Sites and apps similar to Koolyz include FFmpeg, which is free and open source. Other options are Penpot, Affinity, delphitools and Canva. There's no shortage of Image Optimizers like Koolyz, with more than 100 alternatives for Windows, Mac, Linux, Android and iPhone.
A Mac and Windows app for indie developers who need App Store, Google Play, and Microsoft Store screenshots. Pick a preset, drop in your screenshots, add text and gradients, export exact-size PNGs.
Compress multiple images at once with our bulk image compressor. Reduce photo size without losing quality. Fast, secure, and unlimited.
100% free online application to help you convert PDF documents to other formats. You can also create PDF, merge PDF, split PDF, compress PDF, rotate PDF and grayscale PDF.
United States
PDF Real is the best online PDF editor tool to edit, merge, split, compress. convert to text, jpg to pdf, protect, unlock, watermark, explode and many more.
Deli PDF Converter is a Windows PDF converter software capable of converting PDF documents to various file formats, such as PDF to Word, PDF to image, PDF to Html, PDF to Flash, etc., besides, it can turn other file formats to PDF document.
China
A free online tool that converts files between video, audio, image and document formats, and downloads videos from a pasted link.
Convert.Online converts files between more than 400 formats — images, video, audio, documents, spreadsheets, presentations, ebooks, fonts, archives, CAD and 3D — about 37,500 conversion pairs in total. It also does OCR, turning a scanned PDF or image into searchable text in the...
Serbia
ImgSmaller is a privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server...
Image Magic is an all-in-one online image editing and conversion platform that helps you resize, compress, crop, convert, watermark, image to pdf and self attest images instantly. Fast, secure, and easy to use no software installation needed.
A Java PDF library SDK used to assemble PDF files. jPDFAssemble can combine, merge, or split PDF documents. jPDFAssemble also allows to add or manipulate bookmarks in PDF documents.
Your perfect tool for customized PDF documents.
Germany
EU
OfflineForge is a privacy-focused Windows application for converting and managing documents entirely on your own computer. It converts Excel, Word, and PowerPoint files to PDF without uploading them to a cloud service, making it especially suitable for sensitive business...
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