4K Image Compressor

4K Image Compressor is a desktop app for reducing image and PDF file sizes, converting formats, and preparing files for sharing or storage.

Open Media OOO com.openmedia.4kimagecompressor

What is 4K Image Compressor?

4K Image Compressor is a desktop compression app that helps users shrink image and PDF files for easier sharing, storage, and upload workflows. It is published by Open Media OOO and available for macOS, Windows, and Ubuntu. The app supports common image formats including JPG, PNG, WEBP, HEIC, HEIF, BMP, GIF, ICO, SVG, EPS, RAW, and PDF, giving users one place to optimize files without switching tools. Users can choose compression settings, resize images, and convert supported files to other formats as part of the same workflow. Batch compression is available for handling multiple files at once, which is useful for preparing photos for email, websites, social media, or cloud storage. On Mac, it fits best as a focused utility for everyday file-size reduction rather than a full photo editor.

Key features

  • Compress image files to reduce storage and upload size
  • Resize images for sharing, web use, or space savings
  • Convert supported images to other file formats
  • Optimize PDF files alongside image files
  • Process multiple files in a batch
  • Work with JPG, PNG, WEBP, HEIC, HEIF, RAW, GIF, SVG, EPS, BMP, ICO, and PDF files

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Safety overview

Status: Mostly safe

This is a legitimate desktop utility for working with files you choose to add to the app. It normally needs access only to the images or PDFs you import and the folders where you save compressed copies. That kind of file access is expected for an image compression tool. Before removing it, make sure you no longer need its editing or export workflow and that any compressed files you want to keep are already saved in your own folders.

Recommendation: Keep 4K Image Compressor if you regularly reduce image or PDF sizes for email, uploads, or storage. If you no longer use it, you can remove the app without affecting macOS, though you may also want to clear its leftover support files and caches later.

Common paths

  • /Applications/4K Image Compressor.app

Cache paths

  • ~/Library/Caches/com.openmedia.4kimagecompressor

Support paths

  • ~/Library/Application Support/4K Image Compressor

Preference paths

  • ~/Library/Preferences/com.openmedia.4kimagecompressor.plist

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