Read and write GIF, JPEG, and ASCII. Read BMP, DICOM, and FITS. [Open Source, Public Domain]

An image processing toolkit supporting tiling, deferred execution, and network imaging. [Sun Binary Code License]

Sun's library that reads GIF, JPEG, TIFF, PNG, PICT, Photoshop, BMP, Targa, ICO, CUR, Sunraster, XBM, XPM, and PCX. [Sun Binary Code License]

Image editor written in Java that supports TIFF, GIF, JPG, BMP and PNG. [Commercial, with demo version]

Class library, components, and applets offering display, printing and saving of TIFF, GIF, PNG, BMP, JPEG, MO:DCA IOCA and PTOCA, CMYK, CALS, DICOM, and JEDMICS. [Commercial, /w evaluation version]

Outputs a GIF file from an Image or ImageProducer. NOTE: This may have patent issues. [Open Source]

A fast Java based PNG encoder. The footprint is just over 5K and the internal object creation during runtime is kept to a minimum to avoid calls to the garbage collector. It is compatible with JDK 1.1 and later.

Write JPEG files. [Open Source, no modification]

Takes a Java Image as its input and produces a byte array in PNG format. [Open Source, LGPL]

Read and write TIFF (Tagged Image File Format) files with application and applet examples. [Open Source, LGPL]