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7 Free Utility Tools

Every tool on this page is free to use with no account required. Each opens as its own dedicated page, bookmarkable and shareable.

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free unit converter online
Unit Converter
Convert between length, weight, temperature, volume, and area units. Five categories, instant results, swap button to reverse direction.
Useful for haunted house space planning, recipe scaling, and any measurement conversion.
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free age calculator
Age Calculator
Find your exact age in years, months, and days. Also shows total days lived, total weeks, and days until your next birthday.
Great for birthday party planning and any age-specific event coordination.
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percentage calculator free
Percentage Calculator
Three modes: find a percentage of a number, calculate what percent X is of Y, or find the percentage change between two values.
Useful for Halloween deal calculations, budget planning, and business margin calculations.
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word counter online free
Word Counter
Paste or type any text to instantly count words, characters, sentences, paragraphs, and estimated reading time at average speed.
Essential for content creators, bloggers, and anyone writing Halloween articles or book manuscripts.
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random name generator
Random Name Generator
Generate random names in five styles: American/Modern, British/Classic, Fantasy/Fictional, Viking/Norse, and Pen Name. Click any name to copy it.
Perfect for pen names, fictional characters, business names, and Halloween costume personas.
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password strength checker
Password Strength Checker
Type or paste any password to instantly see its strength rating, which security requirements it meets, and an estimate of how long it would take to crack.
Use before setting passwords for your website, Amazon KDP account, or email marketing platform.
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reading time calculator
Reading Time Calculator
Enter a word count or paste text to calculate how long it takes to read. Four speed presets or enter your own words-per-minute rate.
Useful for estimating article read time, book chapter length, and planning content consumption.
Why free tools on a Halloween site?

HalloweenPlaybook.com covers everything Halloween — and part of that is providing genuinely useful resources to our readers year-round, not just in October. A word counter, a percentage calculator, and a reading time estimator are useful to Halloween content creators, vendors, and event planners 12 months a year. All tools are self-contained, load instantly, and work without an internet connection once the page is open.