61+ Curated Tools โ No Signup Required
Free Online Tools
For Productivity, Design, Security, and Daily Tasks
NinzaKit helps you complete common tasks quickly with free browser-based utilities for creators, developers, students, and teams.
Press Ctrl + K to search
Featured Tools
View all๐
Password Hash Generator
Generate secure password hashes using bcrypt and more.
Security Ninja
password hash generator free
bcrypt hash generator online
sha256 hash generator
#๏ธโฃ
Hashtag Generator
Generate relevant hashtags by topic, keyword, or platform.
Marketing Ninja
hashtag generator free
instagram hashtag generator
tiktok hashtags
๐ฅ
Calorie & Health Calculator
Calculate BMR, TDEE, macros, ideal weight, and body fat percentage.
Life Ninja
calorie calculator free online
tdee calculator
bmr calculator
๐
Social Media Post Planner
Plan and organize your social media posts with a visual calendar.
Marketing Ninja
social media planner free
content calendar tool
social media scheduler
๐
WHOIS Lookup
Full WHOIS lookup with parsed fields, raw output, and bulk checking.
Web Ninja
whois lookup free
domain owner lookup
whois search tool
๐
Image Format Converter
Convert images between JPG, PNG, WebP, and BMP formats.
Design Ninja
image format converter free
convert jpg to png online
convert png to webp free
Ninja Categories
Productivity Ninja
Master your workflow with word counters, diff checkers, JSON formatters, and document converters โ fast and precise.
Web Ninja
Take control of your web presence with DNS lookup, SSL checker, WHOIS, domain tools, and IP utilities.
Design Ninja
Create stunning visuals โ resize, crop, compress images, remove backgrounds, and generate color palettes.
Security Ninja
Protect your data with strong password generators, hash tools, and BIN code checkers โ fast and secure.
Life Ninja
Simplify daily calculations โ track BMI, calories, convert units, currencies, and time zones effortlessly.
Utility Ninja
Quick tricks for every task โ generate QR codes, scan barcodes, convert images to Base64, and more.
SEO Ninja
Master search engine optimization with powerful SEO tools.
Dev Ninja
Developer tools for coding, debugging, and testing.
Fun Ninja
Fun tools, games, and creative utilities for everyone.