Overview

Sketchfab is a platform for publishing and discovering 3D models, with an interactive viewer that can be embedded in websites. It suits creators who need to present work online and teams that want a way to surface models in a web experience. Its broad format and integration support is balanced by per-model upload caps and download permissions controlled by each model’s owner.

Key features

Viewer and editor

The embedded viewer supports 3D and VR viewing without sending visitors away from the host site, making it useful for portfolios, product pages, and other presentations where the model itself should remain the focus. A built-in editor adjusts orientation, materials, lighting, camera parameters, and post-processing filters. These controls offer meaningful presentation flexibility, though they are aimed at the model’s appearance in Sketchfab rather than replacing a full 3D production workflow.

Formats, integrations, and APIs

Uploads support formats including OBJ, FBX, Blender, STL, and glTF. Exporter plugins for Blender, Maya, SketchUp, Unity, and ZBrush provide routes from established 3D tools into the platform. APIs cover uploading models, accessing data, downloading models, and controlling or embedding the viewer, so developers can connect Sketchfab to a wider publishing flow.

There is an important distinction between upload and download support: the Download API serves glTF, GLB, and USDZ, not source formats such as FBX or OBJ. Model downloads are also available only when the owner permits them. That makes Sketchfab a strong presentation and discovery platform, but not a guarantee that a browsable model can be obtained as an editable source file.

Licensing and traffic

Commercial licensing is supported with custom scope, so buyers should confirm the terms for the specific asset before using it commercially. Model traffic is generally not limited, but Sketchfab may require an upgrade if an account’s traffic exceeds that of 99% of customers. That qualification matters for high-traffic embeds: an otherwise suitable plan does not promise unlimited traffic under every circumstance.

Pricing

Sketchfab is freemium. Basic costs 0.00 USD per free and caps each model at 50MB, which is suitable for smaller uploads but restrictive for heavier assets. Pro costs 15.00 USD per month, billed yearly at $180, and raises the per-model cap to 200MB while adding private uploads. It fits creators who need larger files or work they do not want public; the yearly billing is the term to account for.

Premium costs 79.00 USD per month, billed yearly at $948. Its 500MB per-model cap and advanced embed customization make it the more appropriate paid tier for substantial models or tailored web presentation, but it is a significant step up from Pro. Enterprise uses custom pricing and is directed at organizations with global scale, security, and support needs. Sketchfab directs users to Support for assistance.

Platforms

Sketchfab supports Android, iOS, Linux, macOS, Windows, and the web, with API access for software integrations and custom workflows. This range makes it relevant to both individual viewers and cross-platform publishing projects.

Who it's for

Sketchfab can serve artists, designers, architects, hobbyists, engineers, brands, museums, game studios, and schools. It is particularly well suited to people who want to publish, showcase, embed, or programmatically manage 3D content. Readers primarily seeking downloadable source files should check owner permissions and the available download formats first.

Pros and cons

Pros: The embedded viewer supports both 3D and VR, so audiences can inspect models without leaving a website.
Pros: The editor, broad upload-format support, exporter plugins, and APIs cover several stages of publishing and presentation.
Pros: The free Basic plan offers a no-cost way to publish models, with paid tiers available for larger files and private uploads.
Cons: Basic’s 50MB file cap can exclude larger models, while Pro and Premium require yearly billing.
Cons: API downloads are limited to glTF, GLB, and USDZ, and owners decide whether their models can be downloaded at all.
Cons: Commercial license scope is custom, and unusually high traffic may trigger an upgrade requirement.

Alternatives

For a broader comparison, see 3D Asset Libraries and 3D Model Viewer Software.

Choose CGAxis if a freemium asset library with a monthly download-credit allowance better matches your needs; its Essential plan is 16.00 USD per month billed yearly at $190, with 30 credits per month. ambientCG is a free alternative for downloadable assets under CC0. Blendkit is worth considering for its free collection of models, materials, scenes, HDRIs, and brushes, plus 200 MiB of private storage. Daz 3D offers free Daz Studio, starter content, monthly Legacy content, and cross-platform exporters. Unity Version Control is a freemium option when version control is the priority; its free tier includes unlimited cloud seats and 25 GB storage. LotPixel may suit a single user seeking a yearly credit-based asset plan, with its Freelance yearly plan priced at 10.00 USD per year and a $150K revenue cap. Poly Haven offers a public asset library with no paywalls or signup and CC0 assets. Evermotion is another web-based freemium option.

Verdict

Choose Sketchfab if your priority is to publish and present interactive 3D models through an embeddable viewer, with editing controls and API access alongside it. Look elsewhere if you need dependable source-file downloads or want to avoid yearly billing for the paid upload limits: owner permissions, API output formats, and plan caps are real constraints.

	Sketchfab	STLView
Free plan	Yes	No
Free trial	No	No
Paid from	$15/mo	—
Open source	No	No
Platforms	Android, api, iOS, Linux, macOS, Web, Windows	Windows
Free plan	Yes	Yes
Supported platforms	—	Windows
Supported file formats	—	STL

Sketchfab vs STLView

Sketchfab

STLView