PngOptimizer is described as 'Compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop' and is an app in the photos & graphics category. There are more than 50 alternatives to PngOptimizer for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best PngOptimizer alternative is Caesium Image Compressor, which is both free and Open Source. Other great apps like PngOptimizer are ImageOptim, TinyFast, OptiImage and RasterFox.
Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.
ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).
Compress images, videos, and PDFs directly on your Mac with local batch processing, no internet required, and full privacy. Features drag-and-drop workflow, smart quality preservation, on-device optimization, and subscription options for premium tools.
Optimize PNG, JPEG, WebP, and SVG images efficiently with flexible lossless and lossy compression modes, metadata control, and safe mode to avoid data loss, using tools like oxipng, jpegoptim, scour, and cwebp, enhancing image storage and load efficiency.
Compress images with pixel-perfect precision using advanced algorithms that preserve quality while dramatically reducing file sizes.
Image Normalizer is a cross-platform command-line batch-processing tool that resizes and compresses images, transforming each image by:
ImgSmaller is a privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server...
Using advanced lossy compression, TinyPNG reduces PNG file sizes by 50-80%, preserving full transparency and minimizing quality loss. Ideal for web designers, it increases website speed, saves bandwidth, and offers tools like a Photoshop plugin and API for seamless integration.
-Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF, TIFF, and BMP files to PNG -Ultra-configurable
PNGGauntlet is a .NET program that uses Ken Silvermans PNGOUT, OptiPNG and DeflOpt to optimize PNG fil.
OptiPNG is a command-line 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.
MAZANOKE is a simple image compressor and converter that runs entirely in your browser. No external uploads, works offline as a web app, and is powered by Browser Image Compression.
An Android app to compress images and videos through ffmpeg before sharing them.
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