All Tools
JSON Formatter
Format and validate JSON data with syntax highlighting
Base64 Encoder/Decoder
Encode and decode text using Base64 with URL-safe variant support
Word Counter
Count characters, words, and lines in your text
URL Encoder/Decoder
Encode and decode URLs with encodeURIComponent and encodeURI modes
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates with timezone support
JSON Minify & Escape
Minify, escape, and unescape JSON data
Text
All Tools โWord Counter
Count characters, words, and lines in your text
Text Deduplicator
Remove duplicate lines with case sensitive/insensitive options
Text Sorter
Sort lines alphabetically, numerically, by length, or randomly
Text Trimmer
Remove empty lines, trim whitespace, merge blank lines, or join to one line
Markdown Editor
Split-view Markdown editor with live preview
HTML Tag Stripper
Strip HTML tags and keep text structure
Auto Typeset
Add spaces between CJK and Latin characters automatically
Text Filter
Keep or remove Chinese, English, digits and punctuation selectively
Text Reverse
Text and line reverse
Find & Replace
Find and replace with regex support
Line Numbers
Add/remove line numbers
String Counter
Count string occurrences
ASCII Art
ASCII art text generator
Number Sum
Sum numbers from multi-line input
Text Shuffle
Randomly shuffle lines
Sequence Generator
Sequence number generator
Vertical Text
Vertical text layout
Text Spacer
Insert characters between each character
Random Chinese
Random Chinese character generator
Text Column Extract
Column-based text extraction
Text Length Filter
Filter lines by length
Hanzi Stroke Order
Chinese character stroke order
Hanzi Stroke Count
Chinese character stroke count
Color Text
Colorful/rainbow text HTML generator
Pinyin Sort
Sort text by Chinese pinyin initial
JSON
All Tools โJSON Formatter
Format and validate JSON data with syntax highlighting
JSON Minify & Escape
Minify, escape, and unescape JSON data
JSON Sort
Sort JSON object keys alphabetically in ascending or descending order
JSON Converter
Convert between JSON, YAML, XML, TOML, and CSV formats
JSON to Class
Generate TypeScript, Java, Go, Python, and C# classes from JSON
JWT Decoder
Decode JWT tokens to view header, payload, and signature
JSON Schema Generator
Generate JSON Schema (Draft-07) from JSON data
JSON to SQL
Convert JSON arrays to SQL INSERT statements
CSV to JSON
Convert CSV to JSON with custom delimiter
JSON Tree Viewer
Collapsible tree view of JSON data
JSON Random Generator
Generate random JSON data
JSON Cleaner
Remove comments and trailing commas
JSON โ Query String
Convert between JSON and query strings
JSON Syntax Highlight
JSON syntax highlighting
JSON Editor
Online JSON editor with validation
XML Editor
XML online editor with validation
YAML Editor
YAML online editor with validation
TOML Editor
TOML online editor with validation
Encoding
All Tools โBase64 Encoder/Decoder
Encode and decode text using Base64 with URL-safe variant support
URL Encoder/Decoder
Encode and decode URLs with encodeURIComponent and encodeURI modes
UUID/GUID Generator
Generate UUID v4 with batch and format options
Hash Calculator
Calculate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes
Password Generator
Generate secure random passwords with customizable options
Unicode Converter
Convert between Unicode escape sequences and text
AES Encrypt/Decrypt
Encrypt and decrypt text using AES-CBC with Web Crypto API
HTML Escape/Unescape
Encode and decode HTML entities like < > &
File to Base64
Convert files to Base64 and Data URI, or decode Base64 to file
Image to Base64
Convert images to Base64 and Data URI
JS Escape/Unescape
JavaScript escape and unescape
Base32/58/62 Encoder
Base32, Base58, Base62 encode/decode
Bcrypt Hash Tool
Bcrypt hash generation and verification
Morse Code
Text โ Morse code conversion
Gzip Compress
Gzip compress and decompress
htpasswd Generator
Generate htpasswd entries
File Hash Calculator
Calculate file hashes via Web Crypto
Native/ASCII Converter
Native โ \uXXXX ASCII conversion
RSA Key Tool
RSA key pair generation and encrypt/decrypt
URL Hex Encoding
URL hex encoding and decoding
UTF-8 Byte Viewer
View UTF-8 byte sequences
Email Encoder
Anti-scraping email encoding
