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Help & Info about IrfanView for Windows

  • What is IrfanView?

    IrfanView is a free image viewing and manipulation program available for a wide variety of platforms. In addition to providing a smooth viewing experience for bot small and large albums, it scales images, can save them in a wide variety of formats, and can play several types of animated images.

  • What platforms can run IrfanView?

    Versions of the program exist for Windows as early as Windows 95/98 and the most recent version supports various versions of Windows. There are workarounds to enable running the program on Mac OS X and Linux as well.

  • What formats can IrfanView view and save?

    The program can be used to both view and save the same huge variety of formats. Common supported formats include BMP, GIF, PNG, and JPEG, and others include PDF and ICO. Plugins can enable the program to support other formats that are not available by default.

  • How do I rename a batch of images?

    Under File, select "Batch Conversion/Rename". Add your files to the list, select your desired effect (conversion or rename), select a renaming format if necessary, and select an output directory (or press "Use current 'look in' directory to use the directory you're already browsing). Then add images and press the "Start Batch" button.

  • How do I view a slideshow?

    To view a slideshow of all images in a folder, press Shift+A or select the option "Start or stop automatic viewing" under Options. No check mark will appear, but images will cycle, including if you press Enter to zoom to fullscreen. The speed and other functionality of the slideshow can be changed under Options -> Properties/Settings.

  • How do I crop an image?

    Use the mouse cursor to select the portion of the image that you want to keep. Then, under Edit, select "Crop selection (Cut out)". You may then save the image as modified, or close the program to restore it.

  • How do I take a screenshot with IrfanView?

    Under Options, select Capture/Screenshot. Select a capture method and area on the right and left hand sides, respectively, then select a saving method. After you press Start, you will be able to take screenshots.

  • What other functions does IrfanView have?

    Plugins can add a wide variety of functions to the program. By default, it is capable of bringing up a Paint dialog or resizing images, under Edit, or performing other common editing tasks such as applying filters, under Image. Many functions are contained in those two top row menu options.

  • How do I make IrfanViewer my default viewer?

    In recent versions, select Options, then Set file associations. In more recent versions of Windows, you must run IrfanView in admin mode (by right clicking it and selecting "Run as Administrator") first.

  • What are IrfanView Plugins?

    Plugins can be downloaded from the official website and then installed, generally with an executable. As of this writing, the plugins can be downloaded all in one package, or in one of four sets of plugins.

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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is IrfanView safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

  • Virus free
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  • Malware free

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Scan Info

Last scan
Wednesday, January 7, 2026
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VirusTotal · Full report

File Integrity

File
4.73.exe
SHA256
0a43505ce79ae9401324af304f0bde22d1dd4d00f27dff0cccf62cb7022b770d
SHA1
5fa7d765ea74ceed5809d745652973fd14287fde

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IrfanView has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center