KTX2 to DDS Converter Online
Convert KTX2 textures to DDS in your browser with BC1, BC3, and BC7 output modes.
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Upload a KTX2 file
Drag and drop a KTX2 file here
or
- Accepts .ktx2 and .ktx source files.
- Decodes base 2D image pixels and re-encodes to target DDS format (not a lossless container repackaging). Does not preserve mipmaps or container metadata.
Features
Real KTX2 to DDS conversion
Convert the top-level 2D KTX2 image directly to DDS without exporting PNG first.
BC7 by default
Keep BC1, BC3, and BC7 as target modes while defaulting to BC7 for higher quality DDS output.
Browser-side processing
Source decode, preview, and target encode all run locally in the browser.
Preview export stays separate
PNG remains the preview export format while DDS is downloaded as the actual target file.
Automatic block boundary padding
When texture dimensions are not divisible by 4, the BCn encoder automatically pads edges to 4×4 block boundaries during compression.
Built for DirectX workflows
Move KTX2 assets into DDS/BCn pipelines for desktop and game-engine validation.
How to Use
Select KTX2 file
Upload a KTX2 file
Choose DDS output
BC7 is the default. Non-multiple-of-4 dimensions are automatically padded to 4×4 block boundaries during compression.
Preview and download
Preview the source texture, run the KTX2 to DDS conversion, and download the output file.
Open DDS viewer
If needed, open the generated file in the DDS viewer for verification.
FAQ
Upload a `.ktx2` or `.ktx` file, preview the decoded source texture in the browser, and download the re-encoded DDS output. The conversion decodes texture pixels to RGBA and re-encodes them into the target DDS format.
The current target modes are BC1, BC3, and BC7, with BC7 as the default.
DDS BC1, BC3, and BC7 operate on 4×4 blocks. If the decoded texture dimensions are not multiples of 4, the encoder automatically pads the edges to 4×4 block boundaries during compression.
No. V1 converts only the top-level 2D RGBA image and does not preserve mipmaps, array layers, cubemaps, or container metadata.