Overview of useful tools, applications, etc.
- View non-printable unicode characters
- https://www.soscisurvey.de/tools/view-chars.php View non-printable unicode characters
- https://pages.cs.wisc.edu/~markm/ascii.html Check for non-ASCII characters
- Mozilla Firefox: Restore lost sessions
- https://www.jeffersonscher.com/ffu/scrounger.html Session History Scrounger for Firefox
- Verify IBANs (International Bank Account Number)
- https://www.iban-rechner.de/ IBAN-Rechner
- Calculate interest rates
- https://www.zinsen-berechnen.de/tagesgeldrechner.php Zinsen berechnen: Tagesgeldrechner für tageweise Geldanlage
- Calendar online
- https://calendar.online/ Interactive calendar
- https://kalender-online.com/ Static calendar
- Time and date difference calculator
- https://www.timeanddate.com/date/duration.html Date Duration Calculator: Days Between Dates
- Arbeitstage-Rechner
- https://www.arbeitstage.org/arbeitstage-rechner/ Work day calculator
- Convert text case