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Free 3D Converter for Ready-to-Use 3D Files

Convert 3D models online for free with Create3D.io, the AI 3D model generator. Upload a GLB, glTF, OBJ, FBX, STL, PLY, USDZ, or 3MF file, preview it in 3D, and export the version you need for web viewers, AR product demos, game engines, 3D printing, or your next AI 3D project.

Free online conversion Web, AR, game & print formats

model.glb

Uploaded to the Create3D.io free converter — previewed and converted in your browser

GLB
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Lighting
Material
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8 formats, both waysGLB, glTF, OBJ, FBX, STL, PLY, USDZ, and 3MF — convert in any supported direction.
Free & unlimitedNo conversion limit — convert as many models as you need, completely free.
Runs in your browserFree preview and conversion happen on your device — files aren't stored.
Keeps what it canCarries PBR materials and textures into formats that support them.
Any source file GLB FBX STL
What is a 3D model converter

Move a 3D model into the format your next step needs

A 3D model converter reads the geometry, materials, and textures inside one file format and rewrites them into another, so an asset built for one tool can be opened by the next. Create3D.io does this right in your browser: upload a model, see it load in a real 3D viewer, then export GLB, OBJ, FBX, STL, PLY, USDZ, or 3MF — no Blender and no plugins.

It's the practical bridge between web viewers, game engines, 3D printing slicers, Apple AR, and AI 3D pipelines that each expect a different file.

Convert a model now See all conversions
From → To

Convert any 3D format to the one you need

Pick the format you already have, then choose where it's going. Every conversion below opens the same free converter — upload your file, preview it, and download the target format.

GLB OBJ

Hand it to classic DCC tools and editors that expect OBJ + MTL.

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GLB STL

Drop the watertight mesh straight into a 3D-printing slicer.

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GLB FBX

Bring a web/AI model into Unity, Unreal, Maya, or 3ds Max.

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GLB USDZ

Ship an AR-ready file for Apple Quick Look on iPhone and iPad.

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GLB PLY

Export raw vertices and colors for research or point-cloud tools.

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GLB 3MF

Send a modern, color-aware build file to your printer.

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glTF GLB

Pack the scene into one portable binary file for the web.

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glTF OBJ

Flatten the scene to geometry for older editors.

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glTF FBX

Move the asset into a game or animation pipeline.

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glTF STL

Get a print-ready solid from a glTF scene.

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glTF USDZ

Turn a glTF asset into an iOS AR experience.

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OBJ GLB

Modernize a legacy model into a single web-ready file.

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OBJ STL

Prep an OBJ mesh for FDM or resin 3D printing.

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OBJ FBX

Import into Unity or Unreal with a game-friendly format.

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OBJ PLY

Convert to a vertex-color point/mesh format.

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OBJ USDZ

Make an old OBJ asset viewable in Apple AR.

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OBJ 3MF

Produce a color 3D-printing build file.

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FBX GLB

Compress a heavy FBX into a lean web/AR delivery file.

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FBX OBJ

Strip to plain geometry for quick edits or sculpting.

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FBX STL

Pull a printable solid out of a game asset.

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FBX USDZ

Stage an FBX prop for iOS AR previews.

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FBX GLTF

Re-author as an open glTF scene.

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STL GLB

Give a print mesh PBR-ready packaging for the web.

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STL OBJ

Open an STL in editors that prefer OBJ.

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STL 3MF

Upgrade plain STL to a richer 3MF build file.

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STL PLY

Convert to a point/vertex format for scanning tools.

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STL USDZ

Preview a printable part in Apple AR before you print.

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PLY OBJ

Turn scan output into an editable mesh.

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PLY GLB

Package a scanned model for web and AR delivery.

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PLY STL

Make a scan watertight-ready for 3D printing.

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PLY FBX

Move scan data into a DCC or game pipeline.

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USDZ GLB

Convert an Apple AR file into the web/glTF standard.

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USDZ OBJ

Extract geometry for editing in classic tools.

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USDZ STL

Print a physical copy of an AR product model.

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USDZ FBX

Bring an AR asset into Unity or Unreal.

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3MF STL

Export a universal slicer-compatible print file.

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3MF OBJ

Open a 3MF build in mesh editors.

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3MF GLB

Show a printable part on the web or in AR.

