How do I open DDS files online?
Upload a `.dds` file to preview it directly in the browser without a local viewer. The page supports zooming, channel inspection, and image export.
DDS Viewer Online - Open DDS & Convert to PNG
Open .dds files in your browser, preview BC1-BC7 textures, inspect RGBA channels, and export PNG, WebP, JPG, AVIF, TIFF, BMP, TGA, PPM, or PGM.
Related Resources
Upload DDS File
Features
Browser-based
No server upload required. DDS decoding, preview, and export all happen in your browser.
Full BCn Decompression
Supports common DDS block compression formats including BC1, BC3, BC4, BC5, BC6H, and BC7.
Instant Preview
View decoded textures immediately with real-time rendering
Channel Viewer
View individual RGBA channels or combined RGB channels
Export to PNG
Download decoded textures as PNG, WebP, JPG, AVIF, TIFF, BMP, TGA, PPM, or PGM previews.
Free to Use
No registration or payment required
How to Use
1
Upload DDS File
Drag and drop a DDS file or click to browse. The decoder will automatically detect the format.
2
View Information
Check file details including dimensions, format, and compression type in the info panel.
3
Preview Texture
View the decoded texture with options to show individual channels and zoom control.
4
Export Image
Download the decoded texture as a PNG image for use in other applications.
Frequently Asked Questions
The DDS viewer supports common block-compressed DDS files, including BC1, BC3, BC4, BC5, BC6H, and BC7 textures.
Yes, you can view RGBA channels individually or as RGB combination to examine specific components.
The decoder can extract the base mipmap level. Full mipmap chain support is coming soon.
The preview can export PNG, JPG, WebP, AVIF, TIFF, BMP, TGA, PPM, and PGM images after the DDS file is decoded.
Yes, the preview shows the exact decoded texture data using hardware acceleration for accurate colors.
Yes, use the zoom controls to zoom in/out and reset to 100% for detailed inspection.
Cubemap support is planned for future updates. Currently 2D textures are supported.
No, all processing happens locally in your browser. Your files never leave your device.
Popular search questions
Does this DDS viewer support BC7 textures?
Yes. It supports common BC1 through BC7 decode and preview workflows, which is useful for checking readability, orientation, and preview exports.
Can I convert DDS to PNG or WebP after opening it?
Yes. The decode preview exports PNG, JPG, WebP, AVIF, TIFF, BMP, TGA, PPM, and PGM. If you need to re-encode DDS, continue to DDS encode or DDS to KTX2.