Apps similar to PngOptimizer include Caesium Image Compressor, which is free and open source. Other options are Dinky, GetCompress, ImageOptim and TinyFast. You're spoiled for choice with Image Optimizers like PngOptimizer: we list more than 50 alternatives for Mac, Windows, Linux, the web and Android.
Powerful and intuitive online tool for viewing, resizing, cropping, and converting images. It supports all major formats, including AVIF, WebP, HEIC/HEIF, TIFF, and 32-bit HDR/EXR. Enjoy the unique Live Preview feature that lets you see real-time conversion results before downloading!
Compressify: Optimize image/PDF compression in Figma & WordPress. Reduces file sizes without quality loss. Seamless integration, boosts website performance. Perfect for designers, creators, admins seeking faster load times & enhanced visuals.
ShrinkFox by Chovexa is a privacy-first, client-side web utility engineered to compress JPG, PNG, WebP, and PDF documents down to exact target file sizes (such as <50KB, <100KB, or custom thresholds) with zero server uploads.
Shrinks images and documents losslessly by optimizing existing compression. Run it comfortably in the background to save hard disk space and bandwidth.
Smolr is a small tool that let you convert and optimize your image files to make them smaller and more usable.
Batch compress JPEG, PNG, HEIC, and WEBP images with drag-and-drop functionality, maintain high visual quality, and optimize files for storage, websites, and sharing across platforms without cloud upload or watermarks, supporting offline privacy.
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free online image compressor for faster websites! reduce the file size of your webp, jpeg, and png images with tinypng.
A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.
Effortlessly compress your images without loss of quality. Aerate offers an industry leading default mode, as well as new fast and extreme presets. Switch between modes quickly using the new compression slider.
Compress.Studio is a serverless image compression tool with decentralized storage. Open/Add any .jpeg, .jpg or .png image. By default, it compresses your image to the best size and quality. Select your preferred size to compress the image. Login with .
Minime is a free and open-source desktop image compressor and format converter for Windows, macOS, and Linux. Built in Rust, it focuses on lossless image optimization while keeping everything private and local to your device.
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