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Free online tools to boost your productivity, creativity, and fun. No signup required - use them anywhere, anytime!
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Advanced Image to Base64 Converter
Professional image conversion tool with client-side processing, advanced optimization, resize controls, and multiple output formats. 100% secure - your images never leave your browser.
Our Most Popular Tools
Tridosha Analyst - Prakriti Finder
Discover your Ayurvedic constitution with our comprehensive dosha quiz. Calculate Vata, Pitta & Kapha percentages, get personalized diet plans, lifestyle recommendations & downloadable wellness reports.
Use NowWhat to Do Decision Spinner
A premium, physics-based decision wheel. Settle debates, pick random winners, or play games with realistic sound effects, haptic feedback, and a secret 'rigged' mode.
Use NowSecureClip - Encrypted Clipboard
End-to-end encrypted clipboard sharing with AES-256, self-destructing messages, QR codes, and zero-knowledge architecture. Share sensitive data securely.
Use NowCalendar Event Link Generator
Create instant calendar event links for Google, Outlook, Apple, Yahoo & 8+ platforms. Generate QR codes, ICS files, and shareable invites with one click.
Use NowAdvanced Bulk Filename Renamer
Powerful file renaming tool: add prefixes/suffixes, find & replace, auto-numbering, case conversion, duplicate detection, metadata extraction, and ZIP download. 100% client-side processing.
Use NowInteractive What-If Expense Reallocator
Advanced financial planning tool with real-time scenario analysis, goal tracking, opportunity cost calculations, and interactive charts. Visualize how budget changes impact your savings goals.
Use NowChi-Square Calculator & Table Generator
Professional statistical tool for Chi-Square tests: calculate expected frequencies, p-values, significance levels, and generate detailed reports with visual charts.
Use NowBhagwan Naam Jaap Counter
Digital mantra chanting counter with multiple deities, progress tracking, spiritual certificates, and beautiful themes. Perfect for daily sadhana and meditation practice.
Use NowAdvanced 64-in-1 Percentage Calculator
Solve every type of percentage calculation in one place – discounts, finance, exams, ROI, statistics, and more.
Use NowAdvanced Break-Even Point Calculator
Instantly calculate your business break-even point, total revenue, and profit margin using fixed and variable costs. Includes charts, reports, and a mobile-friendly interface.
Use NowCost Sheet Builder Pro
Professional cost analysis tool: Calculate prime cost, factory cost, cost of production, selling price with interactive charts, PDF exports, and smart business insights.
Use NowText & Document Utilities Hub
9 powerful text tools in one place: word counter, case converter, text cleaner, diff tool, find & replace, encryption, binary converter, markdown preview & JSON formatter.
Use NowCSV Converter Suite
Convert CSV files into multiple formats including JSON, Excel, SQL, Markdown, LaTeX, and more with clean, instant outputs.
Use NowJSON Converter
Convert JSON data to multiple formats including SQL, CSV, Excel, YAML, XML, Markdown, and NDJSON with clean, instant outputs.
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 NowCrossword Generator
Create custom crossword puzzles for fun or educational purposes.
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 NowImage to Base64 Encoder
Convert local images (PNG, JPEG, SVG) directly into optimized Base64 data strings for simple embedding into CSS or HTML files.
Use NowBase64 Image Converter
Advanced client-side Base64 to image converter with editing features: resize, crop, format conversion, quality adjustment, and code generation for HTML/CSS/React.
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 NowFlip the Coin
Can't decide? Let our virtual coin flip make the choice for you!
Use NowFun Color Picker & Mixer
Pick, mix, and copy colors instantly with our fun color tool
Use NowOnline Drawing Board
Feature-rich digital canvas designed for creativity and sketches.
Use NowUltimate Personality Checker
Answer questions and discover your hidden personality type!
Use NowLive Word and Character Counter
Instantly count words, characters, sentences, and paragraphs in any text, helping you meet strict content length requirements.
Use NowUniversal Unit Converter
Convert between various units of measurement for length, weight, temperature, volume, and more, quickly and accurately.
Use NowLive Regular Expression Tester
Test, debug, and visualize your regular expressions (Regex) against sample text in real-time with comprehensive breakdown.
Use NowDynamic QR Code Generator
Create custom QR codes for URLs, plain text, Wi-Fi details, and contact information with options for color and error correction.
Use NowSecure High-Entropy Password Generator
Generate high-entropy, cryptographically strong passwords tailored to specific complexity, length, and character requirements.
Use NowJSON Formatter, Beautifier & Validator
Beautify, minify, and instantly validate JSON data, making complex, nested data structures readable and error-free.
Use NowText Cleaner & Formatting Stripper
Quickly remove line breaks, unnecessary white space, and special/hidden characters from large blocks of pasted text.
Use NowCustomizable Countdown Timer
Set reliable, visually engaging timers for meetings, focused work sessions, or tracking project deadlines with customizable alerts.
Use NowBody Mass Index (BMI) Calculator
Quickly and accurately calculate your BMI and determine your corresponding weight category based on standard international metrics.
Use NowAccurate Date and Age Calculator
Calculate exact age in years, months, and days, or determine the precise time duration between any two specified dates.
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.