3D Topo Generator

Restore a portable 3D Topo project from a saved manifest.

Map workspace

Map Elements

Switch between terrain areas, imported routes, and landmarks.

Upload GPX, KML, or GeoJSON routes, then frame the terrain you want to print.

Manage the landmarks placed on your map.

Created by Carmelo Sammarco

Sicilian4Ever

🔑 OT API Key

OpenTopography API Key

To use this application, you need a free API key from OpenTopography. Your API key is saved in your current browser session and synced to your account for cloud processing.

❌ No API key configured

API Key: Don't have an API key? Get one for free here →

ℹ️ Important Information

Your API key is stored in session storage for browser mode
Your key is also synced to your account for cloud processing jobs
You can overwrite the key anytime by saving a new one
Free API keys have usage limits - check OpenTopography for details

🚀 Processing Mode

Choose how your 3D terrain models are generated

Browser Processing

LOCAL

Process locally on your device using Web Workers for optimal performance

✓ Works offline
✓ Generation and preview are free
💰 One pass unlocks every model export
⚡ Web Workers enabled

Cloud Processing

CREDITS

Run large model generations on dedicated cloud infrastructure with prepaid credit packs.

⚡ Ultra-fast processing
🌍 No fixed app area ceiling
📱 Perfect for mobile
💰 Pay-per-use pricing

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Shared credits

The same balance pays for Browser Export Passes and Cloud jobs.

Available balance— credits

One-time PayPal payment (no subscription). Cards are supported through PayPal checkout. Cloud Processing is currently in development. Purchase and activation controls are temporarily disabled.

Set Bounding Box

Enter the geographic limits directly when exact, repeatable coverage matters.

Box name (optional)

South latitude West longitude North latitude East longitude

Purchased Models

Restore locally archived Browser configurations without repurchasing their exports.

Remove from this view hides an item only in this browser; it does not delete the purchase. Importing the matching project JSON later makes it visible again and restores the unlocked downloads for that exact configuration without another charge.

Loading purchased configurations…

☁️ Cloud Jobs

Track your submitted cloud jobs in real time. Downloads remain available until artifact cleanup runs.

Download links are intended for short-term reuse and may expire after 1 day.

No cloud jobs submitted yet.

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