FIV is based on highly optimized, native imaging code. It excels at viewing large TIFF/FAX images and includes a proprietary scale-to-gray (antialiased) display engine that is several orders of magnitude faster than any competing products. It includes a built-in file browser which displays large thumbnail images with detailed information about each image. FIV also supports animated GIF images in both the main viewer and file browser. Use it to view email attachments or browse your files with the built-in file explorer. Currently, FIV supports the following image types: TIFF (single+multipage, All compression types) FAX (WinFAX, BitFAX, QuickLinks, Microsoft AWD + other undocumented formats) PDF (supports scanned images such as FAXes, not vector/text) BMP (Win, OS/2, RLE) Targa (uncompressed + RLE compressed) PNG (all) JPEG (baseline, progressive) GIF - animates in viewer and file browser FLI/FLC - animates in viewer and file browser PCX, DCX IBM IOCA/MODCA, PSEG CALS The free version is ad-supported and a paid (ad-free) version is available Find on the Android market as "Fast Image Viewer"