GPK Converter

Extract text from GPK files

Select File
Drop or upload your .GPK file

Online File Converter

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How to extract text from your GPK file

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

Convert GPK to another file type

To convert your GPK file to another format, you need Unreal Engine or other Game software.

Convert a file to GPK

To convert other file formats to the "Game Asset Archive" file type, you need software like Unreal Engine or a similar tool.

About GPK files

The .GPK extension represents a diverse set of container formats, most commonly serving as a Game Package for titles built on engines like Unreal Engine 3 (e.g., TERA Online) or the System NNN visual novel engine. These files function as digital vaults, bundling thousands of game assets - such as PNG textures, OGG audio, and OBJ 3D models - into a single, compressed, and often encrypted archive to optimize game loading times. In the civil engineering sector, .GPK refers to a Coordinate Geometry Database used by Bentley GEOPAK for storing road design and topographical data.

The primary challenge users face is that .GPK files are proprietary "black boxes." They cannot be opened by standard operating system tools, and attempting to edit them directly can corrupt the game installation or engineering project. Users often need to access the contents for modding, asset recovery, or archival purposes, but encounter friction due to custom encryption schemes and version-specific software requirements (e.g., legacy GEOPAK versions).

Conversion and Extraction Solutions:

For Game Modding & Art: The ideal workflow is extraction rather than direct conversion. Users should unpack the archive to retrieve usable JPG, WAV, or TGA files.
For Audio: Some .GPK files (specifically in older games or Steinberg WaveLab) are simply renamed OGG or peak files. These can often be converted to standard MP3 or FLAC format for universal playback.
For Engineering: Legacy GEOPAK data should be exported to open standards like LandXML or converted to DWG via Bentley software for compatibility with modern CAD tools like AutoCAD.

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

Users also converted GPKG, SDB, JPEG, PSARC, BMS and PAC files.

FAQ

If you want to convert GPK file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use Unreal Engine or similar software from the "Game Asset Storage" 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 GPK, try Unreal Engine or another comparable tool in the "Game Asset Storage" category.

The GPK 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 GPK converter.