Comma Separated to Lines

Extract all links and URLs from any text, document or web page in one click.

Sort lines alphabetically A-Z or Z-A, by length, numerically, or shuffle them randomly.

Type Arabic online with a phonetic Arabic keyboard – use your normal keyboard or on-screen keys, then copy the Arabic text anywhere. Free.

Check if a word, phrase, sentence or number is a palindrome (reads the same backwards) – ignores spaces and punctuation, with explanation.

Find probabilities under the normal (bell) curve from mean and standard deviation – P(X < x), P(X > x), between two values – plus z-scores and inverse normal.

Create a personalised exam study timetable – add subjects, chapters and difficulty, set your exam date and daily hours, and get a day-by-day revision plan with review days. Tick off progress and print.

Create a professional invoice online with items, tax and discount, then print or save it as PDF.

Find all real and complex roots of a polynomial up to degree 8 from its coefficients – quadratic, cubic, quartic and higher.