Simple-to-use personal finance calculators. Calculate compound interest on your savings or monthly payments to pay off a loan with interest.

Compound interest calculator

Use this compound interest calculator to calculate interest on your money saved to the bank.

    Loan Interest Calculator

    Use this easy-to-use loan interest calculator tool determine the monthly repayment costs for a loan.


      September 27, 2017

      Exit Coinhive (in-browser bitcoin mining)

      Thank you for your feedback on our (brief) test with browser based bitcoin mining. This seemed like a nice way to support this website, but turned out to be far too much of a burden to our visitors. So we've decided to remove it. Our apologies for the inconvenience it has caused.

      August 18, 2017

      Migrated to HTTPS

      Happy to inform that Manytools is now fully Chrome-62-ready, thanks Google! A secure connection had been due for a very long time. Today we finally got around to upgrading the site to run on HTTPS. –
      (Starting October 2017, Chrome (version 62) will show a “NOT SECURE” warning when users enter text in a form on an HTTP page, and for all HTTP pages in Incognito mode.)

      August 10, 2016

      article personal

      Who is this person?

      Quickly lookup any person by e-mail address or name. Run an instant background check or find contact details & personal records (including public legal records).

      November 23, 2013


      New: Ⓑⓤⓑⓑⓛⓔ text tool

      Stand out; use special characters in your tweets or e-mails.

      November 23, 2013


      New: Sᴍᴀʟʟᴄᴀᴘs text tool

      Look like a Bᴀɴᴋ with Sᴍᴀʟʟᴄᴀᴘs in your status-updates or e-mails.