Online Texture Compression & Viewer - KTX2, DDS, ASTC, Basis, PVR

Free browser-based texture compression, conversion, and viewer for GPU formats

Open any texture

Drop a KTX2, DDS, ASTC, PVR, PKM, KTX, Basis, or CRN file to view it, or an image to compress it. Files stay on your device.

Drag and drop a file here

Choose file

Search Texture Formats

Find the perfect texture compression format for your needs

Try searching for: KTX, DDS, ASTC, PKM, PVR, compression, encoding, decoding

Popular tools

Open, convert, and encode GPU texture files right in your browser. Your files stay on your device.

View & open files

Preview textures and check RGBA channels and format details.

Texture DoctorKTX2 ViewerDDS ViewerKTX ViewerPVR ViewerHDR / EXR Viewer

Convert to PNG

Decode compressed textures and save them as regular PNG images.

ASTC to PNGKTX2 to PNGKTX to PNGPKM to PNGHDR to PNGEXR to PNG

Encode & transcode

Compress images into GPU texture formats or convert between texture containers.

Platform presetsglTF/GLB texture optimizerPNG to ASTCPNG to KTX2JPG to KTX2HDR to KTX2DDS BC7 encoderPNG to DDSDDS to KTX2KTX2 to DDS

Specs & guides

Reference pages on file layouts, header fields, and choosing a compression format.

ASTC file formatKTX 2.0 header structureKTX 2.0 supercompressionScheme valuesTexture compression formatsHDR vs EXRBC6H vs RGBA16F

Key Features

Browser-Based Processing

All operations run in your browser, no server upload required

Multiple Formats

Support for 8 container formats and 4 compression algorithm families

Real-time Preview

WebGL-based texture preview with zoom, pan and channel viewing

High Performance

WebAssembly-powered compression algorithms for near-native performance

Supported Container Formats

Select a format to encode or decode texture files