Free Online Tools
by Uanexis
491+ fast, secure, and privacy-first online tools for text processing, image editing, PDF conversion, development, calculations, and more. No ads, no data collection — just tools that work.
100% Free
Every tool is completely free with no hidden costs or premium plans.
Secure & Private
SSL encrypted. Your data is processed locally and never stored.
No Signup
Start using any tool instantly — no accounts, no emails, no tracking.
All Devices
Fully responsive design that works on desktop, tablet, and mobile.
Works Offline
Most tools run entirely in your browser — no server needed.
No Ads
Clean, distraction-free interface without advertisements.
Most Popular
13 tools available
Text Tools
39 tools available
Word Counter
Case Converter
Lorem Ipsum Generator
Slug Generator
Remove Duplicate Lines
Text Reverser
Find & Replace
Text to Binary
Morse Code Translator
Character Counter
Text Diff Checker
Sentence Counter
Paragraph Counter
Word Frequency Analyzer
Keyword Density Checker
Readability Checker
Plagiarism Checker
URL Slug Checker
Text Statistics Analyzer
Word Cloud Generator
Emoji Picker
Emoji Converter
Markdown Editor
Online Notepad
Secure Notes Tool
Clipboard Cleaner
Case Alternator
Text Sorter
Line Sorter
Remove Extra Spaces
Duplicate Word Finder
Slugify Tool
ASCII to Text
Text to ASCII
Unicode Converter
Morse Code Generator
Morse Code Decoder
Text Encryptor
Text Decryptor
AI Writing & Coding
20 tools available
AI Text Summarizer
AI Paraphrasing Tool
AI Grammar Fixer
AI Email Writer
AI Blog Title Generator
AI Product Description Generator
AI Ad Copy Generator
AI Tweet Generator
AI LinkedIn Post Generator
AI Story Generator
AI Code Explainer
AI Code Optimizer
AI SQL Query Generator
AI Regex Generator
AI Excel Formula Generator
AI Resume Builder
AI Cover Letter Generator
AI Business Name Generator
AI Slogan Generator
AI Hashtag Generator
Encoder / Decoder
13 tools available
Developer Tools
55 tools available
JSON Formatter
JSON to CSV
CSV to JSON
Color Converter
Regex Tester
Markdown Preview
UUID Generator
Hash Generator
Timestamp Converter
JWT Decoder
SQL Query Generator
Regex Generator
Excel Formula Generator
HTML Minifier
CSS Minifier
JS Minifier
HTML Beautifier
CSS Beautifier
JS Beautifier
XML Formatter
YAML Formatter
SQL Formatter
CSV Formatter
Log Analyzer
Apache Log Analyzer
Nginx Log Analyzer
CSV Cleaner
Data Deduplicator
Data Normalizer
Data Sorter
Data Filter Tool
JSON Compare
XML Compare
HTML Compare
CSS Compare
JS Compare
Timestamp to Date
Date to Timestamp
Unix Time Converter
HTML Entities Table
JSON Validator
HTML Validator
CSS Validator
XML Validator
JWT Generator
HMAC Generator
SHA-256 Generator
MD5 Compare
Hash Compare
RSA Key Generator
Cron Expression Generator
Cron Expression Parser
Markdown to HTML
URL Parser
UUID Validator
Math & Finance
79 tools available
Percentage Calculator
Age Calculator
BMI Calculator
Loan EMI Calculator
Tip Calculator
Unit Converter
Temperature Converter
Number Base Converter
Roman Numeral Converter
Discount Calculator
Average Calculator
Aspect Ratio Calculator
Gas Fee Calculator
Asset Depreciation Calculator
Amortization Schedule Generator
EMI Schedule Generator
Loan Prepayment Calculator
Discount Percentage Calculator
Price Comparison Tool
Marketplace Fee Calculator
Freelancer Rate Calculator
Hourly Rate Calculator
Time Tracking Calculator
Zakat Calculator
Charity Donation Calculator
Unit Price Calculator
Construction Material Calculator
Paint Calculator
Tile Calculator
Concrete Calculator
BMI for Children Calculator
Life Expectancy Calculator
Percentage Change Calculator
Combination Calculator
Permutation Calculator
Probability Calculator
Mean Median Mode Calculator
Standard Deviation Calculator
Scientific Calculator
Matrix Calculator
Determinant Calculator
Polynomial Solver
Quadratic Equation Solver
Linear Equation Solver
Derivative Calculator
Integral Calculator
Log Calculator
Fraction Calculator
Ratio Calculator
Proportion Calculator
GST Calculator
VAT Calculator
Sales Tax Calculator
Profit Margin Calculator
Break-Even Calculator
ROI Calculator
Compound Interest Calculator
Inflation Calculator
Currency Converter (Live)
Cryptocurrency Converter
Loan Comparison Calculator
SIP Calculator
Retirement Calculator
Mortgage Calculator
Salary Tax Calculator
Commission Calculator
Fuel Cost Calculator
Electricity Bill Calculator
EMI Calculator (Advanced)
GPA Calculator
Grade Percentage Calculator
BMR Calculator
Body Fat Calculator
Ideal Weight Calculator
Calorie Calculator
Water Intake Calculator
Pregnancy Due Date Calculator
Step Counter Estimator
