Utilities

Links to various utilities we've made. See Setting up a BIN directory for Windows executables for instructions on creating a special folder for all miscellaneous EXE files.

Base64 utility for Windows

The freeware Windows program base64.exe is a conversion of the Linux base64 utility to encode/decode data and print to standard output.

DumpASN1 for Windows

The program dumpasn1.exe is a version of Peter Gutmann's DumpASN1 program compiled for Windows. We didn't write this, we just compiled the source code so Windows users can use it.

Generate a digest value in base64

A freeware utility digestvalue.exe to compute the digest value in base64 encoding for a file or list of files. This value is suitable for including in the <DigestValue> node of an XML-DSIG document.

Freeware utilities to generate and check SHA-1, SHA-256, MD5 and CRC-32 checksums

A set of four freeware command-line utilities that generate or verify SHA-1, SHA-256, MD5 and CRC-32 checksums for a file or list of files.

Hexdump for Windows

The freeware Windows program hexdump.exe is a simplified version of the Linux utility to display file contents in hexadecimal.

shtmldiff

A Python implementation of a side-by-side html diff program designed to run in Windows.

wdiff for Windows

A port of the original GNU wdiff utility to Windows.

Wclock

A free, customisable, always-on-top world time clock for Windows computers.

MySecret

A command-line freeware utility that can be used to encrypt and decrypt messages in an email-friendly manner. It works by encrypting or decrypting the contents of the clipboard. It can also work in file mode.

bdcalc

A command-line calculator and mini-programming language that works with very large unsigned integers.
New version 2.2 released 17 June 2016.

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This page last updated 1 July 2021