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3MF PLY

Convert to a vertex-color format.

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Available export options always adapt to the file you upload, so the converter only offers conversions that make sense for your source model.

3D formats covered

Every format creators actually use

Each 3D format is good at a different job. Here's what each one is for and where it usually goes next — so you always convert toward the right target.

GLB .glb

The packed, web-ready glTF binary. Carries geometry, PBR materials, and textures in one file — ideal for browser viewers, product pages, and AI-generated assets.

Convert to OBJ · STL · FBX · USDZ · PLY · 3MF

glTF .gltf

The open, JSON-based scene format behind GLB. Great when you want a readable transmission file with separate mesh, material, and texture data for the web.

Convert to GLB · OBJ · STL · FBX · USDZ
.mtl

OBJ .obj

The everywhere-supported exchange format. Read by almost every 3D tool, often paired with an MTL file for materials. A safe handoff between apps and pipelines.

Convert to GLB · STL · FBX · PLY · USDZ · 3MF

FBX .fbx

The workhorse for games and animation. Holds rigs, transforms, and rich scene data, and slots straight into Unity, Unreal Engine, and DCC apps like Maya and Blender.

Convert to GLB · OBJ · STL

STL .stl

The classic 3D printing format. Pure triangulated geometry — no color or materials — that every slicer understands. The go-to target for prototypes and prints.

Convert to GLB · OBJ · 3MF · PLY

PLY .ply

Built for 3D scans and research. Stores dense meshes with per-vertex color, so it's a natural fit for photogrammetry and point-cloud data you want to reuse elsewhere.

Convert to OBJ · GLB · STL

USDZ .usdz

Apple's AR package for iOS Quick Look. Convert to USDZ when you want a model that drops into AR on iPhone and iPad for product previews and try-in-your-space demos.

Convert to GLB · OBJ · STL
parts

3MF .3mf

The modern successor to STL for 3D printing. Bundles multiple parts, color, and print settings into one project file for richer, manufacturing-ready output.

Convert to STL · OBJ · GLB
Three steps · under a minute

Convert a 3D model online in three steps

No installs and no plugins for free conversion. Upload, inspect, and download — the converter handles the format work for you.

Upload your 3D model

Drag and drop or choose a GLB, glTF, OBJ, FBX, STL, PLY, USDZ, or 3MF file. Create3D.io detects the source format for you.

Inspect the 3D preview

Rotate, zoom, switch lighting presets, and check clay or wireframe modes so you know exactly what you're converting.

Download OBJ FREE

Download the format you need

Pick an available target format and download the converted file — ready for your platform, engine, slicer, or AI workflow.

Built for real workflows

Convert for wherever your model is headed next

The right format depends on the destination. Create3D.io covers the conversions creators reach for most across the web, games, printing, AR, and AI 3D.

Web & ecommerce 3D Convert to GLB or glTF for fast browser viewers, product configurators, and interactive store pages. Convert for the web → Game engines & DCC Move between FBX, GLB, and OBJ for Unity, Unreal Engine, Blender, and asset handoff. Convert for engines → 3D printing Convert to STL or 3MF for slicers, prototypes, print checks, and manufacturing prep. Convert for printing → Apple AR previews Convert to USDZ for iOS Quick Look, AR product demos, and place-in-your-space ecommerce. Convert for AR → AI AI 3D pipeline Generate a model with Create3D.io, then convert the export into whatever your project needs. AI 3D Generator → 3D scanning & research Convert PLY scan data to OBJ or GLB so meshes and vertex color travel into other tools. Convert scan data →
Pick the right target

Which format should you export?

Not sure what to convert to? Start from where the model is going, then export the format that fits.

Putting it on the web Export GLB

One compact file with materials and textures, built for browser viewers, product pages, and shareable links.

Showing it in AR Export USDZ

The format iPhone and iPad use for AR Quick Look, so customers can place the model in their own space.

Sending it to print Export STL or 3MF

STL is the universal slicer format; 3MF adds parts, color, and settings for richer print projects.

Building a game Export FBX or GLB

FBX carries rigs and scene data for Unity and Unreal; GLB is the lighter runtime-friendly option.

Editing in any tool Export OBJ

The most widely read exchange format — a safe choice when you just need the model to open somewhere new.

