Utilities are small single-purpose programs that use very few files and can be run from removable media
aawin.exeAutodesk FLI/FLC animation viewer. Uses aavga.dll, aaplay.dll, mciaap.drv
abyssws.exeFree personal web server. Despite its tiny footprint (for example, the executable file size of the Windows version is less than 112 KB); it supports HTTP/1.1, dynamic content generation through CGI/1.1 scripts, Server Side Includes (SSI), custom error pages, and user access control (HTTP authentication/password protected files). Uses abyss.conf, okay to delete persist.data.
agrep.exeApproximate Pattern Matching GREP -- Get Regular Expression
aida32.exeSystem information, diagnostics and benchmarking program running on Win32 platforms. It extracts details of all components of the PC. Uses aida32.bin, aida32.dat, aida32.mem, aida32.sa6, aida32.si6, aida32.sys, aida32.vxd, aida32.web, aidaplugin_diskbench.dll, aidaplugin_monitordiag.dll, aidaplugin_netbench.dll, aida_directx.dll, aida_icons.dll, aida_xpicons.dll
ANALYSER.EXEspectrum analyzer
ansi2knr.execonvert ANSI C to Kernighan & Ritchie C
asterie.exereveals the passwords stored behind the asterisks in the web pages of Internet Explorer 5.0 and above
asterwin.exereveals the passwords stored behind the asterisks in standard password text-boxes
atomicparsley.exeAtomicParsley is a command line program for reading & writing iTune-style metadata in mpeg4 files (m4a, m4b, m4p, m4v & mp4) whether iTMS drm protected or not.
autoruns.exehas the most comprehensive knowledge of auto-starting locations of any startup monitor, shows you what programs are configured to run during system bootup or login
basic.exeChipmunk basic for DOS
basicw.exeChipmunk basic for Windows
bat2exec.comThe original PC Magazine batch file compiler. Also at http://www.simtel.net/product.download.mirrors.php?id=40551
burncdcc.exeBurns ISO image to CD. Nothing else.
bbie.exeExtract all boot images from a bootable CD-Rom or ISO image file
bc.exeThe GNU numeric processing language and reverse polish calculator
BeSweet.exeAudio transcoding tool. it lets you convert audio files from one format to another. Supported formats : MP3,AC3,WAV,MP2,AVI,Aiff,VOB,Ogg Vorbis. Uses azid.dll, mp2enc.dll, lame_enc.dll, Shibatch.dll, hip.dll. See also http://besweet.notrace.dk/stable.htm
BeSweetGUI.exeGUI front-end for BeSweet. See also http://besweet.notrace.dk/stable.htm
BinText.exeextract text from any kind of file and includes the ability to find plain ASCII text, Unicode (double byte ANSI) text and Resource strings
bison.exeA parser generator that is compatible with YACC
BITMAN.EXEbitmap manager reads bitmaps in programs
blat.exe Blat is a Win32 command line utility that sends eMail using the SMTP or NNTP protocols.
BossKey.exe BossKey is a simple virtual desktop program. Create hot-keys to switch between the desktops.
BRUN45.EXERuntime for Microsoft QBASIC compiler
bunzip2.exea block-sorting file compressor extracts .bz2 files
bzip2.exea block-sorting file compressor creates .bz2 files
bzip2recover.exeextracts blocks from damaged .bz2 files
c2e.com.com to .exe program converter
CABARC.EXEMicrosoft CAB file creation tool
cat.exeConcatenate FILE(s), or standard input, to standard output
cdda2wav.execdda2wav copies parts from audio cd's directly to wav or au files
cdrdao.exewrites CD in disk at once mode from an iso file
cdrecord.exewrite CDR in any mode from an iso file. Also see http://freshmeat.net/projects/cdrecord/
cdrider.exeRips audio CDs. CD Rider can directly read the audio from your music CD-roms and store it on your hard drive in WAV, MP3 or Ogg Vorbis format. Only saves to WAV format unless there is a Plugins folder with needed DLL files. Uses cdrshlext.dll, creates cdrider.m3u.
cdrtfe.exeGUI front-end for CDR Tools (cdrecord, readcd, etc.). Uses cdrtfeShlEx.dll, cdrtfe_lang.ini, cygpopt-0.dll
chgrp.exeChange the group membership of each FILE to GROUP
chown.exeChange the owner and/or group of each FILE to OWNER and/or GROUP
cksum.exePrint CRC checksum and byte counts of each FILE
COA32.EXEReplaces text in registry and INI files
Comm.exeThis is a pop-up (hot-key) application.  While you're running other applications, you can press Alt/Right-Shift to instantly turn your computer into a communications terminal.
compress.exeMicrosoft (R) File Compression Utility
CONFIG.EXESmall DOS software to evaluate the hardware of a x86 machine. Must be run from a DOS boot disk. Uses config.mca, config.ini, config.reg.
