How do I open a KTX file online?
Upload a `.ktx` file and the page decodes it for instant preview, channel inspection, zooming, and export to common image formats.
Online KTX Viewer & Decoder - Open, View and Convert KTX to PNG
Use our free online KTX viewer to easily open .ktx files in your browser. Inspect and decode ETC/ASTC/BCN textures and convert KTX to PNG formats securely.
Related Resources
Upload KTX File
Features
Multiple Format Support
Decode KTX files with ETC, ASTC, BCN, and PVRTC compression
Channel Viewing
View individual color channels (R, G, B, A) and combined modes
Zoom Controls
Zoom in/out functionality for detailed texture inspection
PNG Export
Export decoded textures as PNG files for further use
File Information
Display detailed file and texture format information
Real-time Preview
Instant preview of decoded textures with channel filtering
How to Use
1
Upload KTX File
Drag and drop or browse to select a KTX file from your computer
2
View Information
Check file details including dimensions, format, and compression type
3
Preview Texture
Use zoom controls and channel filters to inspect the texture
4
Export PNG
Export the decoded texture as a PNG file for external use
Frequently Asked Questions
The decoder supports KTX files with ETC1, ETC2, ASTC, BCN, and PVRTC compressed textures.
Yes, you can view RGBA, RGB, and individual R, G, B, A channels separately.
No, all decoding happens in your browser using WebAssembly. Your files remain private.
KTX stores compressed textures, which may have quality loss compared to the original image.
Currently, PNG export is supported. Additional formats may be added in future updates.
File size is limited by your browser's memory. Most textures under 50MB should work fine.
Currently, only the base mipmap level is displayed. Support for all mipmap levels is planned.
Any modern browser with WebAssembly support, including Chrome, Firefox, Safari, and Edge.
Popular search questions
Can this KTX viewer convert KTX to PNG?
Yes. The decode preview exports PNG and also supports JPG, WebP, AVIF, TIFF, BMP, TGA, PPM, and PGM.
What is the difference between a KTX viewer and a KTX2 viewer?
KTX is more common in older or traditional workflows, while KTX2 covers ETC1S, UASTC, and newer container features. The site provides separate KTX decode and KTX2 decode pages for each search intent.