Tools

A selection of handy tools.

ASCII table	ASCII & extended ASCII.
Calendar	Mini calendar, drag the browser tab out to a separate window for a floating zoomable calendar.    You can also bookmark/link to a specific Year or Month like /cal.html#2038-2    This may need a page refresh if the calendar is cached.
Colour Mixer	Average any two HTML hex colours. Also Colour Names with interactive Foreground/Background colors.
Convert bits and Bytes	Convert Bytes/ KiB/ MB and Decimal/ Binary/ Hex.
Countries and Locales	A full, sortable list of all countries with languages, locales, population and ISO code.
FFMPEG	A short guide to the FFMPEG command-line tool: record, convert and stream audio and video. Also a GUI Video converter for FFMPEG that simplifies resizing and compressing video to save disk space.
Firefox tips	Tips and config settings to customise Firefox.
Greek alphabet	The greek alphabet, plus unicode currency symbols and accented letters.
icons.zip	A small zip file with simple colorful 256 pixel Start-Menu .ico icons (Free/Public Domain).
Latitude	Convert Latitude and Longitude to/from Degrees-Minutes-Seconds.
Microsoft Office	Word, Excel and Access Examples and templates.
Password Generator	Generate repeatable passwords and a summary of password security considerations.
Phonetic alphabet	Spell out every character in a word/sentence with phonetic/Navy and morse code words.
Prime number test	Test if a number is prime.
QR Code generator	QR code generator for an email address or URL.
QR Code WiFi	QR code generator for a WiFi logon name & password.
Roman Numbers	Convert Roman numbers to/from Integers.
Time Zones	A full, sortable list of time zones.
yt-dlp	A quick guide to the command-line video download tool.

More online tools:

Alphabetize	Sort any list of text.
Email headers	Microsoft email message header analyser.
CanYouSeeMe	A free utility for remotely verifying if a port is open or closed. Check Port forwarding and Port blocks.
CVE Details	Database of Common Vulnerabilities and Exposures.
DelphiTools	Tools for Colour, Typography & Text
EzGif	GIF to MP4 converter.
SnapTik	TikTok download tool.
Monospace fonts	Fonts for coding and terminal use.
Google Admin Toolbox	For Google Workspace services: Debugging, DNS validation, Log Analyzer.
Google Translate	Translate text, images or documents.
.ics calendar file	Create iCalendar (.ics) event file for Google Calendar, Outlook, iPhone etc.
IT-tools.tech	A collection of Conversion, Development and Network tools.
JustDeleteMe / SimpleOptOut	Find the delete account option.
CIDR-dedupe	Classless Inter-Domain Routing (CIDR) Merge & Deduplicate, IPv4/IPv6.
PDF Editor	Online PDF editor.
Small PDF	Sign/Edit/merge PDFs.
Songfinder	Identify a music track.
Raindrop	Bookmarking app
Regexr	Edit a Regular Expression and see matches.
Squoosh	Compress image files.
SSL Labs	SSL Server Test, check safety of TLS/HSTS.
Text Mechanic	Text Manipulation Tools, line endings, spaces, duplicates.
ToHTML	Code syntax.
VirusTotal	Analyse suspicious files, domains, IPs and URLs.
Web Colors	Web browser color management test.
Web Scan	Mozilla HTTP Observatory scans a site’s HTTP headers and other key security configurations.
Website Report	Netcraft site report, Host network, SSL, DMARC etc.