ControlExtract.exeExtracts data in any Windows control into plain text. Requires rpiAccessProcess.dll
convert.exeConverts graphic formats. Special static version uses no DLLs.
cp.exefile archiving utility
csplit.exeOutput pieces of FILE separated by PATTERN(s) to files xx01, xx02, etc.
csv2pdb.exePilot-DB is a freeware (OpenSource) database program for the Palm OS
cut.exePrint selected parts of lines from each FILE to standard output
cygwin1.dllNeeded for most unix family programs to run. Provides standard POSIX interface.
dd.exeCopy a file, converting and formatting according to the options
DiskPie.exePC Magazine utility. DiskPie's pie charts offer a visual display of the folders and file types that are taking up the most space
DM32.EXECommercial software for smaller hard drives. DiskMapper is the essential new utility that visually shows you exactly what's on your hard disk, so you can get the most out of the space you have.
dnsquery.exeDNS query tool. Part of the Posadis DNS server. Uses poslib.dll, mingwm10.dll, pthreadGC1.dll, libgdk-0.dll, libgtk-0.dll, libintl-1.dll, may also ned iconv.dll, libglib-2.0-0.dll, libgmodule-2.0-0.dll
DocReader.exeWindows application to read Palm Doc-formatted files and unencrypted Peanut Press files on the PC.
DTemp.exeShows hard drive temperature. Uses DTemp.att.
du.exeSummarize disk usage of each FILE, recursively for directories
e2c.com.exe to .com program converter
ED.EXECommercial software. DOS Editor similar to EDIT.COM, but distributed by Stacker
EditDisk.exeDiskExplorer is a tool which can import/export a file to/from a disk image. It manages the disk images used in PC emulators such as Bochs. Uses types.ini and editdisk.ini.
egrep.exeSearch for PATTERN in each FILE or standard input
emulprn.exeCapture serial printer output to graphic.
Ephemeris.exeFor computing information about sunrise, sunset, moonrise and moonset for a given date. Uses Ephemeris.hlp, "Ephemeris Settings.txt"
expand.exeConvert tabs in each FILE to spaces, writing to standard output
expr.exeExpression evaluator writes results to stdout
EXTRACT.EXEMicrosoft (R) Cabinet Extraction Tool
ExtractClosedCaptions.exeExtracts closed captions from "dvr-ms" files and saves them as "srt" files. An older version (without the time offset option) is at "http://www.dragonglobal.org/forums/attachment.php?s=cfbfdaa49a8d8af0abf477698eacf7bc&attachmentid=143&d=1185003733". This is (these are) a modified version of Stephen Toub's "http://blogs.msdn.com/toub/archive/2005/09/17/470491.aspx" ClosedCaptions.zip code. Uses "Toub.MediaCenter.Dvrms.dll".
factor.exePrint factors of each NUMBER, read standard input with no arguments
FEWizard.exeCreate self-extracting archives for Windows from existing ZIP files
ffmpeg.exeFFmpeg is a complete solution to record, convert and stream audio and video. It is a command line tool to convert one video file format to another. It also supports grabbing and encoding in real time from a TV card. See also http://www.videohelp.com/tools/ffmpeg and http://ffmpeg.mplayerhq.hu/. Needs pthreadGC2.dll.
ffmpeg2theora.exeConverts almost any video format into OGG Theora
ffplay.exeSimple media player. Needs pthreadGC2.dll.
fgrep.exeSearch for PATTERN in each FILE or standard input
FileCap.exeCapture serial port data to file.
