3D models

BLEND → OBJ

Learn about the formats: What is OBJ?

At a glance

ConvertX.am converts BLEND files to OBJ online, for free and without signing up. Upload a file of up to 500 MB and download the OBJ result; uploaded and converted files are deleted automatically within about an hour.

Input:: BLEND
Output:: OBJ
Price:: Free, no sign-up
File size:: Up to 500 MB
Your files:: Deleted automatically within about an hour

Convert BLEND 3D models from Blender into the universally supported OBJ format instantly. This tool is essential for 3D artists, game developers, and designers who need cross-platform compatibility.

BLEND is the native project file format for Blender, containing complex scene data, object hierarchies, modifiers, and materials. OBJ, on the other hand, is a classic, open standard 3D geometry format that focuses purely on vertices, texture coordinates, and faces. Converting BLEND to OBJ strips away Blender-specific scene logic and non-renderable settings, exporting a clean mesh structure that can be easily imported into almost any external 3D software, game engine, or rendering pipeline.

The conversion between these 3D formats is lossless, meaning your mesh geometry and vertex data are preserved completely. The resulting file size changes only insignificantly depending on the exported mesh density.

Tips

Apply all modifiers in Blender before exporting to ensure the OBJ geometry matches your intended view.
Check 'Include Normals' and 'Include UVs' settings during preparation to retain shading and texture mapping data.
Remember that OBJ does not store complex procedural materials, so you may need to reassign texture maps in your target software.
Triangulate the mesh if your target engine requires strict triangular polygons instead of n-gons.

Common use cases

Importing Blender character and environment models into alternative 3D animation suites like Maya or 3ds Max.
Preparing static 3D assets for integration into game development engines such as Unity or Unreal Engine.
Sharing finalized 3D models with clients or team members who do not use Blender.
Uploading 3D assets to web-based viewers and marketplaces that require standard OBJ geometry files.

Why ConvertX stays free — forever

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Free tools today — and always

Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.

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Privacy-first processing

Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.

File formats: what to choose

A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.

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3D models

Meshes and scenes for 3D printing, games, and CAD.

Common extensions: OBJ, STL, GLTF, GLB, FBX, PLY

Advantages

+ STL is standard for 3D printing
+ GLTF/GLB is optimized for the web and AR
+ OBJ is widely supported in 3D software

Disadvantages

− File size grows quickly with detail
− Materials and animations may not transfer
− Some formats lack units or scale metadata

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Images

Raster and vector graphics for web, print, and photography.

Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF

Advantages

+ WebP and AVIF offer excellent compression for the web
+ PNG keeps transparency and sharp edges
+ SVG scales without quality loss

Disadvantages

− RAW and TIFF files are large and slow to share
− JPEG loses quality on every re-save
− Some formats are not supported in older browsers

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Documents

Office files, PDFs, ebooks, and plain text.

Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT

Advantages

+ PDF locks layout for printing and sharing
+ DOCX and ODT are easy to edit collaboratively
+ Plain text works on any device

Disadvantages

− PDF is hard to edit without special tools
− Complex layouts may shift after conversion
− Scanned PDFs need OCR for editable text

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Video

Clips, streams, screen recordings, and movies.

Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG

Advantages

+ MP4 (H.264/H.265) plays almost everywhere
+ WebM is efficient for web embedding
+ MKV can hold multiple audio and subtitle tracks

Disadvantages

− High-resolution video needs lots of storage and bandwidth
− Re-encoding always takes time and may reduce quality
− Some codecs require licensing for commercial use

Frequently asked questions

OBJ files support basic material definitions via associated MTL files and UV coordinates, but complex Blender node-based materials and procedural textures will not transfer and must be recreated.

No, the conversion is completely lossless regarding mesh geometry. The vertices, faces, and UV coordinates remain intact, and the file size changes insignificantly.

No, the OBJ format is strictly designed for static 3D geometry. Armatures, bone weights, and animations will not be preserved in the exported OBJ file.

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