Every small tool you need,
right in your browser.
A growing library of free, private tools for text, developers, colors, converters and calculators. No sign-up. No tracking. No nonsense.
Browse by category
View all →Featured tools
Word Counter
Count words, characters, sentences and paragraphs in real time.
Case Converter
Convert text between UPPER, lower, Title, Sentence and more.
JSON Formatter
Pretty-print and minify JSON with syntax validation.
UUID Generator
Generate cryptographically random UUID v4 identifiers.
Color Picker
Pick a color and read HEX, RGB and HSL values.
Password Generator
Generate strong, cryptographically random passwords.
QR Code Generator
Generate QR codes for URLs, text or Wi-Fi credentials.
BMI Calculator
Calculate your Body Mass Index in metric or imperial units.
Popular this week
Word Counter
Count words, characters, sentences and paragraphs in real time.
Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
JSON Formatter
Pretty-print and minify JSON with syntax validation.
Base64 Encode / Decode
Encode or decode Base64 strings, with Unicode support.
Gradient Generator
Build beautiful CSS gradients with live preview.
Password Generator
Generate strong, cryptographically random passwords.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin.
Age Calculator
Calculate your exact age in years, months, weeks and days.
Loan Calculator
Calculate monthly loan payments, total interest and schedule.
Recently added
Age Calculator
Calculate your exact age in years, months, weeks and days.
Date Difference Calculator
Find the exact difference between two dates.
Percentage Calculator
Percentages, percent change, and percent of a number.
BMI Calculator
Calculate your Body Mass Index in metric or imperial units.
BMR Calculator
Estimate your Basal Metabolic Rate — daily calories at rest.
Compound Interest Calculator
See how your investments grow with compounding over time.
Loan Calculator
Calculate monthly loan payments, total interest and schedule.
Mortgage Calculator
Estimate mortgage payments, interest and amortization.
Why ToolHub
Fast, private, and built to stay that way.
Privacy by default
Everything runs in your browser. Your data never leaves your device.
Instant results
No page reloads, no waiting. Results update as you type.
Delightful UX
Clean design, thoughtful details, and accessible on every device.