Certificate Generator
Self-signed certificate generator (coming soon)
JS Obfuscator
Basic JS variable name obfuscation
Scrypt Hash
Scrypt hash tool (coming soon)
JS Eval Encrypt
JS eval encrypt/decrypt
Thunder URL Decode
Thunder/FlashGet URL decode
Torrent โ Magnet
Torrent to magnet link (coming soon)
MD2/MD4 Hash
MD2 and MD4 hash calculator
Shake/Keccak Hash
Shake and Keccak hash calculator
DB Password Hash
PostgreSQL/MySQL/MariaDB password hash
Color
All Tools โColor Converter
Convert between HEX, RGB, HSL, HSV, and CMYK color formats
Gradient Collection
100+ preset gradient cards with CSS copy
Color Palette Generator
Generate color harmonies: complementary, analogous, triadic and more
Traditional Colors
Chinese and Japanese traditional color palettes with 100+ colors each
Color Schemes
50+ preset web design color scheme cards
UI Gradient CSS
Two-color gradient transition generator
Crayon Colors
48 crayon and colored pencil colors
Inverse Color
Complementary/inverse color calculator
Network
All Tools โcURL Converter
Convert curl commands to JavaScript and Python code
URL Parser
Parse URL into protocol, host, port, path, query and hash
Browser Info
Detect browser, OS, screen, viewport and API support
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph and Twitter Cards
.htaccess to Nginx
Convert Apache .htaccess rules to Nginx configuration
Subnet Calculator
CIDR to subnet mask conversion table
UserAgent Generator
Random UserAgent generator and parser
IP Tools
IPv4 random generator and subnet calculator
MAC Address Generator
Random MAC address generator
Robots.txt Generator
Visual robots.txt generator
Regex Code Generator
Regex to multi-language code snippets
UserAgent List
Common UserAgent strings reference
Robots.txt Checker
Robots.txt rule tester
curl All Languages
curl to all languages code generator
Math
All Tools โRandom Number Generator
Generate random integers or floats with range and batch options
Radix Calculator
Binary/octal/hex arithmetic operations
GCD & LCM
GCD and LCM calculator
Prime Generator
Prime number generator
Fibonacci
Fibonacci sequence generator
Statistics Calculator
Variance/std dev/mean/median calculator
Pi Lookup
Pi digit lookup and search
Linear Regression
Least squares linear regression
Vibration Calculator
Vibration parameter calculator
Monte Carlo Pi
Monte Carlo pi estimation visualization
Euler Number e
Euler number e digits
Bandwidth Calculator
Bandwidth/data/time calculator
Binary Calculator
Binary arithmetic calculator
Decimal Random
Random decimal number generator
Format Converter
All Tools โUnix Timestamp Converter
Convert between Unix timestamps and human-readable dates with timezone support
Radix Converter
Convert between binary, octal, decimal, and hexadecimal
Case Converter
Convert text between uppercase, lowercase, title case, and more
QR Code Generator
Generate QR codes from text with customizable size and colors
Properties โ YAML
Convert between .properties and YAML formats with nested key support
Unit Converter
Convert length, temperature, weight, volume, area, and speed units
File Size Converter
Convert between B, KB, MB, GB, TB, PB in binary and decimal
PHP Serialize/Unserialize
Convert between PHP serialized format and JSON
HTML to Markdown
Convert HTML to Markdown format
Chinese to Pinyin
Convert Chinese characters to pinyin with tone marks
Simplified โ Traditional
Convert between Simplified and Traditional Chinese
Number to Chinese
Convert numbers to Chinese characters and uppercase amount
Time Format Converter
Convert between ISO 8601, RFC 2822, Unix timestamp and timezones
Image to PDF
Convert images to PDF (coming soon - requires jspdf)
PDF to Image
Convert PDF pages to images (coming soon - requires pdf.js)
Image to SVG
Trace bitmap to SVG (coming soon - requires potrace)
Hex โ Text
Hex string โ text conversion
Fullwidth โ Halfwidth
Fullwidth โ halfwidth conversion
Geo Coordinate Converter
WGS-84/GCJ-02/BD-09 conversion
DMS Converter
Decimal degrees โ DMS conversion
Short URL Encoder
Short URL Base62 encoding simulation
HTML โ BBCode
HTML โ BBCode/UBB conversion
Doc to PDF
HTML/Markdown to PDF (coming soon)
SI Unit Converter
SI unit conversion (force, energy, etc.)
