SDG Converter

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

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reaConverter
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SDG Files
Online

How to Convert .sdg Files in Bulk

1. Install reaConverter

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

2. Select SDG Files

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

3. Start Conversion

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

Convert SDG on your PC

For quick and effortless SDG 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 SDG 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
"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
"Converts files in seconds! Finally a tool that's both fast and simple to use."
Wei Chen
Wei Chen
Happy User
"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
"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
"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

SDG files: Frequently Asked Questions

What are SDG files?

The SDG format is associated with StarOffice, a software pack released in mid-1980s and including a document reader, a macro recorder and a software development kit, among others. StarOffice was discontinued in 2011 and a part of its source code can be found in the currently available OpenOffice. SDG represents a StarOffice Gallery format and is now an uncommon file, probably difficult to open using regular image viewers.

Can reaConverter open SDG files?

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

How do I change SDG to another format?

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

Can I convert SDG online?

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

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

The best way to convert SDG 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 SDG.

How can I automate SDG 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 SDG 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 sdg converter.

What else can I do with reaConverter?

Convert RAW filesConvert Gerber filesCrop imagesConvert GIS filesChange format settings

What formats can I convert a SDG 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 SDG conversion

Convert .sdg 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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