Compress 3D Models Without Sacrificing Quality
Shrink heavy GLB, GLTF, OBJ, FBX, STL and PLY files by up to 90% in seconds — geometry, textures and animations stay intact. Everything runs locally in your browser.
Lighter models mean faster page loads, smoother frame rates and lower storage bills. Drop in a file, pick a preset, download the result. No account, no upload, no watermark.
Upload Your Model
Drop a 3D file or browse your device. Your model never leaves this browser tab.
Click or drop your file here
Supported formats: GLB, GLTF, OBJ, FBX, STL, PLY
Preview
Upload a model to see it here
🔒 100% client-side processing. Your model is processed in this browser tab and is never uploaded to any server.
What Is a 3D Model Compressor?
A 3D model compressor is a tool that reduces the file size of 3D assets — GLB, GLTF, OBJ, FBX, STL, PLY and more — without visibly changing how they look. It works by removing duplicate vertices, merging redundant materials, pruning unused nodes and applying geometry compression such as Draco or meshopt.
The payoff is practical: pages load faster, AR/VR apps run at higher frame rates, and storage and bandwidth costs drop. Anyone shipping 3D to screens benefits — e-commerce product viewers, game studios, archviz walkthroughs and asset marketplaces alike.
Smaller files
Up to 90% off the original size with no visible quality loss on most models.
Private by design
Compression runs entirely in your browser — files are never uploaded.
Instant results
Most models compress in a few seconds, right on your own device.
Web-ready output
Compressed GLB drops straight into three.js, Babylon.js, <model-viewer> or any AR pipeline.
Why Compress Your 3D Models?
Oversized 3D files are the #1 reason 3D experiences feel slow. Here's what unoptimized assets cost you — and what you gain back.
The cost of heavy 3D files
- ✕
Slow page loads
A 50 MB GLB can add many seconds to first render — visitors bounce before your product even appears.
- ✕
Dropped frames on mobile
Uncompressed meshes choke mobile GPUs, tanking frame rates in AR and web viewers.
- ✕
Storage & bandwidth bills
Asset libraries at full resolution burn through CDN and hosting budgets fast.
- ✕
Marketplace rejections
Many asset stores and app platforms enforce strict file-size limits you can't meet raw.
- ✕
Email & upload friction
Oversized files bounce from email, forms and upload dialogs with arbitrary limits.
What you get back
Up to 90% smaller
Draco and meshopt compression squeeze geometry far beyond simple zipping.
Faster loading
Leaner files mean quicker first paint and less waiting for visitors.
Smoother performance
Optimized meshes render at higher frame rates on phones and headsets.
Lower costs
Less bandwidth and storage consumed across your whole asset library.
Wider reach
Compressed models stream comfortably even on slow connections.
Zero quality anxiety
Preview the result side-by-side before you download — keep the original if you don't like it.
How to Compress a 3D Model Online
Three steps, about ten seconds — nothing ever leaves your device.
Upload your file
Drag a GLB, GLTF, OBJ, FBX, STL or PLY file onto the drop zone, or click to browse.
Pick a preset
Choose Light, Balanced or Max depending on how hard you want to squeeze the file.
Download the result
Preview the compressed model, check the size savings, and download. If a file can't shrink further you get the original back.
Built-In Compression Technology
The same optimization pipeline used by production 3D teams — running in your browser.
Draco geometry compression
Industry-standard mesh compression from Google, ideal for dense models.
Meshoptimizer encoding
meshopt compression with vertex cache optimization for real-time rendering.
Smart geometry cleanup
Duplicate vertices welded, unused nodes pruned, redundant data removed before encoding.
Three presets, zero tuning
Light, Balanced and Max map to proven settings — no codec parameters to learn.
Live 3D preview
Inspect the compressed model next to the original before committing to the download.
Format-aware pipeline
Each input format gets the encoder that suits it best — from textured GLB to plain STL.
Who Uses a 3D Model Compressor?
If you ship 3D to screens, smaller files make everything better.
Web & e-commerce
Product viewers and configurators that load instantly instead of spinning.
Game development
Trim asset bundles and meet engine and store size budgets.
AR / VR apps
Higher frame rates and cooler devices with lighter meshes.
3D printing
Slim down STL and PLY scans before sharing or slicing.
Asset marketplaces
Pass platform upload limits without redoing your work.
Architectural viz
Walkthrough scenes that stream smoothly over ordinary connections.
What Users Say
From game studios to online shops — teams ship lighter 3D every day.
“I trimmed our hero asset from 48 MB to 4 MB in one click and honestly can't tell the difference in-engine. Level load times dropped by half.”
Marcus T.
Indie game developer
“Our 3D product viewer used to take eight seconds on mobile. After compressing the GLB files it's under two. Bounce rate on product pages visibly improved.”
Sofia R.
E-commerce manager
“The browser-only workflow sold me — client NDAs mean I can't upload unreleased models anywhere. This runs entirely offline.”
Daniel K.
AR app developer
“Finally a compressor that shows me the result before I download. The Balanced preset is my default for marketplace uploads now.”
Aiko M.
3D artist
3D Compression — Frequently Asked Questions
Everything about compressing GLB, GLTF, OBJ, FBX, STL and PLY files in your browser.
More questions?
No 3D Model to Compress Yet?
Generate one first — turn a text prompt or a photo into a 3D model, then shrink it here in seconds.
Generate a 3D ModelFree to start · No credit card required