Kraken.io From $4.17/mo · Free plan 9.4 Visit PngOptimizer
psydk.org
Spec sheet
- Purpose
- PngOptimizer cleans PNG files of useless or incorrect information and reduces their file size.Read 12 Oct 2026 · psydk.org
- License
- PngOptimizer and PngOptimizerCL are distributed under the GNU General Public License (GPL).Read 12 Oct 2026 · psydk.org
- Animation
- It supports animated PNG (APNG).Read 12 Oct 2026 · psydk.org
- Command line
- PngOptimizerCL is offered as a command-line version for Windows x64, Windows x86, and Linux x64.Read 12 Oct 2026 · psydk.org
- Compression modes
- losslessRead 22 Sep 2026 · psydk.org
- Format conversion
- It converts BMP, GIF, and TGA images to PNG.Read 12 Oct 2026 · psydk.org
- Interface
- The product page describes its user interface as simple and productive.Read 12 Oct 2026 · psydk.org
- Linux compatibility
- The maker says the Linux command-line build was tested on Ubuntu 14.04 x64 and may not work on every Linux distribution.Read 12 Oct 2026 · psydk.org
- Linux downloads
- The page lists a Debian/Ubuntu 64-bit package and an Ubuntu PPA installation method.Read 12 Oct 2026 · psydk.org
- Linux GUI limitation
- The maker states that screenshot pasting is not supported in the Linux version.Read 12 Oct 2026 · psydk.org
- Metadata controls
- YesRead 22 Sep 2026 · psydk.org
- Screenshots
- It can create PNG screenshots.Read 12 Oct 2026 · psydk.org
- Supported formats
- PNG,BMP,GIF,TGA,APNGRead 22 Sep 2026 · psydk.org
- Windows downloads
- The page lists version 2.7 downloads for Windows 64-bit and 32-bit.Read 12 Oct 2026 · psydk.org
Plans and prices
PngOptimizer Free GPL-licensed; version 2.7 downloads listed for Windows and Debian/Ubuntu Read 12 Oct 2026 · psydk.org
Where Specifiction places it
- Image Compression Software#74 of 857.3
Alternatives to PngOptimizerAll alternatives →
Kraken.io From $4.17/mo · Free plan 9.4 Visit 
TinyPNG Free plan 8.9 Visit 
Compresto From $49/mo 8.9 Visit