HG Converter

Convert HG files without uploading anywhere. reaConverter works offline, handling thousands of files in a single pass.

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HG Files
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HGConverter

How to Convert .hg Files in Bulk

1. Install reaConverter

Download reliable HG conversion software to convert multiple .hg files and folders in one go.
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Install reaConverter

2. Select HG Files

Select HGs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load HG files

3. Start Conversion

Click Convert to start the bulk conversion of all selected HG files. The process will begin right away.
reaConverter - Start HG conversion

Convert HG on your PC

For quick and effortless HG file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

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Do more with your files

Converting HG files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on July 01, 2026
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Jason P. Bailey
Non-Profit Coordinator
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer
"This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"
Kevin Harris
Kevin Harris
Happy User
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
Malik T. Martin
Malik T. Martin
Satisfied Customer
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User

HG files: Frequently Asked Questions

What are HG files?

The .hg file extension is an alternative designation for HPGL (Hewlett-Packard Graphics Language) files, a vector graphics format developed for controlling pen plotters and technical drawing devices. While functionally identical to standard .hpgl files, the .hg suffix was sometimes used as a shortened filename convention in older systems with character-limited naming restrictions (e.g., DOS-era 8.3 filename formats).

Can reaConverter open HG files?

reaConverter fully supports the HG file format – open, edit, and export HG files to any other popular file format with ease.

How do I change HG to another format?

reaConverter is a user-friendly tool for converting HG files. Once installed on your computer, it allows you to convert all your .hg files at once with just a few clicks. You can even convert hg images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert HG online?

If you only want to convert a few HG files, you are welcome to try our free online HG converter.

How can I turn HG files on my computer to another format?

The best way to convert HG files on your PC is to get 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 HG.

How can I automate HG files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert HG files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line hg converter.

What else can I do with reaConverter?

Convert RAW filesConvert Gerber filesCrop imagesConvert GIS filesChange format settings

What formats can I convert a HG file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  cit  dcm  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

Beyond HG conversion

Convert .hg files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
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Free trial · Windows 10/11 · 64-bit · v8.0.241 · Files never leave your computer
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