Best GLB Compressors 2026: Full Comparison

If you are searching for the best GLB compressor in 2026, this guide compares the top tools by compression ratio, privacy, features, and pricing.

Compression ratio overview

99%OptimizeGLB70%Compress-GLB60%iCraft80%3DAiStudio85%ZenCompress0%glTF-Report75%PlugXR

Comparison table

Tool NameCompression RatioFree LimitsProcessing TypeKey FeaturesCompatibilityUser RatingsPrice
OptimizeGLBUp to 99%Free local compression, optional cloud creditsClient-side + optional cloud
  • Private local compression
  • Draco + texture optimization
  • Batch uploads
  • No signup required for local use
GLB, GLTF, WebP, KTX24.9/5Free local, paid cloud credits
Compress-GLBUp to 70%Limited free usageServer-side
  • API access
  • Simple UI
  • Batch support
GLB, GLTF4.2/5Freemium
iCraftUp to 60%Limited trialServer-side
  • Basic optimization
  • Quick export
GLB, GLTF4.1/5Paid plans
3DAiStudioUp to 80%Limited free tierServer-side
  • AI presets
  • Batch tools
GLB, GLTF, FBX4.3/5Subscription
ZenCompressUp to 85%Free tier with limitsClient-side
  • Texture controls
  • Web workers
  • Preview tools
GLB, GLTF4.4/5Freemium
glTF-ReportAnalysis onlyFreeClient-side
  • Diagnostics
  • Performance insights
GLB, GLTF4.6/5Free
PlugXRUp to 75%Limited free tierServer-side
  • Mesh simplification
  • AR-ready exports
GLB, GLTF, USDZ4.0/5Subscription

Why client-side and 99% compression wins in 2026

Privacy by default

Client-side compression keeps proprietary assets on your device and avoids upload bottlenecks. It is the safest and fastest workflow for most teams.

Maximum size reduction

Combining texture compression, quantization, and Draco delivers the highest reductions while preserving visual quality.

Pros

  • Private and fast compression
  • Best-in-class compression potential
  • No account required for local use

Cons

  • Advanced cloud features require credits
  • Large batch exports may take time locally

Ready to compress your GLB files?

Start compressing locally for free with OptimizeGLB. No account required.

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Related reading: Top 7 GLB Compressors in 2026