Pro Calculators and Guides
How to Convert SutonnyMJ and Bijoy Text to Unicode Bangla (Nikosh, Kalpurush)
Paste text typed in SutonnyMJ or another Bijoy-style font and get standard Unicode Bangla that works in every modern app.
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Pro Calculators and Guides
Specialist calculators are only useful when you understand the rules behind the numbers. These guides explain what each professional calculator does, which inputs matter, how to read the result and where the official rules come from, covering payroll and tax, immigration and visas, housing, business compliance, engineering and science. Every guide links to a free tool that runs in your browser and keeps your figures private.
318 guides
Pro Calculators and Guides
How to Convert Text to Binary, Hex, Octal and Decimal (and Back)
Turn words into binary, hexadecimal, octal or decimal codes and decode them again. Works with UTF-8, so symbols and Bangla letters are supported.
Pro Calculators and Guides
How to Copy Emoji, Symbols, Arrows, Stars and Currency Signs
Click to copy emoji and special characters such as arrows, hearts, maths signs and currency symbols, and paste them anywhere.
Pro Calculators and Guides
How to Count Character Frequency in Text (Letters, Symbols and Spaces)
See how many times each letter or character appears in a text, ranked from most to least common. Useful for ciphers, puzzles and language study.
Pro Calculators and Guides
How to Count the Days Until an Exam, Trip, Wedding or Any Date
See the number of days, weeks and hours left until a future date, or how many days ago a past date was.
Pro Calculators and Guides
How to Create a Blank PDF (A4, Letter, A5 or Legal) in Seconds
Make an empty PDF with the page size, orientation and number of pages you choose. Useful as a base for forms, notes and signatures.
Pro Calculators and Guides
How to Create a mailto Link With a Subject and Message Already Filled In
Build a mailto: link that opens the visitor's email app with the address, subject and message ready, for buttons, signatures and websites.
Pro Calculators and Guides
How to Create a WhatsApp Link (wa.me) That Opens a Chat With a Ready Message
Build a wa.me link with your number and a prefilled message for your website, bio, QR code or ads. No need to save the number first.
Pro Calculators and Guides
How to Draw and Explain Ideas on an Online Whiteboard
Sketch with your mouse, finger or stylus on a blank board, choose colours and pen size, erase and download your board as a PNG.