Convert SJ1 to PGM

Convert SJ1 to PGM without uploading files anywhere. reaConverter works entirely on your PC — fast, private, and handles thousands of files at once.

Manual SJ1 to PGM conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

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SJ1 to PGM
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How to Convert Multiple SJ1 Files to PGM?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting SJ1 files in under two minutes.

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Install reaConverter

2. Load your SJ1 files

Open reaConverter and add your SJ1 files. You can load individual files, entire folders, or even nested subfolders.

Drop your SJ1 files into the window or use File menu to browse and select folders.

Load your SJ1 files into reaConverter

3. Select PGM as output format

Choose PGM as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select PGM as output format

4. Start SJ1 to PGM conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your PGM files in the output folder. Click 'Show converted files' to open it directly.

SJ1 to PGM Converter

reaConverter offers the fastest, simplest solution for converting your SJ1 files into PGM in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting SJ1 files for use in a workflow? 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 January 15, 2026
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"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
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
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"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
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"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

SJ1 to PGM Conversion: FAQ

What are SJ1 files?

SJ1 represents an extension used for taking digital photos with an early model of Sega Digio cameras. This was one the first types of LCD digital cameras available and it was distributed in mid 1990s in Japan and Australia. Sega is a Japanese brand best known for its video games software and hardware products. Sega Digio, together with the SJ1 format, is currently considered obsolete.

What are PGM files?

The PGM or Portable Graymap format is part of a package of open source graphics programs called Netpbm. Other Netpbm formats include PPM (Portable Pixmap) and PBM (Portable Bitmap), also known under the collective name of PNM (Portable Anymap). A PGM file includes a grayscale image, can work on a UNIX platform, as well as on Windows or Mac OS X, and can render a scope of up to 255 grayscale colors.

Can reaConverter convert SJ1 to PGM?

Yes! reaConverter instantly converts .sj1 to .pgm 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.

Can I convert SJ1 to PGM online?

If you only need to convert a few SJ1 files to PGM format, feel free to try our free online free online SJ1 to PGM converter — perfect for small batches with no installation needed!

How can I turn SJ1 files into PGM on my computer?

The best way to change SJ1s to PGMs 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 SJ1 to PGM.

How can I automate SJ1 to PGM 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 SJ1 files to PGM using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line sj1 to pgm converter for batch processing.

What else can I do with reaConverter?

Convert GIS filesConvert vector filesConvert picture color spaceConvert Gerber filesCrop photos

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