Best Image Converters for Linux of 2025

MConverter is an online file converter for most video, audio, image, e-book, document and archive formats. It makes it very easy to convert multiple files in bulk. You can select files from anywhere, even the clipboard with Ctrl+V. Once a conversion is complete, you can save its output files to any folder on your device. MConverter lets you compress PDF files in bulk. Pick between basic, strong, and extreme compression: up to 90% reduction in size, depending on the file. MConverter can analyze files with missing extensions, try to guess their real formats and offer to convert them to other formats you can already use on your device. Supported formats: 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, zip

XnConvert is a robust, swift, and free cross-platform batch image converter that enables users to streamline the editing process for their photo collections. Users can effortlessly rotate, convert, and compress their images while applying over 80 different actions such as resizing, cropping, color adjustments, and various filters. It supports a wide array of common image and graphic formats, including JPEG, TIFF, PNG, GIF, WebP, PSD, JPEG2000, JPEG-XL, OpenEXR, camera RAW, HEIC, PDF, DNG, and CR2. Additionally, users can save and reuse their presets for future batch conversions, enhancing efficiency. XnConvert is compatible with multiple platforms, offering versions for Windows, Mac, and Linux in both 32-bit and 64-bit formats. This versatile tool also boasts multilingual support, with over 20 different translations available. Featuring an intuitive interface, XnConvert provides convenient drag-and-drop functionality, making it user-friendly. With compatibility for more than 500 formats and the ability to export to around 70 different file types, XnConvert truly stands out as a powerful solution for image processing.

JDeli can read and write images in HEIC format. It also provides a complete HEIC conversion between HEIC file formats and many other image file formats. JDeli can convert the image in one step. You can also read and write the HEIC file separately if you need to process the image using Java. Threading can improve the performance of your code reading and writing. JDeli can be used with threads, unlike ImageIO. JDeli has a similar API to ImageIO. It is also easy to switch between the two in your code. JDeli is actively being developed by IDRsolutions' development team, who use it in their other products. Unable to add a platform dependence? JDeli is 100% Java, and does not require plugins or native dependencies.

The Pi7 image compressor tool can compress JPEG images down to 50kb. This tool can reduce the size of JPEG images to 50kb.