EnglishJPG images are ending
JPG images, which have been everywhere on the internet for decades, are now on the decline. New technologies like AVIF and WEBP offer higher quality and efficiency. Why are you probably already using...
Descriptions, file types and the programs that open, edit or convert each format.
Type the extension name, for example pdf, docx or mp4.
34,383 file extension records in our database 9 languages since 2005
Pick any file and find out what it really is: file format detected by its signature (magic bytes), HEX preview, checksums, text encoding, image and archive details – and a link to the matching file extension in our database with software that opens it.
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Check whether two files - even with different names - contain exactly the same data. Verify that a download matches a trusted copy, compare versions, or spot a renamed or potentially tampered file using size, type, and SHA-256. Everything runs locally in your browser; nothing is uploaded.
JPG images, which have been everywhere on the internet for decades, are now on the decline. New technologies like AVIF and WEBP offer higher quality and efficiency. Why are you probably already using...
When managing storage on a Windows PC, especially on devices with small SSDs, you may encounter a large file called hiberfil.sys. This system file can take up several gigabytes of disk space, leaving...
Short howto instructions about enabling or disabling the showing of know file types in Windows 11.
A file extension or filename suffix is usually three, four, or more characters at the end of computer file names, divided by a dot.
File extensions help users identify file types and formats when working with a computer file. Operating systems also use them to associate the file type with the appropriate application that opens the file.
For example, the file extension .txt tells your computer that the file is a text file and should be opened with a simple text editor, like Notepad on Windows or TextEdit on macOS.