punchi.me is described as 'Edit one or several images in a few clics. Massive downscale, resize or crop a collection of images quickly' and is a Image Converter in the photos & graphics category. There are more than 50 alternatives to punchi.me, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Android apps. The best punchi.me alternative is Image Toolbox, which is both free and Open Source. Other great sites and apps similar to punchi.me are Caesium Image Compressor, ImageOptim, Squoosh and RIOT - Radical Image Optimization Tool.
Versatile image editing app with cropping, filters, quality and format options, EXIF metadata editing, PDF conversion, background removal, batch processing and color picking, all in an open-source package for Android with a clean interface and no in-app ads.
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).
Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then choosing the right parameters are the key factors of smaller files.
Converseen is a free cross-platform batch image processor for Windows and Linux that allows you to convert, resize, rotate and flip an infinite number of images with a mouse click.
Switcheroo is designed to give you a simple, quick, and easy-to-use tool to convert and manipulate your images in whatever way you like. It is built on top of the most advanced image editing libraries, ImageMagick.
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.
Batch process photos with resizing, cropping, color adjustments, text or watermark overlays, preview changes before saving, automate renaming with custom patterns, support for major formats, folder structures, preset settings, and drag-and-drop management.
Create email-friendly images, resize in batches, convert formats, and compress using high-quality filters. Integrated in Windows Explorer, it offers high-res settings, watermarking, a profiles library, PDF creation, and supports devices like iPad and iPhone.
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.
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