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Edit STL online

100% Free stl file Editor online tools. Free Online stl editor

Drag & Drop STL file or Browse


Drop file here. 150 MB maximum file size.



No sign-up required. Your files are deleted automatically after 24 hours.


Edit STL

What did you think of your recent STL Viewer/Editor experience?

 4.9 (8527 Votes)

Our free stl editor online tools does not required any registrations and installations on your system, 100% free and online fireworks style library (.stl) editor tool. Open from any device with a modern browser like Chrome, Opera and Firefox.

Best & secure online stl editor is custom developed tool by Filproinfo.com, all files processing perform on our own dedicated cloud servers under dynamic file system that automatically remove all processed files from our cloud servers after 1 to 24 hours.

Free Online STL Tools & Apps

Access powerful and secure free online STL tools to convert, view, edit, merge, split, and compare STL files — all without installing any software. Our tools support the .STL (Fireworks Style Library) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your STL files directly from your device with ease.

Related STL File Extensions & Tools

STL default file extension is .STL and other similer related extensions and their tools are:

FAQ

  • ❓ How can I Edit STL (fireworks style library)?

    First, you need to add a file for Editor: drag & drop your STL file or click inside the white area for choose a file. Then click the "Edit" button. It will now allow you to Edit your STL file.

  • ⏱️ How long does it take to Edit STL?

    This Editor works fast. You can Edit STL in a few seconds.

  • 🛡️ Is it safe to Edit STL using free Editor?

    Of course! The download link of STL files will be available instantly after Editing. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File Editing (including fireworks style library .stl) is absolutely safe.

  • 💻 Can I Edit STL on Mac OS, Android or Linux?

    Yes, you can use free Editor app on any operating system that has a web browser. Our STL Editor works online and does not require any software installation.

  • 🌐 What browser should I use to Edit STL?

    You can use any modern browser to Edit STL, for example, Google Chrome, Firefox, Opera, Safari.
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This tool and page updated at: 12-Apr-2025




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