FileRecovery.exeRecovers files and hard drives. Uses help.chm, INT13EXT.VXD
findg.exeFinds text in files. Original name was "find.exe", renamed.
flex.exeA fast lexical analyzer generator
FLI2GIF.EXEConvert FLI/FLC files to animated GIF
fmt.exeReformat each paragraph in the FILE(s), writing to standard output
fold.exeWrap input lines
fsplit.exefile splitter
ftps.exeSecure drop-in replacement for Microsoft's built-in "ftp.exe" FTP client. Supports passive mode transfers and resumption of transfers. Uses UTSecureLayer.dll
gawk.exepattern scanning and processing language
gclip.exeget  the Windows clipboard text from stdin
gdiscan.exeScans computer for JPG buffer overrun versions of GDIPLUS.DLL
getmail.exePOP3 command-line email retriever
gif2avi.exeConvert animated GIF to AVI
gplay.exeminimalist console multimedia player using DirectShow. With gplay filename | URL you should be able to play just everything, as long as Microsoft supports it
grep.exeSearch for PATTERN in each FILE or standard input
gsar.exeGlobal search and replace
gtouch.exeOriginally TOUCH. Changes file timestamps.
guidgen.exeGenerate globally unique identifiers (GUIDs) with this tool.
gunzip.exeCompress or uncompress .gz files
gzip.exeCompress or uncompress .gz files
head.exePrint first few lines of a file to standard output
HV.EXEHex viewer, very similar to DEBUG
ICONJACK.EXEExtract and convert .ico and .dll files back and forth
iconwrks.exeicon editor. Needs cmdialog.vbx
IMAGEDIT.EXEMicrosoft image editor for BMP, ICO, and CUR files
imagerec.exerecovers graphics files from entire disk
inctrl5.exeMonitors before and after changes made by any program
innounp.exeInno Setup Unpacker
join.exeFor each pair of input lines with identical join fields, write a line to stdout
JPGCLN32.EXEJPG Cleaner is simple but powerful utility for cleaning JPG files from anything that is not picture data. Commonly used programs such as Adobe Photoshop are writing additional information into JPG file that isn't needed for correctly displaying the picture.
jwhois.exewhois client
keyfinder.exeRetrieves your Product Key (cd key) used to install windows.
lame.exeMP3 command-line encoder. Use "lame.exe -b 64 input.wav output.mp3" for 64Kb. Default is 128. Source code from http://lame.sourceforge.net/. Uses lame_enc.dll.
less.exefile viewer (opposite of more) and editor
ln.exedoes real hardlinks on NTFS
logname.exeWrites login name to stdout
ls.exeA lot like DIR, except it's LS!
Lview1b.EXECommercial software - Graphics viewer
LVP48632.EXECommercial software - Graphics viewer
madplay.exeUsed by CDRTFE to create audio CDs from MP3 source files.
mailpv.exedisplays the Account Name, Application, Email, Server, Server Type, User Name, and Password of email accounts for Outlook Express, Microsoft Outlook, IncrediMail, Eudora, Group Mail Free
MAKECAB.EXEMicrosoft CAB file creation tool
makedoc.exeCommand line tool to create Palm PDB DOC files from plain text
MakeDocW.exeWindows tool to create Palm PDB DOC files from plain text
md5sum.exePrint or check MD5 checksums
MediaInfo.exeMediaInfo supplies technical and tag information about a video or audio file. Uses MediaInfo.dll and optionally MediaInfoActiveX.dll if you want to use ActiveX.
MENUEDIT.EXEPC Magazine utility. Edit file context menus
METER.EXEAudio meter
MingSweeper.exenetwork reconnaisance tool
mkbt.exeCreate any boot-floppy/image from any win32 platform with any media size...
Mode2CDMaker.exeUsed by CDRTFE to create mode 2 CDs.
msconfig.exeWindows XP configuration utility. Get it from SP2 patch or an XP computer. Works okay on Win2K.
msi2xml.exeDisplays contents of MSI files
mspass.exeReveals the passwords of instant messenger applications for the logged-on user.
naplayer.exeNetscape 3 audio player. Needs MFCANS32.DLL, MFCUIA32.DLL
NARC.EXEARC file compression DOS utility
nbtscan.exeScans netbios and displays names on foreign computers. Same thing done by standard nbtscan command.
Netscapass.exeThis utility can reveal the stored mail and web site password in Netscape 4, 6, 7.
nistime-32bit.exeSets computer time
nl.exeWrite each FILE to standard output, with line numbers added
nmap.exeNmap ("Network Mapper") is a free open source utility for network exploration or security auditing.
ntrawrite.exeRead and write floppy images under NT or better.
ob1.exeSmall HTML 3.2 web browser. SSL support is provided through the OpenSSL DLL files SSLeay32.dll and libeay32.dll.  They are not required if you don't need SSL support. HPSW.CKI is the "cookie file" and can be deleted.
Pageant.exean SSH authentication agent for PuTTY, PSCP and Plink
pclip.exeput the Windows clipboard text to stdout
pdb2csv.exePilot-DB is a freeware (OpenSource) database program for the Palm OS
PDFReader.exePDFReader is a free Acrobat PDF reader for Windows. Uses preview2.dll
PEResourceExplorer.exeFree, powerful, fully featured resource editor and PE module explorer
php.exePHP4 scripting engine. Uses php.ini, php4ts.dll.
