WebImgConv
Convert modern, retro, and GIS images locally in your browser.
Conversions produce one flattened, 8-bit image. Supported game sprites can export a selected frame or a sprite sheet. Animation timing, layers, original metadata, and scientific sample precision are not preserved.
Third-party software
ImageMagick WebAssembly, @imagemagick/magick-wasm 0.0.45. Wrapper copyright Dirk Lemstra.
Wrapper license · ImageMagick and bundled library notices
Intergraph JPEG header tables/layout adapted from GDAL (MIT). Copyright and license notice
JPEG-LS uses official CharLS WASM 0.10.0 (BSD-3-Clause), with a small original browser host. WASM package license · CharLS codec license
HDF5 uses NIST h5wasm 0.10.3 and the HDF5 library. Complete NIST/HDF5 notice
JPEG XR uses a source-built jxrlib 1.4.4 WASM module. Codec BSD license · Runtime notices
Standalone ASTC textures use Arm astcenc 5.7.0. Apache 2.0 license · Codec notices
BC6H/BC7 decoding uses a patched bcdec subset. Codec license · Runtime notices. ETC2/EAC decoding uses a patched detex subset. ISC license · Runtime notices
ECW reading and experimental v2 writing use extracted ecw2tiff decoder and PR #4 encoder modules. MIT license · Codec notices · Rust standard-library notices
Experimental codecs: FLIF, FUIF, PIK, Brunsli, Jpegli, and libheif uncompressed-image support. Runtime licenses and dependency notices are included here; exact source revisions and reproducibility metadata remain in the source tree.