JSON Formatter
Beautify, minify, and validate JSON
Base64 Encode/Decode
Convert text to/from Base64
QR Code Generator
Generate QR codes from text or URLs
Color Picker
HEX/RGB/HSL color conversion
Markdown Editor
Live preview Markdown editor
Timestamp Converter
Unix timestamp and date conversion
UUID Generator
Generate random UUID/GUID, batch mode
URL Encoder/Decoder
URL percent encoding and decoding
Password Generator
Generate secure random passwords
Regex Tester
Real-time regex matching with templates
Text Diff
Compare two texts line by line
Lorem Ipsum Generator
Generate placeholder text
Hash Generator
MD5/SHA-1/SHA-256/SHA-512
Case Converter
Upper/lower, camelCase, snake_case
Number Base Converter
Binary/octal/decimal/hex conversion
HTML Entities
Encode/decode HTML special characters
Text Unique
Remove duplicates, sort, count
IP Lookup
Check your IP and geo location
ASCII Table
Complete ASCII character reference
Subnet Calculator
IP subnet mask calculation
CSS Gradient Generator
Visual CSS gradient code editor
Byte Converter
KB/MB/GB/TB conversion
Text Encrypt/Decrypt
ROT13/Caesar/Base64/Morse
Random Number
Custom range and count
Placeholder Image
Custom size and color SVG placeholders
JSON Path
Test JSONPath expressions online
Morse Code
Text to Morse code conversion
Screen Resolution
View current resolution and device info
Weekday Calculator
Find weekday for any date
Char Frequency
Count character occurrences
Color Converter
RGB/HSL/HEX/CMYK conversion
Color Blind Test
Online color vision test
Box Shadow Generator
Visual CSS box-shadow code generator
CSS Formatter
Beautify/minify CSS code
CSS Unit Converter
px/rem/em/pt/vw conversion
Speed Test
Download/upload speed test
Invisible Characters
Detect zero-width/control characters
JSON Diff
Compare JSON differences with highlighting
XML Formatter
Beautify/minify XML to JSON
SQL Formatter
SQL beautify/minify with highlighting
Unicode Search
Search characters and code points
Binary Converter
Text to binary and multi-base conversion
Binary Calculator
Binary operations and bitwise math
IP Converter
IP/integer/CIDR conversion
JWT Decoder
Decode and inspect JWT tokens
CSV to Markdown
Convert CSV to Markdown table format
Screen Color Picker
Pick colors from screen or images
Color Contrast Checker
WCAG accessibility contrast check
HTTP Status Codes
HTTP status code reference and search
HTML to Markdown
Convert HTML to Markdown format
Barcode Generator
Code128/EAN/UPC barcode generation
Firework Generator
Custom firework HTML code generator
HTML Preview
Live edit and preview HTML/CSS/JS
Translator
Multi-language text translation
Distance Calculator
Calculate distance from coordinates
Storage Converter
KB/MB/GB/TB/PB conversion
Credit Card Validator
Luhn algorithm card validation
IP Calculator
Subnet calculation and CIDR conversion
Regex Generator
Common regex patterns reference
JSON Editor
Visual JSON editor with tree view
SVG Optimizer
Remove comments and compress SVG
JS Minifier
JavaScript code minification
Meta Tag Generator
SEO Meta and Open Graph tags
Screen Ruler
Online pixel distance measurement
SVG Editor
Online SVG code editor and preview
Wireframe Generator
Quick web wireframe prototyping
AES Encrypt/Decrypt
AES-256 symmetric encryption tool
SEO Checker
SEO score and optimization tips
HTML Minify
Remove whitespace and compress HTML
CSS Minify
CSS compression and formatting
JSON Minify
JSON compress/format/validate
Scientific Calculator
Math operations with history
JSON to CSV
Convert JSON arrays to tables
QR Code Decoder
Upload and decode QR code images
JSON to YAML
Convert between JSON and YAML
JSON Validator
Validate JSON syntax with error info
JSON to Table
Convert JSON arrays to tables
Cron Generator
Visual Cron expression builder
Word Counter
Count words, characters, paragraphs
Text Counter Enhanced
Word count, reading time, stats
Text Repeater
Repeat text with custom separator
Text Replace
Batch find and replace with regex
Random String
Generate random codes and tokens
Text to Speech
Online text-to-speech, multilingual
Text to Image
Generate beautiful share images
CJK Word Separator
Split CJK text by character/word
Word Frequency
Analyze and export word frequencies
Text Wrap
Text formatting and auto-wrapping
Text Stats
Word count, reading time statistics
Punctuation Counter
Count and convert punctuation marks
String Length
Character and byte count
Text Clock
Display time as elegant text
ASCII Art
Convert text to ASCII art
Emoji Picker
1000+ emojis, click to copy
Image Compressor
Compress images locally, no upload
Image Converter
PNG/JPG/WebP format conversion
Image Watermark
Add text watermark to images
Favicon Generator
Multi-size favicon generation
Image to Base64
Encode images to Base64 / decode
Drawing Board
Draw with brush, shapes, and text
Color Palette
Complementary and analogous colors
Random Color
Generate random colors and palettes
ID Photo Maker
Standard ID photo with background
Image Cropper
Free crop and preset ratio cropping
Color Palette Generator
Auto-generate harmonious color schemes
Online Calculator
Basic arithmetic with keyboard support
BMI Calculator
Body mass index health assessment
Mortgage Calculator
Fixed/rate mortgage payment calculator
Age Calculator
Calculate exact age and birthday countdown
Tax Calculator
Income tax and take-home pay
Percentage Calculator
Various percentage calculations
Discount Calculator
Discount and multi-item comparison
Compound Interest Calculator
Investment returns and growth curves
Date Diff Calculator
Days between, workdays, countdown
Fuel Calculator
Fuel consumption and cost per 100km
Area Calculator
Sq meters, acres, hectares conversion
Loan Calculator
Equal payment / equal principal
Profit Calculator
Profit margin and markup rate
GPA Calculator
4.0/5.0 grading scale support
Standard Deviation
Variance, standard deviation, median
Electricity Calculator
Tiered electricity billing
Housing Fund Calculator
Housing fund monthly payment
Social Insurance Calculator
Social insurance contribution details
Deposit Calculator
Savings and fixed deposit interest
Retirement Calculator
Pension and retirement planning
Math Solver
Equations, Pythagorean, trigonometry
Triangle Calculator
Area, perimeter, angles calculation
Number Sort
Sort, deduplicate, and count numbers
Counter
Click counter with save history
Unit Converter
Length, weight, volume conversion
Temperature Converter
Celsius/Fahrenheit/Kelvin conversion
World Clock
20+ city real-time timezone display
Blood Type Calculator
Predict child blood type from parents
Zodiac Calculator
Find zodiac sign from birthday
Sleep Calculator
Sleep cycles and optimal wake time
Workday Calculator
Calculate workdays excluding weekends
Countdown Timer
Custom countdown with fullscreen
Days Between
Date difference and elapsed time
Date Calculator
Add/subtract days from dates
Countdown Day
Countdown to important dates
Food Calorie Lookup
Calorie search and daily intake
Ideal Weight Calculator
Multiple formula-based weight calculation
Typing Speed Test
WPM typing speed test
Pomodoro Timer
Pomodoro focus timer
Stopwatch
Millisecond precision with lap timer
Exchange Rate
Multi-currency conversion
Stock Return
Portfolio return and annualized yield
Random List
Random sort, pick, and group
Weekday Calculator
Find weekday for any date
Year Calculator
Year difference and day count