Powerful Tools for Everyone
Free online tools to boost your productivity, creativity, and fun. No signup required - use them anywhere, anytime!
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Our Most Popular Tools
Advanced 64-in-1 Percentage Calculator
Solve every type of percentage calculation in one place – discounts, finance, exams, ROI, statistics, and more.
Use NowJoin the Dots Maker
Create custom connect-the-dots puzzles from images. Perfect for kids, teachers, and parents — download as PDF or PNG.
Use NowStress Relief Tools
Find calm, clarity, and perspective through guided journaling and mindful reading.
Use NowRegex to DFA Converter
Instantly generate DFA from a regular expression, complete with NFA table, DFA transition table, and state diagram visualization.
Use NowMoore to Mealy Converter
Easily convert Moore machines into equivalent Mealy machines with tables and interactive diagrams.
Use NowMealy to Moore Converter
Convert Mealy machines into equivalent Moore machines with structured outputs and state diagrams.
Use NowFuel Cost Estimator
Calculate fuel costs for your trips based on distance and vehicle efficiency.
Use NowPDF Converter
Convert documents to PDF and vice versa without losing formatting.
Use NowTyping Speed Test
Test and improve your typing speed with fun challenges and statistics.
Use NowText Editor
A clean, distraction-free text editor with formatting options and word count.
Use NowButton Generator
Create beautiful CSS buttons with custom styles and copy the code.
Use NowUltimate Personality Checker
Answer questions and discover your hidden personality type!
Use NowOur Story
Why eHelpfulTools Exists
We started eHelpfulTools in 2020 with a simple mission: to create free, accessible tools that solve everyday problems without requiring signups or payments.
Frustrated by websites that demanded personal information just to use basic tools, we built a collection of utilities that respect your privacy and work instantly.
Today, eHelpfulTools serves thousands of users worldwide - students, teachers, freelancers, and professionals who value simplicity and efficiency.
What Users Say
"The crossword generator saves me hours of work creating classroom activities. My students love it!"
"As a freelancer, I use the PDF converter daily. It's fast, reliable, and doesn't ask for my email."
"The button generator helps me prototype UIs quickly. I've bookmarked this site!"
"My exam of Theory Of Computation is tommorow,and moore to mealy converter is just saving my time and giving me efficient results."
"Thanks ehelpfultools.tech for you join the dots maker,is it easy to use tool."
Frequently Asked Questions
No! All our tools are completely free to use without any account creation. Just visit the tool you need and start using it immediately.
No limits at all. Use our tools as much as you need, whenever you need them. We don't impose usage restrictions or require subscriptions.
We support the site through non-intrusive ads and optional donations. Your data isn't sold to advertisers - we respect your privacy.
Absolutely! We welcome tool suggestions from our users. Visit our contact page to submit your idea.
Yes! All our tools are designed to work perfectly on smartphones and tablets as well as desktop computers.