Every Cleanor Tool

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 Opus audio to MP3. Free, in your browser, no upload.

Convert Opus audio to WAV. Free, in your browser, no upload.

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

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

Convert fluid ounces to liters instantly: 1 liter = 33.814 fluid ounces.

Convert fluid ounces to milliliters instantly: 1 fluid ounce = 29.5735 milliliters.

Convert ounces to pounds instantly: 1 pound = 16 ounces.

Find outliers with the 1.5 × IQR rule. Free, instant, in your browser.

Weekly pay with time and a half. Free, instant, in your browser.

Estimate your fertile window, ovulation day, and next period from your last period and cycle length. Free, in your browser, nothing is uploaded.

Convert ounces to kilograms instantly: 1 kilogram = 35.274 ounces.

Enter a distance and finish time to get your pace, plus what it projects for common race distances.

Convert running pace and speed between min/km, min/mile, km/h, mph and m/s. Free, in your browser, nothing is uploaded.

Enter a room's dimensions to get the wall area and how many gallons of paint you need.

Check whether a word or phrase reads the same forwards and backwards. Free, in your browser, no upload.

Equivalent resistance of 2 to 4 resistors. Free, instant, in your browser.

Convert concentration between percent, per mille, ppm, ppb, ppt, mg/kg and mg/L. Free, in your browser, nothing is uploaded.

Generate Pascal's triangle with a chosen number of rows. Free, in your browser, no sign-up.

Prepare a client-side passport-style photo with country presets, head guides, background cleanup, and export.