Free Online Tools for Developers and Everyday Tasks
Why Use Online Tools?
Online tools help users complete common tasks without installing software. Whether you are a developer, student, system administrator or office worker, browser-based utilities can save time and improve productivity.
SimpleMoney Tools focuses on simplicity, speed and accessibility. Every tool is designed to work directly in your browser whenever possible.
SimpleMoney Tools provides free browser-based utilities for developers, system administrators, students and office users.
Our collection includes DNS tools, SSL certificate tools, CSR utilities, text processing tools, date calculators, encoding utilities and many other productivity tools.
Certificate And CSR Tools
Dev And Utility Tools
Network And DNS Tools
Advanced Network Tools
Network Calculation Tools
Web Security Tools
Email Security Tools
Web Analysis Tools
Number And Date Tools
Text Tool
Finance Calculators
Unit Converters
Color & Design Tools
Password & Security Tools
Math & Science Tools
Random & Fun Tools
Image & Media Tools
Everyday Calculators
Business & Marketing Tools
Home & DIY Tools
Education & Study Tools
Fitness & Workout Tools
Travel Tools
Automotive Tools
Recipe & Cooking Tools
Pet & Animal Tools
Real Estate Tools
Event Planning Tools
Parenting & Baby Tools
Job Search & Career Tools
Sports & Game Tools
Music Theory Tools
Photography Tools
Home Energy Tools
Board Game Tools
Homebrewing Tools
Moving & Relocation Tools
Debt Payoff Tools
Coffee Brewing Tools
Astronomy Tools
Wedding Planning Tools
Gardening & Plant Care Tools
Book & Reading Tools
Genealogy & Family Tree Tools
Home Inventory & Insurance Tools
Podcast & YouTube Content Tools
Language Learning & Practice Tools
Running & Cycling Training Tools
Streaming & Media Budget Tools
Gift & Holiday Budget Tools
Woodworking & DIY Project Tools
Freelance & Contractor Rate Tools
Knitting, Crochet & Sewing Tools
FIRE & Retirement Planning Tools
Camping & Backpacking Tools
Aquarium & Terrarium Tools
Student Loan Planning Tools
Car Buying & Leasing Tools
Board & Card Game Tools
Houseplant Care Tools
Small Business Pricing Tools
Volunteer & Nonprofit Tools
Candle Making Tools
3D Printing Tools
Genealogy DNA & Centimorgan Tools
Moving & Storage Unit Tools
Party & Potluck Planning Tools
Home Organization Tools
Bicycle Maintenance Tools
Pool & Spa Maintenance Tools
Home Theater & AV Tools
Firewood & Wood Heating Tools
Garden Harvest & Yield Tools
Pet Grooming Care Tools
Home Security & Smart Home Tools
Tipping & Bill Splitting Tools
Sewing Pattern Grading Tools
Board Game Collection Tools
Kombucha & Fermentation Tools
Lawn Care Tools
Jewelry Making Tools
Fishing Tackle Tools
Cocktail & Mixology Tools
Beekeeping Tools
Leatherworking Tools
Vinyl Record Tools
Archery Tools
Miniature Painting Tools
Woodturning Tools
Disc Golf Tools
Birdwatching Tools
Embroidery Tools
Calligraphy Tools
Model Railroading Tools
Scrapbooking Tools
Quilting Tools
Stamp Collecting Tools
Coin Collecting Tools
Text & Developer Tools
Security & Privacy Tools
File & Data Converters
Image Tools
Everyday Converters & Calculators
Crypto Tools
About SimpleMoney Tools
All tools are designed to be fast, simple and accessible directly from your browser without requiring software installation.
Whether you need to decode a CSR, compare text files, perform DNS lookups, generate UUIDs or format JSON, SimpleMoney Tools helps you complete common tasks quickly.
Popular Tool Categories
Finance Calculators
Loan and mortgage payments, compound interest, tip splitting, discounts, percentages and savings goal calculators.
Unit Converters
Length, weight, temperature, volume, data storage and speed converters between metric and imperial units.
Color and Design Tools
HEX/RGB/HSL color conversion, WCAG contrast checking, palette generation, and CSS gradient, box-shadow and border-radius generators.
Certificate and CSR Tools
SSL certificate utilities, CSR decoders, CSR generators and certificate inspection tools.
Network and DNS Tools
DNS lookup, WHOIS checking, advanced DNS records, network calculations, and comprehensive network troubleshooting tools.
Web Security Tools
Security headers checker, TLS version verification, certificate chain viewing, DNSSEC validation, domain expiry checking and blacklist detection.
Email Security Tools
SPF, DKIM, and DMARC validation tools for email authentication and security.
Web Analysis Tools
Website information, HTTP headers analysis, technology detection, CDN detection, cookie inspection and Open Graph preview tools.
Text and Developer Tools
Text comparison, duplicate removal, Base64 encoding, JSON formatting and developer productivity utilities.
Password and Security Tools
Password and passphrase generators, strength checking, PIN and API key generation, backup codes and OTP secret generation.
Math and Science Tools
Right triangle and circle solvers, quadratic equations, GCD/LCM, prime factorization, statistics, Ohm's law and logarithm calculators.
Random and Fun Tools
Coin flips, dice rolls, random numbers, team generators, yes/no decisions, random dates, lottery numbers and list pickers.
Image and Media Tools
Resize, crop, compress and convert images, image-to-Base64, a pixel color picker, filters, rotate/flip, SVG to PNG and a text watermark tool — all processed locally in your browser with the Canvas API.
Everyday Calculators
BMI, BMR, TDEE, water intake, heart rate zones, body fat percentage, ideal weight and waist-to-hip ratio — quick health and fitness estimates, not medical advice.
Business and Marketing Tools
Invoice generation, UTM campaign link building, business name and slogan generators, profit margin and break-even calculators, an email signature builder and a live meeting cost calculator.
Home and DIY Tools
Paint, tile, concrete, wallpaper, mulch and grass-seed calculators for everyday home projects, plus fence planning and a wire gauge reference for basic electrical estimates.
Education and Study Tools
A GPA and letter grade calculator, a citation generator, flashcards, a Pomodoro study timer, a periodic table reference, a times table generator and a typing speed test.
Fitness and Workout Tools
A one rep max calculator, running pace calculator, calorie burn estimator, steps-to-distance converter, VO2 max estimator, macronutrient split calculator, workout volume tracker and a rest timer.
Frequently Asked Questions
Are the tools free?
Yes. All tools are completely free to use.
Do I need an account?
No registration is required.
Is my data uploaded?
Most tools process data directly inside your browser whenever possible.