FAQ
GEN to FLIF Conversion
What are GEN files?
GEN is the General Information File of ARC Digitized Raster Graphics (ADRG), a military raster map format defined by the U.S. National Imagery and Mapping Agency, now the National Geospatial-Intelligence Agency (NGA), in the MIL-A-89007 specification. ADRG was designed around 1989 to provide a digitized map or chart background for mission planning, command and control, and cockpit display systems. A dataset consists of several files: the .gen file holds the descriptive information and the names of the image files, while the .img files hold the actual picture, which is a scanned paper map or chart. A transmittal header file with the .thf extension may also be present. The data are georeferenced with the ARC system, which divides the earth into 18 latitudinal zones, and are traditionally distributed on CD-ROM.
What are FLIF files?
FLIF (Free Lossless Image Format) is a royalty-free format launched at the end of 2015 as "work in progress" with the aim of offering a better alternative for storing lossless images than the existing PNG, WebP, BPG, JPEG2000 and JPEG XR. FLIF provides similar image quality as the other extensions, but in a file size than can be up to 74% smaller. The new format uses a form of the Adam7 algorithm for compressing images, offering progressive interlacing that allows users to obtain a reasonable encoding of an image even from a partial download.
Can reaConverter convert GEN to FLIF?
Yes! reaConverter instantly converts .gen to .flif with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.
What is reaConverter used for?
reaConverter is a Windows converter for 800+ formats, GIS data among them. For GEN to FLIF it replaces the usual detour through QGIS, ArcGIS or ogr2ogr: add the files, pick the output format, and the whole batch converts offline. Surveyors, planners and engineering teams use it to pass data between GIS, CAD and everyday document formats.
Why choose offline conversion with reaConverter?
reaConverter is a software program that is used for offline files conversion. Your proprietary documents never leave your computer – essential for architects, engineers, healthcare and government contractors handling classified projects. Meets GDPR, HIPAA, CCPA, and corporate security policies by ensuring files never cross borders or third-party systems.
Can I convert GEN to FLIF online?
If you only need to convert a few GEN files to FLIF format, feel free to try our free online free online GEN to FLIF converter — perfect for small batches with no installation needed!
How can I turn GEN files into FLIF on my computer?
The best way to change GENs to FLIFs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from GEN to FLIF.
How can I automate GEN to FLIF files conversion?
reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.
Is there a way to convert GEN files to FLIF using the command prompt?
reaConverter provides full access to all its features via Windows command line, including a high-performance command-line gen to flif converter for batch processing.
What else can I do with reaConverter?
Convert vector imagesChange image DPIConvert Gerber imagesConvert picture color spaceConvert CAD formats
Related conversions
Other ways to convert GEN files, and other sources that convert to FLIF.
