SIDN Converter

Extract text from iTunes authorization files (SIDN)


Drop or upload your .SIDN file

How to extract text from your SIDN file

  1. Click the "Select File" button above, and choose your SIDN file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert SIDN to another file type

To convert SIDN authorization files to another format, you need Apple iTunes or other Settings software.

Convert a file to SIDN

To convert other file formats to the "Authorization Data File" file type, you need software like Apple iTunes or a similar tool.


About SIDN files

A .SIDN file is an iTunes Authorization Data File created by Apple iTunes. It is used to store machine-specific digital rights management (DRM) tokens. When you authorize a computer to play protected movies or music purchased from the iTunes Store, the software generates this file to verify your hardware permissions.

This format has significant disadvantages for average users. It is a closed, proprietary, and heavily encrypted binary file. Because it is securely tied to your specific hardware profile, it cannot be transferred to another computer or opened with a standard text editor. It does not contain media or readable documents, which makes it useless outside of the Apple ecosystem.

Because this is a closed, proprietary format, standard online converters fail to process it. There is no valid way to convert a .SIDN file into an MP3 or PDF because the source file only contains a cryptographic security hash, not actual user data. Often, only the original software can properly read or manage the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.

Convert.Guru analyzes your SIDN file, detects the exact format, and lets you read the text inside.


FAQ

If you want to convert SIDN file to TMP, TEMP, CACHE, LOG, BAK, OLD, NEW, PART, DOWNLOAD, CRDOWNLOAD, LOCK or PID, you can use Apple iTunes or similar software from the "DRM Authorization Token Storage" category. In the File menu, look for Save As… or Export….

To convert DEVICE, CACHE, SOCK, SYMLINK, PID, MOUNT, FIFO, LOG, PIPE, TMP, JUNCTION or TEMP files to SIDN, try Apple iTunes or another comparable tool in the "DRM Authorization Token Storage" category.



The SIDN Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our SIDN converter.