List of the Top 4 Image Converters for Linux in 2025

MConverter is a versatile online converter that allows for the transformation of various file types, including video, audio, images, e-books, documents, and archives. It simplifies the process of bulk conversions, allowing users to select multiple files from different sources, even using the clipboard with Ctrl+V for convenience. Once the conversion is finished, users have the flexibility to save the output files to any desired location on their device. Additionally, MConverter provides the capability to compress PDF files in bulk, offering options for basic, strong, and extreme compression that can reduce file sizes by as much as 90%, depending on the original document. The tool can also analyze files that lack extensions, attempting to identify their actual formats and facilitating their conversion to usable formats already supported on the user's device. With a wide array of supported formats, MConverter caters to various needs, including those for 3g2, 3gp, 7z, aac, ac3, ai, amv, avi, avif, azw, azw3, bmp, bz2, cab, cbr, cbz, csv, deskthemepack, dng, doc, docx, drawio, epub, fb2, flac, flv, gif, gz, heic, htm, html, ico, iso, jar, jpeg, jpg, json, jxl (jpeg xl), m4a, mcaddon, mcpack, mctemplate, mcworld, md (markdown), mid, mkv, mobi, mov, mp3, mp4, mpeg, mpg, mpo, odp, ods, odt, ogg, opus, pdf, png, ppm, pps, ppsx, ppt, pptx, psd, rar, rtf, sami, smi, srt, sub, svg, tar, tbz2, tgz, themepack, tif, tiff, tini, txt, txz, vob, wav, webm, webp, wma, wmv, xcf, xls, xlsx, xz, and zip. This extensive support ensures that users can convert nearly any file they encounter, enhancing their productivity and convenience.

XnConvert is a powerful and fast free batch image converter that operates across various platforms, allowing users to optimize their photo collections with ease. It provides an effortless way to rotate, convert, and compress images while offering more than 80 different actions, such as resizing, cropping, and applying color adjustments or filters. Supporting a vast range of popular image and graphic formats, including JPEG, TIFF, PNG, GIF, WebP, PSD, JPEG2000, JPEG-XL, OpenEXR, camera RAW, HEIC, PDF, DNG, and CR2, it caters to diverse user needs. Users can also save and reuse their presets for future conversions, which significantly boosts productivity. XnConvert is available on multiple platforms, with versions designed for Windows, Mac, and Linux in both 32-bit and 64-bit variants. The tool is enhanced by multilingual support, featuring translations in over 20 languages, making it accessible to a global audience. Its intuitive interface, complemented by convenient drag-and-drop functionality, ensures a seamless user experience. Notably, XnConvert supports more than 500 formats and allows exporting to roughly 70 different file types, solidifying its reputation as an exceptional tool for comprehensive image processing tasks. Furthermore, the consistent updates and community feedback contribute to its ongoing improvement and versatility.

JDeli supports both reading and writing images in the HEIC format, and it offers comprehensive conversion capabilities between HEIC formats and a variety of other image file types. This process can be accomplished in a single step, and for those needing to manipulate images with Java, JDeli allows for separate reading and writing of HEIC files. To enhance performance during image processing, utilizing threading can be beneficial, and JDeli is designed to work seamlessly with threads, setting it apart from ImageIO. Its API closely resembles that of ImageIO, making it simple for developers to switch between the two libraries within their projects. The development team at IDRsolutions is consistently updating JDeli, as they integrate it into their other software solutions. Moreover, JDeli is crafted entirely in Java, eliminating the need for any plugins or platform-specific dependencies, ensuring a smooth and versatile user experience. This independence from platform constraints further solidifies JDeli's usability across various Java applications.

The Pi7 image compression tool is capable of reducing JPEG image sizes to as low as 50kb, effectively optimizing the storage space needed for these images. By utilizing this tool, one can achieve significant reductions in file size while maintaining image quality.