PKLITE.EXECommercial software. DOS exe compressor.
PKUNPAK.EXEAncient ".arc" file decompressor.
plink.exea command-line interface to the PuTTY back ends
PluginCreator.exeCreates plugins for very simple single executable utilities for BartPE (bootable cdrom)
PocketDivxEncoder.exeVideo encoder primarily resizes videos, can handle WMV files as input. Output is exclusively AVI.
pop3.exeActiveX pop3 email client
pr.exePaginate or columnate FILE(s) for printing.
PREC.EXECommercial - Part of old soundcard package. "Pocket Recorder" small PC audio recorder.
prn2pbm.exeConvert IBM Graphics printer files to PBM graphics
procexp.exeLike the Windows task manager, but better
pscp.exean SCP client, i.e. command-line secure file copy
PSFTP.EXEPuTTY Secure File Transfer (SFTP) client
pspv.exereveals the passwords stored on your computer by Internet Explorer, Outlook Express and MSN Explorer
PuTTY.EXEPuTTY is a free implementation of Telnet and SSH for Win32 and Unix platforms, along with an xterm terminal emulator.
PuTTYgen.exean RSA and DSA key generation utility
pvt.exeChange owner, make hardlinks, more.
QUICKFLI.EXEQuickFli - A simple player for 256 color VGA animations
QuickSend.exeQuickSend is a SMTP (Simple Mail Transfer Protocol) Mailer.
RAWRITE.EXEWrite disk file to raw floppy diskette. Also see http://www.fdos.org/ripcord/rawrite/
rawwritewin.exeWindows version of rawrite reads and writes floppy images. Under 95, 98 & ME you need diskio.dll.
RegAlyzer.exeRegistry editor allows bookmarks. Uses RegAlyzer.rdb, bookmarks.txt
Regmon.exeSee all Registry activity in real-time
Requires.comShows DLLs required by a 16-bit application.
ResHacker.exe Freeware utility to view, modify, rename, add, delete and extract resources in 32bit Windows executables and resource files
Restoration.exeRecovers files after you've emptied the recycle bin. Uses DLL16.DLL and DLL32.DLL.
rm.exeRemove (unlink) the FILE(s)
RV.EXEConverts self-extracting archives back to normal.
scgcheck.exeSCSI and CDR scanner (part of cdrtools)
SCOPE.EXEOscilloscope - works well - free
Screnc.exeScript Encoder is a simple command-line tool that enables script designers to encode their final script so that Web hosts and Web clients cannot view or modify their source.
scriptomatic.htaThe utility that writes WMI scripts for you -- and, in the process, teaches you the fundamental concepts behind writing WMI scripts for yourself.
Scrndmp.exeMS-DOS only! Captures serial printer output to graphic.
setfile.exeChange file owner and timestamp
sh.exeA simple zsh
Shed.exeShed is a very fast Windows shared resource scanner. Multiple potential hosts are scanned in parallel.
SHELEXEC.EXEStarts any file. Mostly used in CD autorun. Get it from many CDs, also http://www.naughter.com/shelexec.html and http://soils.usda.gov/technical/guides/emaps/templates.html
Sherlock.exeVerify what Video and Audio codecs you have installed on your PC and determine if they are broken or not.
SHORTCUT.EXECreates shortcuts, but only for Win9x
showin.exe ShoWin displays useful information about windows by dragging a cursor over them. Perhaps one of the most popular uses of this program is to display hidden password editbox fields
SIG-GEN.EXEAudio oscillator - works well - free
Sine.exeAudio oscillator with GUI using knobs - free
sleep.exeA simple time delay
Snpp.exesnpp client
sox.exeSoX, the swiss army knife of sound processing programs. SoX is a command line utility that can convert various formats of computer audio files in to other formats. It can also apply various effects to these sound files during the conversion.
split.exeOutput fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...
splitz.exeSplitz! allows you to split any image into rectangular parts and export the resulting images along with the HTML table that puts them back together.
stego.exestego -E encode.me -T words.txt  Encodes file encode.me as gibberish text using words from the words.txt file to stdout. If the -T option is omitted, stego looks for a file called "words" in the current directory. Of course, the -D option will decode the input file; remember to redistribute words.txt together with the encoded file. The purpose of this program is to disguise binary files as a kind of text file or to drive your coworkers mad.
strun.exedisplays the list of all applications that are loaded automatically when Windows boots.
