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.
Apowersoft PDF Converter is a one-stop PDF tool, which not only contains tools to converting PDF file to other formats, but can also convert other formats to PDF, even more, it can merge PDF, split PDF, extract images, OCR, encrypt/decrypt PDF, etc.
France
EU
Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.
Russia
United States
20 free online PDF tools, including PDF to Office, iWork conversion, merge/split PDF, unlock/encrypt PDF, compress PDF and more! The desktop version is also available.
China
Leanify is a lightweight lossless file minifier/optimizer. It removes unnecessary data (debug information, comments, metadata, etc.) and recompress the file to reduce file size. It will not reduce image quality at all.
PDF Conversion Tool allows you to easily and quickly convert almost any file into PDF format and back. Easily converts PDF file to Microsoft Word format (doc, docx) and to almost any images format (png, jpg, gif, etc.).
Don’t spend another second worrying about compressing your images. Install Imgbot into your GitHub projects, and focus on your application.
BARD PDF reconsideres the manner in which you work with PDF documents. Give any PDF's web connection and BARD PDF immediately understands its substance. Get a synopsis of the PDF, pose inquiries about what's inside, even have a discussion specifically with the record...
ZonePDF is a convenient and practical tool for PDF conversion. PDF files can easily be merged, split and converted from JPEG, PNG, DOC, XLS, PPT and other formats.
Ukraine
