QIX Converter

Extract text from QGIS spatial index files (QIX)


Drop or upload your .QIX file

How to extract text from your QIX file

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

Convert QIX to another file type

To convert QIX index files to another format, you need QGIS or other GIS software.

Convert a file to QIX

To convert other file formats to the "Spatial Index File" file type, you need software like QGIS or a similar tool.


About QIX files

The .QIX file is a spatial index primarily used by QGIS and other geographic information systems that rely on the GDAL/OGR library. Its main purpose is to accelerate the rendering, drawing, and spatial querying of large vector datasets, most commonly SHP (Shapefile) formats. By utilizing a quadtree index, the GIS software can quickly locate only the map features visible on your screen, rather than scanning the entire geographic database. Users typically encounter .QIX files when downloading public GIS data or exporting maps from spatial databases. The core disadvantage of the .QIX format is that it is strictly a binary indexing tool - it contains absolutely no readable map geometry, attributes, or visual data on its own. It is practically useless if separated from its parent dataset (like the SHP, SHX, and DBF files). Because it is a proprietary-style background file, standard online converters and document viewers will fail to open it, often displaying garbled text. Converting a .QIX file directly into a visual map format like PDF, JPG, or PNG is impossible because the visual data does not exist inside the index. To extract a map, you must load the primary Shapefile into GIS software and export the layout. Since standard converters fail to process this format, just drag and drop your file into convert.guru to identify the format, view its hexadecimal structure, and extract any readable internal text. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.

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

Users also converted CPG, DBF, PRJ, ZIP, SPV, GPKG, SHZ and QGZ files.


FAQ

If you want to convert QIX file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use QGIS or similar software from the "Spatial Data Indexing" 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 QIX, try QGIS or another comparable tool in the "Spatial Data Indexing" category.



The QIX 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 QIX converter.