Apps similar to PNGGauntlet include Dinky, which is free and open source. Other options are ImageOptim, GetCompress, TinyFast and OptiImage. You're spoiled for choice with Image Optimizers like PNGGauntlet: we list more than 50 alternatives for Windows, Mac, Linux, the web and Android.
Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .
AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
Transform your images from MB to KB effortlessly with ImageMinify! Created by a dedicated developer, this user-friendly app compresses image files while maintaining their quality, making it perfect for anyone looking to reduce file size without sacrificing clarity.
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PngOptimizer 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.
Compress hundreds of images in seconds. Everything stays on your computer. No uploads, no accounts, no subscription.
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Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline.
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Native macOS batch processor that compresses, resizes, crops, renames, watermarks, and converts JPG, PNG, WebP, HEIC, HEIF, and AVIF images offline. It offers 17 crop presets, per-image crops, presets, reports, previews, and parallel processing.
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tinyPNG.App provides a GUI front end for tinyPNG for your local computer so you can optimize images using the tinyPNG API service. Available on Windows, macOS & Linux.
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