PNGGauntlet is described as '-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' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to PNGGauntlet for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best PNGGauntlet alternative is ImageOptim. It's not free, so if you're looking for a free alternative, you could try ImageOptim or Dinky. Other great apps like PNGGauntlet are OptiImage, RasterFox, RIOT - Radical Image Optimization Tool and TinyPNG.
If you want a lightweight image editor that you can use to perform basic editing tasks such as cropping, renaming, resizing and even applying watermarks to your pictures, then consider rEASYze. You can work with single or multiple images simultaneously.
Squeezer is a PNG optimizer for Mac OSX that recompresses image files to a smaller size, without losing any information.
WinLep is a software that compresses JPG images to LEP saving 22%. WinLep compresses JPEG and decompresses LEP, moreover it can display JPEG and LEP compressed files.
Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.
ToolsForImage is free and open-source platform for image compression, resizing, cropping, format conversion, rotation, watermarking, face blurring, and more.
A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats.
The Tidy File is an automation-first image and file processing platform that helps you compress, convert, and batch-process files with consistent results and clear usage limits.
Pichi for Mac is the best and quickest tool for optimizing and resizing your images individually or in batches.
ImagiTool offers best image tools online. Free photo resize tool, image compress tool, and picture convert tool. Batch processing, secure image resizing tool.
Smolr is a small tool that let you convert and optimize your image files to make them smaller and more usable.
A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.
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