Writing tool
Word & reading time counter
Count words and characters, then estimate how long a passage might take to read.
Open toolA practical little corner
Useful tools for everyday questions.
A good answer sometimes needs a quick calculation. These focused tools work in your browser and give you a result without an account.
Everyday maths
Percentage calculator
Find a percentage of a number, compare two values or work out a percentage change.
Open toolHow they work
A little clarity, quickly.
Choose a tool, enter the text or numbers you are working with, and read the result beside the explanation. Each page shows what its result means and where an estimate has limits.
The calculations run in your browser. Text and numbers entered into these tools are not submitted to Serynix. You can clear the input and start again whenever you like.
Looking for a fuller explanation? Browse our stories for practical guides and ideas with more context.