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29 tools
Instantly calculate the monthly installment, total interest and repayment plan.
Plan your monthly income and expenses by category.
Track your subscriptions and renewal dates; see your total monthly and yearly spend.
Instantly plot and examine the graph of mathematical functions.
Quickly calculate square roots, cube roots and exponents.
Explore the digits of pi and do circle-related calculations.
A full-featured calculator with algebra, trigonometry and calculus keys.
Calculate probability scenarios with combinations and permutations.
Solve first- and second-degree equations step by step.
See your exact age and important day counts based on your birth date.
Calculate the day, week and month difference between two dates.
Live-track the time remaining until an important date.
Calculate your body mass index based on height and weight.
Find your daily water needs based on weight and activity level.
Calculate your daily calorie needs based on age, height, weight and activity.
Instantly see the character, word, sentence and paragraph count of the text you type or paste.
Generate strong, random passwords and choose which character types to include.
Instantly turn the text or link you type into a scannable QR code.
Instantly convert your text to UPPERCASE, lowercase, Title Case and more.
Instantly generate placeholder text for design and content mockups.
Format JSON data into readable pretty-print, or minify it into a single compact line.
Check whether your JSON data is valid; if not, see exactly which line and column the error is on.
Encode text into Base64 format or decode Base64 data back into the original text.
Generate unique UUID identifiers in v1, v4, or v7 format; create multiple at once.
Decode a JWT (JSON Web Token) and verify its signature, or generate a new one from a header/payload (HS256/HS384/HS512).
Work for 25 minutes, take a 5-minute break; take a long break every 4 sessions with the Pomodoro Technique.
52 minutes of complete focus, 17 minutes of complete rest — the balanced work rhythm used by the most productive workers.
90 minutes of deep focus, 20 minutes of complete rest — a work rhythm that follows the brain's natural peak-focus cycle.
Sort your tasks by urgency and importance into four quadrants; get clear on what to do now, schedule, delegate, or drop.