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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
Online
HGConverter
4.8

Over 25 years of experience

Your files never leave your PC

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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

Step by step

See It in Action

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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Extra Tools

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

From those who tried it

Average User Rating:
Last updated on August 01, 2026
Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch.
Marcus White
Marcus White
Healthcare IT
Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!
Henry R.
Henry R.
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
So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer
Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly.
Mark Jones
Mark Jones
Happy User
reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically, exactly how I need it. This is pro-level automation made simple.
Chloe M.
Chloe M.
Freelance Illustrator

Questions & Answers

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 PDF filesAdd watermark on imageVectorize imagesChange bit depthConvert medical images

What formats can I convert a HG file to?
hg → aihg → apnghg → avifhg → bmphg → bpghg → calhg → cg4hg → cgmhg → cinhg → cithg → dcmhg → dcxhg → ddshg → dgnhg → dishg → drwhg → dwfhg → dwghg → dxfhg → emfhg → epihg → epshg → faxhg → fitshg → flifhg → gbrhg → gifhg → glbhg → gltfhg → hpghg → hruhg → icohg → iffhg → igeshg → igshg → jp2hg → jpeghg → jpghg → jxlhg → jxrhg → ktx2hg → mifhg → mtvhg → pclhg → pcthg → pcxhg → pdfhg → pgmhg → pichg → plthg → pnghg → ppmhg → prchg → pshg → psdhg → qoihg → qrthg → radhg → rlahg → sgihg → shphg → stephg → stlhg → stphg → svghg → svgzhg → tgahg → tifhg → tiffhg → u3dhg → webphg → webpllhg → wmfhg → wmzhg → wpghg → wrlhg → x3dhg → xbmhg → xpm

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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 · v8.0.250 · Files never leave your computer

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