IP โ Integer
IPv4 โ integer conversion
Matrix โ JSON
Matrix โ JSON 2D array conversion
Cookie โ JS
Cookie string to JS code
Rich Text โ Markdown
Rich text HTML to Markdown
Video โ MP3
Video to audio extraction (coming soon)
Video Trim
Video trimming (coming soon)
Video Crop
Video crop (coming soon)
PDF Compress
PDF compression (coming soon)
PDF Editor
PDF editor (coming soon)
PHP Session Parser
PHP session data parser
Currency Uppercase
Number to multi-currency uppercase
HTML โ JS String
HTML โ JS string conversion
PHP Session Data
PHP session data conversion
SQL to Java
SQL CREATE TABLE to Java class
MySQL to Java
MySQL DDL to Java entity
SQL to C#
SQL to C# class
JSON โ Postman
JSON to Postman collection converter
SQL to Form
SQL to HTML form
SQL to JSON
SQL INSERT to JSON
URL to Postman
URL to Postman request
SQL to Yii2
SQL to Yii2 ActiveRecord model
Code Formatter
All Tools โNaming Converter
Convert between camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE
JS/HTML Formatter
Beautify and minify JavaScript and HTML code
CSS Formatter
Beautify and minify CSS code
SQL Formatter
Format SQL with keyword uppercasing and indentation
XML Formatter
Format and minify XML documents
Python Formatter
Basic Python code indent formatting
Java Formatter
Basic Java code indent formatting
PHP Formatter
Basic PHP code indent formatting
Cookie Formatter
Cookie string to key-value table
HTTP Header Formatter
HTTP header to key-value table
URL Params Editor
URL query params to editable table
C/C# Formatter
Basic C/C# code formatting
Ruby Formatter
Basic Ruby/Perl code formatting
SQL Quotes Tool
Add/remove double quotes in SQL
SQL Field View
SQL INSERT/UPDATE field table view
Image Tools
All Tools โImage Crop
Crop images with custom dimensions using Canvas API
Image Compress
Compress images with adjustable quality using Canvas API
Image Format Converter
Convert images between PNG, JPEG, WebP and BMP formats
Image Resize
Resize images with lock aspect ratio option
GIF Maker
Create GIF from multiple images (coming soon - requires gif.js)
Grid Cutter
3x3/4x4 grid image cutter
Image Watermark
Text watermark on images via Canvas
Image Rotate
Image rotate and flip via Canvas
GIF Frame Extractor
GIF frame extraction
Placeholder Image
Placeholder image generator
ICO Generator
ICO icon generator from image
EXIF Viewer
Photo EXIF metadata viewer
Drawing Board
Canvas drawing and painting board
Grayscale Converter
Image grayscale and B/W conversion
Image Round Corners
Image corner rounding
Signature Extract
Signature extraction from image
TIFF Split
TIFF image split
ID Photo Background
ID photo background change
App Icon Generator
iOS/Android app icon generator
CSS Tools
All Tools โCSS Gradient Generator
Create linear and radial CSS gradients with visual editor
CSS Bezier Curve Editor
Edit cubic-bezier curves with presets and animation preview
CSS Flexbox Editor
Visual Flexbox layout editor with live preview
Glassmorphism Generator
Create glassmorphism effects with blur, opacity and color controls
Neumorphism Generator
Create neumorphism effects with shadow distance, blur and intensity
Border Radius Editor
Edit CSS border-radius with independent corner controls
PX/EM/REM Converter
Convert between px, em, rem, pt and % with custom base font size
CSS Animation
CSS animation template collection
Neon & Glitch Text
Neon and glitch text effect CSS generator
Web Safe Colors
216 web safe colors grid
Color Picker
Advanced color picker with palette management
Image Color Picker
Pick colors from uploaded image
SVG Editor
SVG code editor with live preview
Font Viewer
Font file upload and preview
3D Card Flip
3D card flip effect CSS generator
Liquid Effect
Liquid/blob morphing effect CSS
CSS Sprites
CSS sprite sheet generator
Popup Generator
JavaScript window.open popup generator
RunJS Editor
HTML/CSS/JS live editor with preview
Misc
All Tools โRegex Tester
Test regular expressions with real-time matching and highlighting
Diff Viewer
Side-by-side text comparison with color-coded differences
Cron Generator
Build cron expressions with human-readable descriptions and next run times
Barcode Generator
Generate Code128 barcodes from text
Chart Generator
Create bar, pie and line charts using Canvas
Keycode Viewer
Real-time keypress event display showing key, keyCode, code and which
Shield Badge Generator
Generate GitHub-style shield badges with custom label, message and color
Lunar Calendar
Gregorian โ Lunar calendar conversion
XPath Tester
XPath expression tester
Stopwatch
Stopwatch and countdown timer
CSV to HTML
CSV to HTML table
String Concat
Multi-line text to language string code
Lottie Preview
Lottie JSON animation preview
FontAwesome Search
FontAwesome icon search
Mind Map
Mind map editor
Text to Image
Text to image via Canvas
3D Data Viz
3D data visualization
DB Designer
Database ER diagram designer
Network Topology
Network topology diagram
Grid Paper
Grid and lined paper generator
Maze Generator
Random maze generator
Meeting Timer
Full-screen meeting countdown
Random Picker
Random name picker with animation
Reaction Test
Reaction speed test
Color Blind Test
Color blindness test (Ishihara)
File Type Detect
File magic bytes detector
PPI Calculator
Screen PPI calculator
Device Sizes
Mobile device UI size reference
HTML5 Test
HTML5 feature detection
ID Photo Sizes
ID photo size standards reference
CRX Parser
Chrome extension CRX URL parser
Emoji Picker
Emoji browser search and copy
Special Symbols
Special symbols collection and copy
ZIP Viewer
ZIP file content viewer
HTML/CSS/JS Filter
Extract JS/CSS/text from HTML
Chinese Zodiac
Chinese zodiac lookup
ID Card Check
ID card number validator and info extractor
Blood Type
Blood type inheritance calculator
BMI/BMR Calculator
BMI and BMR calculator
Fuel Calculator
Car fuel consumption calculator
EV Charge Calculator
EV charging cost calculator
Disk Partition
Hard disk integer partition calculator
Shichen Converter
Chinese 12 Shichen time converter
Check Date
Check date uppercase converter
Shortcut Reference
Frontend dev shortcut key reference
CDN Lookup
JS library CDN URL lookup