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OBJ Converter

OBJ to STL, OBJ, STEP, IGES and more. reaConverter processes 3D files for sharing across different platforms.

OBJConverter
4.8

Over 25 years of experience

Your files never leave your PC

Read what our users say →

How to Convert .obj Files in Bulk

1. Install reaConverter

Download reliable OBJ conversion software to convert multiple .obj files and folders in one go.

2. Select OBJ Files

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

3. Start Conversion

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

Step by step

See It in Action

For quick and effortless OBJ 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.

Extra Tools

Do more with your files

Converting OBJ 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.

Image editing

User reviews

From those who tried it

Average User Rating:
Last updated on June 26, 2026
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
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
Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!
Richard E. Miller
Richard E. Miller
Satisfied Customer
We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!
James L.
James L.
IT Manager
For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables.
Paul Baker
Paul Baker
Happy User
Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines.
Rebecca Turner
Rebecca Turner
Marketing Agency CEO

Questions & Answers

OBJ files: Frequently Asked Questions

Can reaConverter open OBJ files?

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

How do I change OBJ to another format?

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

Can I convert OBJ online?

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

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

The best way to convert OBJ 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 OBJ.

How can I automate OBJ 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 OBJ 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 obj converter.

What else can I do with reaConverter?

Convert CAD formatsSet file dateConvert microscopy filesChange picture sizeConvert DICOM images

What formats can I convert a OBJ file to?

Discover More

Beyond OBJ conversion

Convert .obj 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.

Free trial · Windows 10/11 · v8.0.248 · Files never leave your computer

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