JXL to ICO
Turn a JPEG XL (.jxl) image into a Windows ICO icon file. Free and private, in your browser.
Upload a JPEG XL image
JXL files only (max 20MB each) — converted privately in your browser
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Original JXL
Converted ICO
Make ICO Icons and Favicons From JXL Images
Got your logo or artwork as a .jxl and need an .ico for a Windows app, installer or website favicon? This free converter builds a proper ICO file — a lossless PNG image wrapped in the standard ICO container — locally in your browser.
Real ICO Container
The output is a genuine Windows icon file (PNG-compressed entry, up to 256×256) that works for applications, shortcuts and favicons.
Auto-Sized to Icon Rules
Oversized images are scaled down to the 256×256 maximum icon size while keeping their proportions, so the icon is valid everywhere.
Square Images Make the Best Icons
Icons are square. If your JXL artwork is rectangular it is scaled to fit inside the square without distortion — crop it square first for a full-bleed icon.
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