| What it does | Convert glTF and GLB 3D scenes to STL in your browser without uploading
| REST API for programmatic HTML document and image conversion
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free tier (10 conversions/day, 10 MB files), Free Account (20 conversions/day, 50 MB files), Premium (€9.99/mo or €95.99/year: unlimited conversions, 200 MB files, REST API 60 req/min), Premium Plus (€29.99/mo or €287.99/year: 1 GB files, 500 req/min API). API credits: 1,000 credits $12.00 one-off o
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| Key features | - Converts .gltf and .glb files to .stl format
- Processes files locally in browser with no upload to server
- Flattens 3D geometry and merges mesh nodes into single triangle list
- Decodes Draco-compressed GLB files
- Unit conversion for 3D printing (millimetres, centimetres, metres, inches)
- Supports .gltf files with separate .bin and texture files
- Drops materials, textures and animations as STL cannot store them
- Expands mesh instances to separate triangle copies
| - Asynchronous conversion with submit, poll, download workflow
- API key authentication with rate limits and monthly quotas
- Credit-based pricing with no overage charges
- Support for multiple file formats including PDF, images, and spreadsheets
- Usage tracking endpoint to monitor allowance and consumption
- No SDK required, simple HTTP requests with any client
- Batch processing and file management
- Webhooks and batch API on Premium Plus
- White-label option to remove branding from outputs
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| What makes it different | - Files never leave your device - all processing happens locally in the browser
- No account, login, upload queue or file size limits
- Tested against fixed fixtures and real third-party exporters
- Handles glTF 2.0 standard in both text (.gltf) and binary (.glb) formats
- Built by team maintaining single-purpose, independent 3D web utilities
| - No installation or configuration required beyond an API key
- No overage charges or surprise bills for quota overages
- Fast conversions completing in under a second for most formats
- Premium users get unlimited API access with no credit cost
- One-time purchase credits never expire versus subscription options
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 16 ▼ −1 (down) since last check | 21 ● no change since last check |
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| Trust Flow (Majestic) | 7 | 11 |
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| Citation Flow (Majestic) | 19 | 10 |
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| Referring domains (Majestic) | 4 | 4 |
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glTF to STL Converter
html.now