Koolyz is described as 'Your ultimate collection of 100+ free online tools, designed to simplify everyday tasks in seconds. Fast, smart, and easy to use' and is an website. There are more than 100 alternatives to Koolyz, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Android apps. The best Koolyz alternative is FFmpeg, which is both free and Open Source. Other great sites and apps similar to Koolyz are Penpot, Affinity, Canva and delphitools.
Crunch - Insane(ly slow but wicked good) PNG image optimization. It combines selective bit depth, color type, and color palette reduction with zopfli DEFLATE compression algorithm encoding using embedded versions of the pngquant and zopflipng PNG optimization tools.
HRConvert2 is an open-source web-app that converts files without tracking users across the net or infringing on your intellectual property.
Collection of easy to use, time-saving online tools to merge, split, convert, and edit PDF files.
Convertify is your ultimate free & offline file converter suite for Windows. Convert images (inc. AI upscale), video, audio, docs, archives & eBooks (180+ formats) privately on your PC.
Icecream Image Resizer is a program for professional image resizing that features options for completing all sorts of tasks. Program’s clear and intuitive interface and simple and effective controls give the best user experience one can think of while resizing images.
Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.
Fast, 100% offline, privacy-first image compressor and HEIC/WebP converter running locally in your browser via WebAssembly.
Convert, optimize, and resize your images online in only one easy click and for free with the Resizing.app tool. Come on, it doesn’t get easier than that!.
PDF Converter is a free online converter, as one of the best PDF conversion tools, it can help you easily change the file type to PDF format or convert PDF to Word document in one click. This can save you a lot of time and energy.
A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Convert, compress, and optimize images, PDF files with our powerful in browser tools. No data is sent, everything happens in your browser using web assembly. That means very less waiting to process your files!
A versatile online image compression tool that prioritizes your privacy. It handles everything locally in your browser—nothing is ever uploaded. Convert between JPG, PNG, GIF, and WebP, resize by dimension or ratio, and fine-tune quality with a live preview.
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