JFIFConverter

All JFIF Converters

Every conversion this site supports, all free and all running inside your browser. JFIF converts out to JPG, PNG, PDF, WebP, ICO and BMP; JPG and PNG convert back in to JFIF.

Convert a JFIF file into something else

  • JFIF to JPG Converter

    To convert JFIF to JPG, drop the .jfif file into the converter above and download the .jpg. JFIF and JPG hold identical JPEG-compressed data, so this…

    Lossless

  • JFIF to PNG Converter

    To convert JFIF to PNG, add your .jfif file above and download the .png. The JPEG data is decoded to raw pixels and re-encoded losslessly, so the PNG…

    Re-encoded

  • JFIF to PDF Converter

    To convert JFIF to PDF, add one or more .jfif files above, pick a page size, and download the PDF. Because PDF understands JPEG natively, the origina…

    Lossless

  • JFIF to JPEG Converter

    To convert JFIF to JPEG, add the file above and download the .jpeg. JFIF is a JPEG container, so the conversion writes the same compressed data under…

    Lossless

  • JFIF to WebP Converter

    To convert JFIF to WebP, add your file above, set the quality slider, and download the .webp. WebP typically produces files 25–35% smaller than the s…

    Re-encoded

  • JFIF to BMP Converter

    To convert JFIF to BMP, add the file above and download the .bmp. The output is an uncompressed 24-bit Windows bitmap, which is what legacy Windows a…

    Re-encoded

  • JFIF to ICO Converter

    To convert JFIF to ICO, add your image above, choose which icon sizes to include, and download the .ico. The file is a multi-resolution container, so…

    Re-encoded

Convert something else into a JFIF file

Rarely needed, but some legacy systems validate the JFIF APP0 header and reject anything else.

  • JPG to JFIF Converter

    To convert JPG to JFIF, add the .jpg above and download the .jfif. The compressed image data is unchanged; the converter ensures a valid JFIF APP0 he…

  • PNG to JFIF Converter

    To convert PNG to JFIF, add the .png above, choose a quality level, and download the .jfif. Because JFIF uses lossy JPEG compression, this conversion…

Inspect without converting

  • JFIF Viewer

    Open a .jfif file, see it rendered, and read its true dimensions, byte size and internal header type — JFIF, Exif or plain JPEG.

Format missing?

If you need a conversion that is not listed — TIFF, AVIF, HEIC, SVG tracing or anything else — tell us. Requests that come up more than once get built.