Pace Calculator
Image & File Tools
43 tools available
Image Compressor
Background Remover
JPG to PDF
PDF to Word
QR Code Generator
Image to Base64
PDF Text Extractor
PDF Splitter
PDF Merger
PDF Compressor
PDF Protector
PDF Unlocker
PDF Watermark Tool
PDF Page Number Adder
PDF Rotator
PDF to PNG
PNG to PDF
HEIC to JPG
SVG to PNG
PNG to SVG
Image Rotator
Image Flipper
Image Watermark Tool
Image Metadata Remover
Image Color Palette Extractor
Favicon Generator
Merge Images
Image to PNG
WebP to JPG
Image Metadata Viewer
Image Resizer
Image Cropper
Image Rotate & Flip
Image Watermark
ICO Converter
GIF Maker
GIF Splitter
Duplicate File Finder
File Hash Generator
Checksum Validator
PGP Key Generator
CSR Generator
SSL CSR Decoder
Audio & Video
18 tools available
Design & CSS Tools
21 tools available
Text Shadow Generator
Flexbox Generator
Grid Generator
Border Radius Generator
Clip Path Generator
Random Color Generator
Palette Generator
Glitch Text Generator
Neon Text Generator
3D Text Generator
Color Blindness Simulator
Contrast Checker
Hex Opacity Calculator
SVG Optimizer
Open Graph Generator
Twitter Card Generator
Schema Markup Generator
FAQ Schema Generator
Breadcrumb Schema Generator
CMYK to RGB
RGB to CMYK
Web & SEO
33 tools available
CSS Gradient Generator
Box Shadow Generator
Meta Tag Generator
Open Graph Preview
Robots.txt Generator
Color Picker
QR Code Scanner
Barcode Generator
Barcode Scanner
URL Shortener
UTM Builder
Sitemap Generator
Robots.txt Tester
HTTP Status Checker
SSL Checker
Domain WHOIS Lookup
DNS Lookup
IP Lookup
Port Scanner
Ping Tool
Traceroute Tool
Server Header Checker
Website Speed Test
Mobile Friendly Test
Broken Link Checker
MX Record Checker
SPF Record Generator
DKIM Record Generator
DMARC Generator
Sitemap Validator
RSS Feed Generator
RSS Feed Validator
Podcast RSS Generator
Generators & Utilities
69 tools available
Password Generator
Invoice Generator
Screen Resolution
Blockchain Hash Generator
Bitcoin Address Validator
Ethereum Address Validator
Credit Card Validator
IBAN Validator
VIN Decoder
ISBN Validator
MAC Address Lookup
QR Payment Generator
Invoice Number Generator
Serial Number Generator
Lottery Number Generator
Random Team Generator
Name Picker Wheel
Decision Maker Tool
Truth or Dare Generator
Random Question Generator
Icebreaker Question Generator
Story Prompt Generator
Character Name Generator
Fantasy Name Generator
Startup Idea Generator
App Name Generator
Tagline Generator
Cold Email Generator
Press Release Generator
Newsletter Subject Line Generator
Headline Analyzer
Content Calendar Generator
SWOT Analysis Generator
Risk Assessment Generator
KPI Dashboard Generator
OKR Planner
Attendance Sheet Generator
Inventory Sheet Generator
Project Cost Estimator
Timesheet Generator
Kanban Board
Random Date Generator
Random Time Generator
Random Address Generator
Barcode Inventory Generator
Break Timer
Meeting Timer
Study Timer
Sunrise Sunset Calculator
Moon Phase Calculator
Prayer Time Calculator
Date Difference Calculator
Business Days Calculator
Leap Year Checker
Calendar Generator
Time Zone Converter
World Clock
Countdown Timer
Stopwatch
Alarm Clock
Pomodoro Timer
Random Number Generator
Random String Generator
Random Picker
Dice Roller
Coin Flip
Password Strength Checker
Roman Numeral Generator
Roman Numeral Parser
Data Converters & QR
16 tools available
Dev & Config Tools
20 tools available
API Response Formatter
Curl Command Generator
HTTP Request Builder
Nginx Config Generator
Apache Config Generator
Dockerfile Generator
Kubernetes YAML Generator
ENV File Generator
.gitignore Generator
License Generator
README Generator
Changelog Generator
Markdown Table Generator
CSP Header Generator
Graph Plotter
Pie Chart Generator
Bar Chart Generator
Line Chart Generator
Histogram Generator
Scatter Plot Generator
Legal & Document Templates
13 tools available
Social Media Tools
11 tools available
Lifestyle & Productivity
10 tools available
Text FX & Encoding
10 tools available
Visual & Image Tools
8 tools available
Why Choose Uanexis Tools?
Uanexis provides 491+ free online tools designed for developers, designers, students, marketers, and anyone who needs fast, reliable results. Every tool runs in your browser for maximum privacy and speed. No installation, no registration, no data collection — ever.
Client-Side Processing
Most tools process data entirely in your browser. Your files never leave your device.
Lightning Fast
Static site generation and edge delivery ensure every tool loads in under 2 seconds.
Always Updated
New tools added weekly. Existing tools improved continuously based on user feedback.