Click the "Select File" button above, and choose your PNB file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert PNB to another file type
To convert PNB backups to another format, you need Private Notepad or other Backup software.
Convert a file to PNB
To convert other file formats to the "Mobile App Data" file type, you need software like Private Notepad or a similar tool.
About PNB files
A .PNB file is a proprietary backup archive created by the Private Notepad application, a widely used secure note-taking tool for Android. These files function as comprehensive snapshots of your digital notebook, storing text notes, checklists, categories, and timestamps, often structured internally using the JSON standard. The primary limitation of the .PNB format is its ecosystem lock-in; the file is engineered to be restored directly onto a mobile device, rendering it virtually useless on desktop operating systems like Windows or macOS without intermediate processing. Users frequently face frustration when attempting to migrate data to a different platform or when creating PC-accessible archives, as standard text editors like Microsoft Notepad may reveal complex code structures or encrypted data rather than readable text. To bypass these constraints and ensure long-term access, it is highly recommended to convert .PNB files to TXT for universal editing, PDF for secure archiving, or JSON for data interoperability.
Convert.Guru analyzes your PNB file, detects the exact format, and lets you read the text inside.
If you want to convert PNB file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use Private Notepad or similar software from the "Android Note Backup" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to PNB, try Private Notepad or another comparable tool in the "Android Note Backup" category.
The PNB 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 PNB converter.