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.ico Windows icon / favicon

ICO Converter

ICO holds several icon sizes in one file. It's used for website favicons and Windows app icons.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android
    Applies to JPG and WEBP

    ICO at a glance

    Full nameWindows icon / favicon
    Extension.ico
    Opens on iPhone✕ No
    Opens on Android✕ No
    Opens on Windows✓ Yes
    Opens on Mac◐ Partly / with an app

    ICO is best for favicons and Windows icons.

    Convert ICO to…

    ICO to JPGICO to PNGICO to WEBPICO to BMPICO to TIFFICO to PDF

    Convert to ICO from…

    JPG to ICOPNG to ICOWEBP to ICOHEIC to ICOAVIF to ICOGIF to ICOBMP to ICOTIFF to ICOSVG to ICO

    Frequently asked questions

    What is a .ico file?
    ICO holds several icon sizes in one file. It's used for website favicons and Windows app icons.
    Is converting ICO files here private?
    Yes. Files are processed in your browser and never uploaded.