Keeping scan color Export PLY

Preserves dense geometry and per-vertex color from photogrammetry and 3D scans for research and reuse.

Private by design

Your models stay on your device

The free converter loads and rebuilds your 3D files right inside the browser. Your geometry and textures are processed on your own machine for preview and conversion, so sensitive client work, unreleased products, and game assets never sit on a server waiting to be downloaded by someone else.

In-browser preview and conversion for the free tool — no upload queue to a render farm. No history kept of the files you convert or download with the free converter. Your model is read and rebuilt locally for the free converter, then cleared from the page when you leave.
More from Create3D.io

Keep creating with AI 3D tools

Converting is one step in a bigger workflow. Generate models from a prompt or photo, clean them up, and ship them — all in the same place.

Create a 3D Model Generate a textured, production-ready 3D model from a simple text prompt — the core of Create3D.io. Start creating Image to 3D Upload a photo and get a clean, ready-to-use 3D mesh. Try image to 3D Free 3D Viewer Open and inspect GLB, OBJ, FBX, STL, and more in your browser. Open viewer
Multiview to 3D Upload several photos from different angles and reconstruct one accurate, textured 3D model.
Answers

3D model converter FAQ

Everything users ask before converting GLB, OBJ, FBX, STL, PLY, USDZ, and 3MF files online.

Is the Create3D.io 3D model converter really free?

Yes. Uploading, previewing, choosing a target format, and downloading converted 3D files are free, with no set limit on the number of conversions

Which 3D file formats can I convert?

You can upload GLB, glTF, OBJ, FBX, STL, PLY, USDZ, and 3MF files. The available download formats update automatically based on the uploaded source format, so you only ever see conversions that make sense for your model.

Can I convert GLB to OBJ or STL online?

Yes. Upload a GLB file, wait for the 3D preview to load, choose OBJ, STL, PLY, FBX, USDZ, or 3MF in the export menu, and click Download. GLB is the most common web and AI-generated format, so it converts out to nearly everything.

Can I convert OBJ, STL, PLY, FBX, USDZ, or 3MF to GLB?

Yes. For supported files, the converter loads the model into the browser preview and offers GLB plus other available export formats based on the uploaded source format. GLB is ideal when you need a single, web-ready, textured file.

Can I convert files for Apple AR and iOS Quick Look?

Yes. Choose USDZ export when you need a format for Apple AR Quick Look, iOS AR product previews, or AR-ready ecommerce experiences. Upload a GLB, OBJ, or other supported model and export USDZ.

Can I convert STL or 3MF for 3D printing?

Yes. STL and 3MF are the common 3D printing formats. Convert a web or game model to STL or 3MF, preview it to check the geometry, and send it to your slicer for prototyping or production.

Can I convert FBX or GLB for Unity and Unreal Engine?

Yes. FBX, GLB, and OBJ are widely used in game pipelines. Convert your asset to the format your engine expects, then import it into Unity, Unreal Engine, or other tools.

Do I need Blender, Maya, or other desktop 3D software?

No. The free online 3D converter works in desktop, laptop, tablet, and mobile browsers without installing Blender, Maya, 3ds Max, or any other 3D software.

Does the free converter have a conversion limit?

No. There is no set limit on the number of free 3D file conversions. You can convert supported 3D model formats as often as you need.

Is it safe to upload my 3D models, and do you keep a history?

Free preview and conversion run inside your browser, so your file is processed on your device for these free features. Create3D.io keeps no history of files uploaded or downloaded with the free converter.

Are textures and materials always preserved when converting?

Format capabilities differ. GLB and glTF carry web-ready PBR materials and textures, OBJ may depend on companion MTL and texture files, and STL is geometry-only. The converter prepares the best available export for the selected target format.

What is Create3D.io?

Create3D.io, also written as Create3D, is an AI 3D model generator and online 3D creation studio. You can create 3D models with AI from text or images, then preview, refine, texture, repair, remesh, convert, and export downloadable 3D assets — and this free 3D converter is one of its browser-based tools.

Start converting

Convert your 3D model now — free

Upload a GLB, glTF, OBJ, FBX, STL, PLY, USDZ, or 3MF file, preview it in a real 3D viewer, and download the format your next tool needs. No installs, no limits.

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