SuperScan4.exeRewritten update of the highly popular Windows port scanning tool. Administrator privileges are required to run the program. It will not run on Windows 95/98/ME.
swf_player.exePlays SWF (Shockwave) animations. From the QuickBooks CDROM. CAUTION: Associates itself with SWF files.
sysexp.exeGrab the data stored in standard list-views, tree-views, list boxes, and combo boxes from almost any application running on your system, and export it to text, HTML or XML file.
tac.exeWrite each FILE to standard output, last line first.
tail.exePrint the last 10 lines of each FILE to standard output.
tar.exeGNU `tar' saves many files together into a single tape or disk archive, and can restore individual files from the archive. Only forward slashes are accepted. the -z option (compression) does not work. no remote archives. works only on NT, does real hardlinks on NTFS
Tcpview.exe TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system, including the local and remote addresses and state of TCP connections.
tee.exedisplays to screen and saves to file simultaneously
TERMINAL.EXETerminal program
test.exeTests any expression as true or false and sets exit status
TFTPD.EXETFTP daemon can run any block size and any port.
ThumbsExploder.exeExtracts thumbnail images from thumbs.db files. Uses ThumbDBLib.DLL
tidy.exeTidy is able to fix up a wide range of HTML problems. Use -h -help or -? options for help.
tiny.exeVery small web server
touch.exeChanges file modified timestamp
tr.exeTranslate, squeeze, and/or delete characters from standard input, writing to standard output.
ttg.exetest tone generator
twack_32.exeTwain test application
unexpand.exeConvert spaces in each FILE to tabs, writing to standard output.
UnFREEz.exeTake any number of images, saved as separate GIF files, and create a single animated GIF from those images.
uniq.exeDiscard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).
unrar.exeFile decompressor for .rar archives
unvbe.vbsDecodes VBE-encoded scripts
UnWise.exeExtracts data from WISE installer files. See also http://protools.anticrack.de/decompilers.htm
unzip.exeFile decompressor for .zip archives. Typical use "unzip C:\test.zip -d C:\foo" would extract all files in C:\test.zip into the C:\foo subdirectory, creating subdirectories as needed. Also from http://unxutils.sourceforge.net/
upx.exeExecutable compressor and decompressor
usbview.exeShows you what's connected via USB
vcdimager.exeUsed by CDRTFE to write VCD disks.
VideoPak.exeAVI/WMV video compression converter. Uses msacm32.dll
vncviewer.exeVNC viewer compatible with all VNC servers
wc.exePrint line, word, and byte counts for each FILE
WebBug.exeHTTP client shows raw results
WGET.EXEcommand-line HTTP downloader
WinAAM.exeQuiet a noisy hard drive. Configures the Automatic Acoustic management for Windows NT/2000/XP. German http://www.heise.de/ct/ftp/ctsi.shtml
win9xpv.exereveals the passwords stored on your computer by Windows 95/98
winscp.exeSFTP (SSH File Transfer Protocol) and SCP (Secure CoPy) client for Windows using SSH (Secure SHell)
WINSCOPE.EXEThe most common freeware oscilloscope on the web - free
WinSQL.exeConnects to any ODBC database. SQL wizards help you write queries. Uses WinSqlHelp.chm. My personal registration info for the free version is stored in Winsql.reg.
WotWeb.exeWotWeb is a cut-down port scanner specifically made to scan for and display active web servers.
WRITE.EXEWord processor
WZUNZIP.EXEWinZip command line add-on unzip utility
WZZIP.EXEWinZip command line add-on zip utility
xcacls.vbsXcacls.vbs is an augmented version of the Extended Change Access Control List tool (Xcacls.exe) that ships in the Windows 2000 and Windows Server 2003 Support Tools. Xcacls.vbs is an unsupported utility that addresses specific limitations with the original Xcacls.exe utility, specifically the inability to append permissions to a folder whose child objects have the inheritance flag set.
XENU.EXEFind broken links on a web site
xml2msi.exeIf you used msi2xml to make an xml file, then edited it, this will make a new msi file for you
XPlite.exeMostly an easy way to turn off Windows File Protection under Windows 2000. Supposedly used to uninstall Windows components.
zcat.exeCompression and decompression utility for .z archives
zip.exeFile compressor for .zip archives. Typical use "zip -Dru C:\test.zip C:\Temp\*.*" to put entire C:\Temp subdirectory with paths into C:\test.zip. Also from http://unxutils.sourceforge.net/