Click the "Select File" button above, and choose your PK8 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert PK8 to another file type
To convert your PK8 file to another format, you need OpenSSL or other System software.
Convert a file to PK8
To convert other file formats to the "Private Key File" file type, you need software like OpenSSL or a similar tool.
About PK8 files
The .PK8 extension primarily represents a PKCS#8 Private Key, a standard syntax for storing private key information defined by RSA Security. These files are critical infrastructure components, frequently found in Android development environments for signing APKs (e.g., platform.pk8) or within Java-based keystores. The primary problem with .PK8 files is their format rigidity; they are often binary (DER-encoded) rather than text-based, meaning you cannot simply open them in a text editor like Notepad to view the key data. Furthermore, they may be unencrypted or encrypted, requiring specific passwords to access. For broad compatibility with web servers like Nginx or Apache, or for use in SSH clients, users typically need to convert these keys. We recommend converting to PEM (Base64 ASCII) for general server use, PPK for PuTTY, or PFX/P12 for Windows Import.
In a completely different context, a .PK8 file may also be a Generation 8 Pokémon Save File used by Nintendo Switch games. These proprietary binary files are locked to specific consoles and cannot be easily viewed or transferred. Gamers often convert or edit these using tools like PKHeX to modify save data or export Pokémon data to generic formats for backup and analysis.
Convert.Guru analyzes your PK8 file, detects the exact format, and lets you read the text inside.
If you want to convert PK8 file to PEM, KEY, CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF or DAT, you can use OpenSSL or similar software from the "Cryptographic Private Key Storage" category. In the File menu, look for Save As… or Export….
To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to PK8, try OpenSSL or another comparable tool in the "Cryptographic Private Key Storage" category.
The PK8 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 PK8 converter.