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Convert3D
Copenhagen, Denmark and Zurich, Switzerland
What it is
Convert3D converts 3D models between formats such as FBX, OBJ, USDZ, and STEP, with more than 1,000 possible format conversions listed. The browser converter uses WebAssembly for local processing and says files stay on the user’s computer, though some files may be handled by Convert3D or partner servers and API processing is server-side. A preview lets users rotate, zoom, and pan models before export. The browser viewer can show scene hierarchy, node properties, material details, wireframe view, and material maps. Compression presets are low, medium, and high, with optional geometry, quantization, and texture settings; compression is advertised up to 80%. Desktop apps are available for Mac, Windows, and Linux. Developers can use the REST API for batch conversion in applications, pipelines, and automation workflows; its page says models are encrypted in transit and at rest and deleted after processing. The Free API plan costs nothing for 10 conversions. Paid plans cost $899 a year, $1,799 a year, or $4,899 a year.
For and against
For
- Lists more than 1,000 possible conversions
- Previews models before export
- Offers desktop apps for three operating systems
- Provides a REST API with batch operations
Against
- Some files may be processed on remote servers
- API processing is server-side
- Paid plans start at $899 a year
The verdict
Convert3D combines browser conversion and model viewing with desktop apps and an API. The local-processing description has exceptions, so review the stated privacy limits when choosing a workflow.
Who it suits
Convert3D suits people converting and inspecting 3D models, as well as developers integrating batch conversion into applications, pipelines, or automation workflows.
Plans and prices
Free API
10 conversions/month · no commitment
Read 28 Sep 2026 · convert3d.org
Starter
5,000 conversions/year
Read 28 Sep 2026 · convert3d.org
Growth
15,000 conversions/year
Read 28 Sep 2026 · convert3d.org
Scale
100,000 conversions/year
Read 28 Sep 2026 · convert3d.org
Custom enterprise
For more than 100,000 conversions/year
Read 28 Sep 2026 · convert3d.org
On the record
- API
- The developer API is a REST API for integrating 3D model conversion into applications, pipelines, and automation workflows, with batch operations.convert3d.org · read 28 Sep 2026
- API security
- The API page says models are encrypted in transit and at rest and automatically deleted after processing.convert3d.org · read 28 Sep 2026
- Browser conversion
- The online converter processes models locally in the browser using WebAssembly and says files do not leave the user's computer.convert3d.org · read 28 Sep 2026
- Compression
- The compressor offers low, medium, and high presets, with optional geometry, quantization, and texture settings; it advertises compression up to 80%.convert3d.org · read 28 Sep 2026
- Desktop app
- Convert3D offers a desktop app for Mac, Windows, and Linux that opens 3D models from the file system.convert3d.org · read 28 Sep 2026
- Format support
- The website says it supports more than 1,000 possible format conversions, including USDZ and STEP.convert3d.org · read 28 Sep 2026
- Intended users
- The API page describes the service as suited to applications, pipelines, and automation workflows, with plan descriptions for prototypes, growing businesses, and enterprise usage.convert3d.org · read 28 Sep 2026
- Preview
- The converter previews models in 3D so users can rotate, zoom, and pan before exporting.convert3d.org · read 28 Sep 2026
- Privacy limits
- The privacy policy says most website conversion is local, but some files may be processed on Convert3D or partner servers, and API processing is server-side.convert3d.org · read 28 Sep 2026
- Purpose
- Convert3D converts 3D models between a wide range of formats, including FBX and OBJ.convert3d.org · read 28 Sep 2026
- Support
- The maker lists [email protected] for contact and links to a Discord community.convert3d.org · read 28 Sep 2026
- Viewer
- The browser viewer can show scene hierarchy, node properties, material details, wireframe view, and material maps.convert3d.org · read 28 Sep 2026
