JJ Creator
JJ Creator
Free, fast browser tools — no signup, no install. Calculators, converters, text editors and more. Just open and use.
Easy-to-use calculators for everyday math and financial needs
Exact age in years, months, days & more
Check your Body Mass Index & health status
Calculate percentages & increase/decrease
Monthly payments, interest & amortization
Calculate tips & split bills instantly
Custom timers for events & deadlines
Days, months & years between two dates
Calculate your daily calorie needs (TDEE)
Convert between units, currencies, formats, and more
Length, weight, temp, volume & more
150+ currencies with live rates
Convert JPG, PNG, WEBP, GIF easily
Resize images to any dimension instantly
Convert time across worldwide zones
Encode or decode Base64 strings
Encode & decode URLs for web & APIs
Compress JPG, PNG and WEBP images online
Crop image in Circle shape
Powerful text manipulation, formatting, and editing tools
Words, chars, sentences & paragraphs
UPPER, lower, Title & Sentence case
Convert text to natural-sounding audio
Placeholder text for designs & mockups
Format, validate & beautify JSON data
Write & preview Markdown with live render
Remove extra spaces, symbols & formatting
Repeat any text or pattern instantly
Sort lines alphabetically or by length
Convert text to URL-friendly slugs
Find & replace words in any text
Add line numbers to any text block
Count how often each character appears
Check text against platform char limits
Quick online notepad, auto-saves locally
Generate QR codes, passwords, random content, and more
QR codes for URLs, text, WiFi & more
Strong random passwords with custom rules
Test how strong your password is
Beautiful palettes in HEX, RGB & HSL
Generate random numbers in any range
Generate random words & sentences
Flip a virtual coin for quick decisions
Random yes or no for tough decisions
Precise stopwatch with lap & split times
Perfect for tabletop RPGs and board games
We build modern business websites, advanced web tools, and tailored digital solutions designed to improve performance, efficiency, and user experience.
Need a website or custom tool? Let's bring your idea to life.
projects@jjcreator.com →