🧰 Free Tools

Calculators, converters, generators and trackers. No sign-up — everything runs in your browser.

🧮 Calculator

Standard or scientific — with a history tape. Click, tap, or type.

Find X% of Y, what percent X is of Y, and percentage change.

Length, weight, temperature, speed and data units. Live two-way conversion.

Exact age in years, months and days, plus total days and weeks lived.

Body mass index with metric and imperial units, category and healthy range.

Set tip percent with a slider, split the bill any number of ways.

American, decimal & fractional odds plus implied probability and parlays.

Drill basic strategy with Hit, Stand, Double & Split decisions.

Strong random passwords up to 64 characters or memorable passphrases.

Turn any text or URL into a scannable QR code.

Set min and max, generate up to 1000 numbers, allow or block duplicates.

Animated coin flip with heads/tails tally and a dice roller (d4–d100).

Spinning wheel: save multiple wheels, eliminate winners, track history.

Live words, characters, sentences, paragraphs, reading and speaking time.

8 categories, starts-with and length filters, one-click favorites.

Pick a niche, enter a topic, get 10 scroll-stopping hooks for TikTok & Reels.

Combine genre, mood, tempo, era, instruments and vocals into a copy-ready prompt.

How many Spotify, Apple Music or YouTube streams to earn $100, $1K and beyond.

Log giveaways, check off daily & weekly entries, build streaks.

Online stopwatch with lap times and a countdown timer with audio alarm.

Website status checker: redirect chains, response headers, SSL check, bulk URLs.