Every Cleanor Tool

Draw never-have-i-ever prompts by category, family-friendly, no repeats.

Days until New Year, live to the second in your time zone.

Short, punchy nicknames built from three different patterns.

Estimate your National Pension System corpus at 60, the lump sum you can withdraw, and the monthly pension from the annuity. Free, in your browser, no sign-up.

Enter an initial investment, discount rate, and yearly cash flows to get the net present value.

Add sequential numbers to each item in a list. Free, in your browser, no upload.

Convert a number into Roman numerals. Free, in your browser, nothing is uploaded.

Spell out a number in English words. Free, in your browser, nothing is uploaded.

Convert Octal to Binary instantly in your browser. Free, no upload, no sign-up.

Convert Octal to Decimal instantly in your browser. Free, no upload, no sign-up.

Convert Octal to Hex instantly in your browser. Free, no upload, no sign-up.

Convert Octal to Text instantly in your browser. Free, no upload, no sign-up.

Convert one OGG file into MP3 locally when an app or device will not play OGG.

Enter any 2 of voltage, current, resistance, or power to get the other 2.

Enter a weight and the reps you got with it to estimate your one-rep max, plus a training percentage chart.

A live digital and analog clock for your screen, with 12/24-hour and seconds toggles. Free, in your browser, nothing is uploaded.

Keep steady time with an accurate metronome: adjustable BPM, time signatures, and an accented downbeat with a visual beat indicator. Free, in your browser, nothing is uploaded.

A distraction-free notepad that autosaves as you type, with live word and character counts and a clear button. Free, in your browser, nothing is uploaded.

A simple to-do list that saves in your browser: add tasks, check them off, delete, and clear completed, surviving reloads. Free, in your browser, nothing is uploaded.

Generate Open Graph and Twitter card meta tags so links show a rich title, description, and image when shared. Free, in your browser, nothing is uploaded.

Preview how your link looks on Facebook, X, LinkedIn, and Slack. Free, in your browser, nothing is uploaded.

Work out the profit or loss on a call or put option at expiration, bought or sold, with the breakeven price and the maximum profit and loss. Free, in your browser, no sign-up.

Convert fluid ounces to cups instantly: 1 fluid ounce = 0.125 cups.

Convert ounces to grams instantly: 1 ounce = 28.3495 grams.