Local Browser 3D Viewer

OBJ Viewer Online

Open OBJ geometry online and inspect the model from any angle without launching a desktop 3D tool.

Open OBJ file

Best forPortable geometryViewer readsObjects + facesSidecar riskMTL + textures

Open a 3D file to start viewing.

Drop a OBJ file here or choose one from your device.

Your OBJ stays on this device while you inspect its geometry.

Interactive 3D Preview

OBJ GEOMETRY INSPECTION

Open lightweight OBJ geometry without a desktop tool

The compact house is a real OBJ file. It demonstrates local geometry review while keeping external MTL and texture limitations explicit.

OBJ816 facesGeometry preview

Format OBJAppearance Geometry only; no embedded textures

Interactive low-poly OBJ model of an ordinary house

Interactive 3D Preview

OBJ

What is an OBJ file?

A text-based surface description built from vertex coordinates and faces. It is widely used to move meshes between modeling applications.

Structure: Text records define vertex coordinates and faces. Polygon faces may be triangulated for browser rendering.
Appearance: OBJ can refer to MTL and external images. This viewer renders geometry only; it does not load those companions.
Units: OBJ does not reliably declare a physical unit. Check scale and forward/up axes in the importing application.
Typical use: Static mesh exchange and shape review. UVs, materials and topology changes require a suitable editor.

What this OBJ viewer reads

OBJ is a text format describing vertices and faces. This local viewer shows geometry in a neutral material; it does not upload or resolve an MTL and image package.

An OBJ can refer to an MTL file and separate texture images, but that appearance is not embedded in the .obj itself.
File information distinguishes source face records from rendered triangle counts; a polygon face can become more than one triangle.
OBJ usually has no dependable physical unit. Confirm scale and axis conventions in your next application.

Who needs a geometry-first OBJ viewer?

Artists checking a mesh handoff

Review the silhouette and object count before importing into a larger scene. Use an editor for UVs, topology changes and material reconstruction.

Makers preparing an STL export

Check that the OBJ contains a surface rather than only points or lines. Export a sized STL when your next workflow requires it, then inspect the print mesh.

Teams checking a model package

A gray preview does not prove the OBJ is broken. Keep the source MTL and texture images together when another application needs its appearance.

How to open an OBJ file online

01
Choose the mesh file
Select one .obj or load the public sample. This viewer accepts the geometry file, not a ZIP package of OBJ, MTL and images.
02
Inspect the shape
Drag to rotate, zoom for detail and reset the camera when needed. The neutral surface helps you review shape without texture distractions.
03
Continue in the right tool
Convert the OBJ to STL for a sized surface handoff. For editing or materials, use an OBJ importer in a mesh editor and preserve any required sidecars.

Try these checks on my file

Read an OBJ preview without confusing shape and color

This preview focuses on geometry. A complete rendered asset may need files and editing work beyond the OBJ.

Check faces and objects

Look for missing surfaces and separate pieces. OBJ objects, polygon faces and rendered triangles are different counts; comparing them as the same number is misleading.

Preserve material companions

MTL material names and relative image paths must match for an editor to load them. This single-file viewer does not load those companions.

Verify axes and unit scale

A model can appear sideways or at an unexpected size when moving between applications. Check the editor's axis and scale options and measure a known dimension.

OBJ INSPECTION

Why use a browser preview first?

Check an unfamiliar file before you open a larger project or choose a conversion workflow.

01 / FOCUS

No account for local viewing

Open an existing model without signing in or using generation credits. You can test the viewer with a public sample first.

02 / FOCUS

Review without editing the source

Camera movement and display controls change the preview, not the file on your device. Keep your original while deciding the next step.

03 / FOCUS

The next action stays visible

Read the file information, then choose a compatible converter, a mesh check or your own editor. Viewing and AI generation remain separate workflows.

OBJ SIDECAR LAB

Understand OBJ Material Sidecars

Use this file-package illustration to understand why an OBJ can open without its appearance. It explains a handoff; this local viewer loads geometry only.

product.objGeometry present

product.mtlMaterial map missing

textures/Texture images missing

Assemble a sample OBJ package

The OBJ can open while its appearance is still incomplete

OBJ geometry usually relies on sidecar files. Toggle the related files to see what a complete handoff requires.

File names and relative texture paths must still match inside the MTL.

NEXT ACTION

Useful Next Steps

Do not force every file into the same workflow. Choose the next action based on what this format actually contains.

01 / STEP

Convert OBJ to STL

Set a millimeter size and export the OBJ surfaces for a slicer.

OBJ to STL

02 / STEP

Open a GLB file

Preview a packaged web 3D asset with materials and textures.

GLB Viewer

03 / STEP

Open an STL file

Inspect mesh-only geometry for a printing workflow.

STL Viewer

HELP & SUPPORT

OBJ Viewer Questions

Clear answers to common questions about generating, inspecting, repairing, and downloading 3D assets with Fomrix.

Have other questions?

Contact Fomrix support

Need guidance on a specific reference image, custom formats, or print prep? Reach out anytime.

support@fomrix.com

Can I view a OBJ file online without installing software?

Yes. The Fomrix OBJ viewer is designed to open supported files directly in a modern browser so you can inspect the model without launching a desktop 3D application.

Can I rotate and zoom the model?

Yes. Use mouse or touch controls to orbit around the model, zoom in and out, and reset the camera when needed.

Does the viewer change my original file?

No. Viewing a file does not modify the original asset. Conversion or repair is handled as a separate action.

Can I use the viewer on mobile?

The interface should work on modern mobile browsers, although very large 3D files can be slower to load on devices with limited memory.

What should I do if the file does not load?

Confirm that the file extension matches the actual format, try a smaller model, and check whether external textures or related files are required. If the geometry itself is damaged, use the relevant repair workflow where available.

Why does my OBJ model appear without textures?

The OBJ may depend on a separate MTL file and image textures. Keep those sidecars together, preserve relative paths and verify that the material names match.

Can an OBJ 3D model viewer load an MTL automatically?

Only when the related file is available and its path can be resolved. A standalone OBJ does not necessarily contain its complete visual appearance.

Inspect Your OBJ From Every Angle

Open the model locally, rotate and zoom the geometry, then continue with the preparation tool that matches your workflow.

Open OBJ File Or create a new 3D model