View STL and OBJ files instantly in your browser

STL Viewer is a lightweight Chrome extension that opens3D models directly in Chrome. No installs, no uploads—just drag & drop and explore.

Add to Chrome Find on Web Store
Works offline • No sign-up • Free basic viewer
STL Viewer interface preview

Everything you need to inspect 3D models

Fast, private, and simple tools for STL and OBJ files.

Open STL & OBJ

Drag & drop files into Chrome or open them from your file system. No external apps required.

Orbit, pan, zoom

Smooth controls with mouse or trackpad. Inspect details with precision and reset view anytime.

Fast & lightweight

Opens locally in the browser for quick previews—even with large meshes.

Private by design

Files stay on your device. The extension does not upload models unless you open one from a URL.

Dark mode

Comfortable viewing with a dark theme and configurable background colors.

How it works

Three simple steps to get started.

1
Install the extension

Click “Add to Chrome” to install STL Viewer from the Chrome Web Store.

2
Open a model

Drag & drop an .stl or .obj file into Chrome or use File → Open File.

3
Explore in 3D

Orbit, pan, zoom, and toggle lighting to inspect your model.

Install STL Viewer

Frequently asked questions

Yes. Once installed, you can open supported files without an internet connection.

STL (binary and ASCII) and OBJ files are supported.

Very large meshes may be limited by your device's memory. For best performance, simplify models when possible.

Files are opened locally in your browser. The extension does not upload your models unless you explicitly open a model from an online URL.

Yes. You can toggle dark mode and change background/grid visibility to suit your scene.

Privacy-first by design

STL Viewer processes models locally in your browser. There’s no account required and no cloud processing by default. If you choose to open a model from a URL, it will be fetched directly for viewing.

  • No sign-up, no tracking required for core functionality
  • Files remain on your device when opened from local storage
  • Optional online URLs are fetched only to render the model
Install now

Add STL Viewer from the Chrome Web Store.

Add to Chrome
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