FileOptimizer is a lossless file size optimizer supporting many formats. It keeps the behavior of the file untouched, but with its size reduced thanks to several recompression and optimization techniques.

Among others, FileOptimizer supports these file formats:
BMP, DIB, DLL, BPL, DRV, LZL, SYS, CHM, CHS, CHW, DOC, DOT, FPX, MDB, MDT, MIX, MPD, MPP, MPT, MSI, MSP, MST, ONE, OST, PPS, PPT, PUB, PUZ STICKYNOTES, SNT THUMBS, DB, VSD, VST, VSS, XL, XLC, XLM, XLS, XLW, XSF, XSN, EXE, SCR, GIF, GZ, TGZ, SVGZ, JNG, JPG, JPEG, MNG, MP3, OBJ, O, LIB, A, OGG, OGV,DCX, PCC, PCX, EPDF, PDF, APNG, ICO, PNG, SWF, FAX, TIF, TIFF, PTIF, PTIFF, WEBP, AIR, APK, APPX, CBZ, DOCM, DOCX, DOTX, DOTM, DWFX, EPUB, IPA, JAR, MPP, ODT, OXPS, PPAM, POTM, POTX, PPSM, PPSX, PPTM, PPTX, PUB, SLDM, SLDX, VDX, VTX, VSX, XAP, XLAM, XLSM, XLSX, XLTM, XLTX, XPS, ZIP, AAI, AVS, FITS, JP2, JPC, HDR, HRZ, MIF, MIFF, MTV, OTB, P7, PALM, PDB, PBM, PCD, PCDS, PFM, PGM, PICON, PIC, PICT, PNM, PPM, PSB, PSD, SUN, VICAR, VIFF, WBMP, XBM, XPM and XWD. Read more.