Popular Tools
The tools people reach for most on Toolmongy — 30 tools and counting.
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.
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.
Image Resizer
Resize images to exact dimensions.
Image Format Converter
Convert between PNG, JPEG, and WebP.
Merge PDF
Combine multiple PDFs into one.
Split PDF
Extract pages or split a PDF apart.
PDF to Images
Turn PDF pages into PNG images.
Meta Tags Generator
Generate and preview HTML meta tags.
YouTube Thumbnail Downloader
Download YouTube thumbnails.
Pomodoro Timer
Boost productivity with a Pomodoro timer.
GPA Calculator
Calculate your Grade Point Average.
Prompt Generator
Build optimized AI prompts.
JWT Decoder
Decode and inspect JWT tokens instantly.
Regex Tester
Test regex patterns with live highlighting.
Diff Checker
Compare two texts and spot the differences.
Color Palette Generator
Generate harmonious color palettes from any color.
Image Converter
Convert images to WebP, PNG, or JPG.
Fake Data Generator
Generate realistic fake data for testing.
Salary Calculator
Convert wages between all pay periods.
UTM Link Builder
Build tracking URLs for marketing campaigns.
SQL Formatter
Format and beautify SQL queries.