nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.




Universal Viewer is described as 'Advanced file viewer for wide range of formats. Supported file formats are:' and is a PDF Reader in the office & productivity category. There are more than 100 alternatives to Universal Viewer for a variety of platforms, including Windows, Mac, Linux, Android and Web-based apps. The best Universal Viewer alternative is nomacs, which is both free and Open Source. Other great apps like Universal Viewer are Evince, MPC-BE, qView and PicView.
nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.




Evince (or GNOME Document Viewer) is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS, SyncTex support with gedit, comics books (cbr,cbz,cb7 and cbt) and others. See Supported Document Formats for details.




Media Player Classic - Black Edition (MPC-BE) is a fork of MPC and MPC-HC. It moved away from MPC's aim to mimic the look and feel of Windows Media Player with updated player controls and provides additional features on top of MPC-HC such as a video preview tooltip when...




Fast and lightweight Qt-based image viewer with support for Windows, macOS, and Linux. Features include multiple format support, customizable interface, GIF playback, high-resolution display compatibility, and efficient navigation through keyboard shortcuts.




PicView is a fast, free and fully customizable picture viewer for macOS and Windows 10/11. It supports virtually all image file types, including (animated) WEBP, (animated) GIF, SVG, AVIF, HEIC, PSD and many others.




Qt5 image viewer with optional video support. Ability to quickly copy / move images to different folders. Can open some extra formats (JPEG-XL, AVIF, APNG, HEIF/HEIC, RAW) via third-party image plugins.




Archive manager for macOS. Open source, because essential tools should be free. Preview (nested) archives without extracting them.



PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin.



Bandizip is a powerful archiver which provides an ultrafast processing speed and convenient features. Available free of charge, and its paid editions support a variety of advanced features.




its an archive format tool NOT a universal file format viewer


This alternative is disputed. Bandizip is a legitimate Universal Viewer alternative, but it might have issues that some users think are important.
Offers organization, viewing, and editing tools for digital images, supports over 700 RAW formats, enables metadata embedding and syncing, dynamic category and keyword filters, workflow optimizations, non-destructive edits, detailed image preview, and sharing options.












NOT universal formats, primarily PDF