Open .hgt Files Online Free — No Software Needed

Open HGT File Online — Free & Instant

No signup required. Works in your browser.

✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install

What Is a .hgt File?

HGT (.hgt) is a gis file format. SRTM Height File It is commonly used by cartographers and urban planners and created by NASA.

Step-by-Step: How to Open .hgt Files in 2026

Follow these steps to open any .hgt file online without installing software:

1. Go to OpenAnyFile: Navigate to openanyfile.app
2. Upload: Drag and drop your .hgt file or click Browse
3. Auto-detection: The system identifies the HGT format using signature analysis
4. View: Map and overlay the file contents in the browser
5. Analyze: Use AI-powered analysis to understand the file structure and metadata
6. Convert: Optionally convert to TIFF, PNG

Software That Opens .hgt Files

Windows

NASA can open .hgt files natively on Windows. Alternatively, use OpenAnyFile for instant browser access.

macOS

macOS may not natively support .hgt files. Use the original application or OpenAnyFile.

Linux

Open-source alternatives or OpenAnyFile provide .hgt support on Linux.

Mobile (iPhone & Android)

OpenAnyFile works on all mobile browsers — no app download required.

Common Problems Opening .hgt Files

• Your OS doesn't recognize the .hgt extension
• The file appears corrupted after downloading
• You don't have NASA installed
• Void data handling

OpenAnyFile bypasses all these issues with universal format detection that works in any browser.

Convert HGT to Other Formats

• HGT to TIFF
• HGT to PNG

Frequently Asked Questions