3D CAD CONVERTER

Professional 3D Conversion. One-Time Price.

15+ formats · STEP/IGES surface repair · Tessellation control · Batch processing · No subscription

Best value — own it forever
Own it
$179
One-time payment
Yours forever. All updates. No subscription.
Buy Now!
Subscribe
$39
$39 per quarter
approx. $156/yr if you keep it
Lowest entry. Cancel anytime.
Subscribe Now

Own or subscribe

From payment 5 on, subscribing costs more than owning

Subscribe: $39 per quarterPaid more than owningOwn it: $179 once
Four payments of $39 add up to $156 in the first year, less than the $179 license. Payment 5 brings the total to $195, and every payment after that adds to the gap.

No per-seat SaaS, no annual seats, no login. One license, installed on your machine — runs fully offline, even air-gapped.

30-day money-back guarantee Buy with confidence. If it doesn't fit your workflow, email us within 30 days for a full refund — no questions asked. Read our refund policy
✓ 30-Day Money-Back Guarantee ✓ Instant Key Delivery ✓ Secure Stripe Checkout ✓ Cancel anytime

Sold by ContentaSoft AB · Secure Stripe checkout · We never see your card details

All prices in USD. Your bank may apply currency conversion.

All plans include

✓ 15+ 3D formats (STEP, IGES, STL, OBJ...)
✓ STEP/IGES surface repair, and mesh reduction from the command line
✓ Batch folder conversion
✓ Tessellation control
✓ Unit & axis conversion
✓ Assembly support
✓ 3D preview & inspection
✓ CLI & automation
✓ 100% offline — no cloud
✓ Premium support

Trial or license

What the free trial gives you, and what a license adds

Free trial
Own it
Subscribe
Conversions
Conversions10
ConversionsUnlimited
ConversionsUnlimited
How long
How long30 days from first launch
How longForever, updates included
How longWhile you subscribe
Features
FeaturesEvery feature
FeaturesEvery feature
FeaturesEvery feature
Watermark
WatermarkNever
WatermarkNever
WatermarkNever
Price
Price$0, no card
Price$179 once
Price$39 per quarter
After the 10th conversion or on day 30, converting stops until you enter a license key. Files you already converted stay yours, with no watermark.

Frequently Asked Questions

What 3D formats are supported? +
STEP (AP203, AP214, AP242), IGES, STL (ASCII & binary), OBJ (with MTL), 3MF, VRML, DXF (3D), PLY, BREP, glTF/GLB, FBX, Collada (DAE), AMF, X3D, and OFF.
Is it really a one-time payment? +
Yes. The Lifetime plan is a single payment of $179 — no subscription, no recurring charges. You own the license forever, including all future updates.
Does it work offline? +
Yes — 100% offline. No cloud processing, no internet connection required, no file uploads. Your intellectual property and CAD files stay on your machine.
How many computers can I use it on? +
One personal license covers up to 2 computers. If you need more, contact support for volume licensing.
What about updates? +
All plans include software updates and new features. Lifetime license holders receive all updates forever. Subscription plans receive updates during the active subscription period.
Can I cancel anytime? +
Yes, you can cancel your subscription at any time. No questions asked. The Lifetime plan has no recurring charges to cancel.
I lost my license key. Can I get it again? +
Yes — use our key recovery page. Enter your purchase email and we will resend your key immediately. Lost your key?
Purchase & license details

Your purchase includes:

1. One personal registration key (receive it instantly)
2. Unlimited use of the version you purchased
3. Encrypted secure order process
4. Recoverable license (if you lose it, just ask us)
5. Software updates and premium technical support

License terms:

One personal license for up to 2 computers. Includes all updates and premium support.



Subscription information

Your subscription will automatically renew unless cancelled within 24 hours before the end of the current period.
You can cancel anytime with the link received by email after the order.

How to register?

When you have your download link and registration code, do the following:
  • Download and install 3D CAD Converter
  • Run it
  • Select in menu: Register
  • Paste your email address and personal registration key
  • Click on the button 'Register'
  • You are done. Your software is successfully registered!