Ultimate Developer & Creator Tools
Fast, private, and simple tools you can use instantly — calculators, converters, text utilities, developer helpers, and more. No registration required.
Popular Tools
The tools people reach for most.
Age Calculator
Find your exact age in years, months, and days.
Percentage Calculator
Work out percentages, increases, and decreases.
BMI Calculator
Calculate your Body Mass Index and category.
Word Counter
Count words, sentences, and reading time.
Password Generator
Create strong, secure random passwords.
Text Case Converter
Convert text to upper, lower, title, and more.
JSON Formatter
Beautify and minify JSON instantly.
Color Converter
Convert HEX, RGB, and HSL colors.
Featured Tools
Hand-picked tools worth trying this week.
Age Calculator
Find your exact age in years, months, and days.
Word Counter
Count words, sentences, and reading time.
Password Generator
Create strong, secure random passwords.
JSON Formatter
Beautify and minify JSON instantly.
QR Code Generator
Turn text or links into a QR code.
Loan Calculator
Estimate monthly payments and interest.
Image Compressor
Shrink image file size without uploading.
Favicon Generator
Create favicons in every size you need.
Browse by Category
14 categories covering everyday tasks.
AI Tools
1Smart assistants and AI-powered utilities.
PDF Tools
5Work with PDF documents right in your browser.
Image Tools
8Resize, convert, compress, and edit images.
Text Tools
5Count, format, and transform text instantly.
SEO Tools
1Optimize content and analyze pages for search.
Developer Tools
11Encoders, formatters, and generators for developers.
Finance Tools
2Loans, interest, budgeting, and money calculators.
Health Tools
1Fitness, body, and wellness calculators.
Calculators
2Everyday math, dates, and percentages.
Why Toolmongy?
Instant, no waiting
Every tool runs the moment you open it — no loading screens, no queues.
Privacy by default
Most tools process everything in your browser. Nothing you type gets uploaded.
Actually free
No paywalls, no premium tier, no credit card. Just free tools.
Always growing
New tools are added regularly — request one you're missing anytime.