB
0.7.8	November 3, 2023	—	64-bit ZIP 32-bit ZIP

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OptiPNG: all versions and old releases

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