You can use this free online tool without hassle to fix your stl files quickly. Files are deleted after download or otherwise after 6 hours to keep our systems clean. The fixer accepts binary and ascii .stl files.
Your donation supports our development and server cost. We thank you in advance!
We have a API version of the tool available in beta. Pricing starts at 100EUR per month. This includes unlimited fixes in your private queue. Interested? contact us
Next to our free tool, which will stay free, we are still considering adding a version with more benefits for a small monthly fee.
Tell us what you think with this 1min. survey:
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13 feb 2026: over the last couple of months we've worked hard to scale service. As of today, we've added more capacity which should lower queue times.
It can happen we don't get notified or are busy doing something else. Give us an email or call at the info in the footer below. We're in Amsterdam time zone.