What is a BINARYCOOKIES file?
A .BINARYCOOKIES file is a Safari Cookies File created by Apple. Both macOS and iOS use this format to store web browsing session data, website preferences, and authentication details. Instead of saving cookies as plain text like older browsers, Safari uses a binary format to read and write data more efficiently.
How to open BINARYCOOKIES files?
Because they use a binary structure, you cannot read these files with a standard text editor. If you open them in a basic editor, you will only see scrambled characters. To read the data, you need specialized software, digital forensics tools, or custom scripts. Developers often use Python scripts or open-source parsers on GitHub to convert the binary data into readable text.
Best practices and troubleshooting
Do not modify a .BINARYCOOKIES file in a standard text editor. Saving changes can corrupt your browser session data. If you need to inspect the contents for privacy checks or web development, always copy the file to a different folder first. This keeps your active system files safe.
Software and tools
Native operating systems do not include a default tool to read this format easily. Security analysts often rely on command-line utilities. However, viewer.online/binarycookies can analyze .BINARYCOOKIES files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available. Since file extensions can sometimes be reused by different systems, we recommend using viewer.online/binarycookies to identify the actual format of your specific file safely.
Summary
Ultimately, viewer.online/binarycookies is useful for identifying, inspecting, and understanding .BINARYCOOKIES files without installing software or dealing with compatibility problems.