QDB Converter

Extract text from database files (QDB)


Drop or upload your .QDB file
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How to extract text from your QDB file

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

Convert QDB to another file type

To convert QDB databases to another format, you need DB Browser for SQLite or other Database software.

Convert a file to QDB

To convert other file formats to the "Proprietary Database File" file type, you need software like DB Browser for SQLite or a similar tool.


About QDB files

A .QDB file primarily functions as a structured database file. It is most frequently used as an SQLite database file or a proprietary DSP database by Qualcomm. Additionally, the extension is used by Qbus Building Automation systems, Mentor Graphics ModelSim for simulation debugging, and legacy Quicken 5 & 6 financial software. Standard SQLite .QDB files can be opened and managed using tools like DB Browser for SQLite or standard SQL command-line interfaces. Qbus system files utilize Microsoft's legacy JetDB engine. Users often need to convert .QDB files because the data is trapped inside a specialized or undocumented schema. Proprietary variants require highly specialized software to open and are not supported by standard spreadsheet applications like Microsoft Excel or web browsers. Without the right database client, the information remains inaccessible. The most practical conversion targets are CSV, SQL, or XML. Converting to CSV extracts tables into a flat format that can be easily viewed in Excel, though relational structures and primary keys will be lost. Exporting to SQL is ideal as it preserves the original table schemas and data queries. Many .QDB files are difficult to convert because they employ proprietary data architectures tailored to specific hardware. Emphasize that often only the original software can properly read or export the data. If our analysis detects a supported underlying or embedded format like standard SQLite or JetDB, viewing or conversion may still be possible.

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

Users also converted SQLITE, DB3 and SQLITE3 files.


FAQ

If you want to convert QDB file to DB, SQLITE, SQLITE3, MDB, ACCDB, DBF, ODB, FDB, GDB, MYD, FRM or SQL, you can use DB Browser for SQLite or similar software from the "Relational Database Storage" category. In the File menu, look for Save As… or Export….

To convert NDF, SQLITE3, BAK, RDB, SQL, DB4, MDF, MDB, LDF, DB, DB3 or SQLITE files to QDB, try DB Browser for SQLite or another comparable tool in the "Relational Database Storage" category.



The QDB 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 QDB converter.