800Tools
Pro
JSON Tools
JSON Formatter & Validator
JSON Diff
Code Formatter & Minifier
SQL Formatter & Minifier
JSON & XML Editor
CSV/Excel & JSON Converter
Random JSON Generator
Cookie Parser & Formatter
HTTP Header Parser
URL Query Formatter
Postman Collection Converter
SQL Schema & Data Converter
JSON to Go Struct
Matrix & JSON Array Converter
Encoding & Cryptography
Crypto Tool (SM Support)
Base64 Converter
URL Encoder/Decoder
Hash Generator & File Verifier
Large File Hash Verifier
Unicode Converter
JWT Token Studio
JavaScript Obfuscator
Gzip Compressor
Base32 Encoder/Decoder
Base58/62/100 Converter
UTF-8 Encoder
UTF-8 Decoder
CRC-32/16 Checker
Cisco Type 7 Encrypter
Cisco Type 7 Decrypter
DB Password Hash Generator
Bcrypt Hash Generator
Bcrypt Hash Verifier
Escape Encoder
Escape Decoder
URL Hex Obfuscator
Thunder Link Converter
Torrent to Magnet Link
RC4 Encrypter/Decrypter
Rabbit Encrypter/Decrypter
RIPEMD-160 Hash Generator
SHA Hash Generator
MD5 Hash Generator
RSA Key Generator & Cipher
Self-Signed Certificate Generator
MD4 Hash Generator
MD2 Hash Generator
Keccak/SHA3 Generator
Native/ASCII Converter
String Concatenator
Email Address Encoder
HMAC Generator
VMess/SSR subscription Parser
Scrypt Generator & Verifier
PHP Serializer Converter
RSA Key Pair Generator
TOTP Code Generator
PDF Signature Checker
Password Strength Analyzer
Bcrypt
BIP39 Generator
Encryption
Hash Text
HMAC Generator
Token Generator
Text & Utilities
Frontend Dev Shortcuts
Web Color Palettes
Online Font Viewer
Developer References & Cheat Sheets
Markdown to HTML Converter
HTML to Markdown Converter
Text Diff Tool
Text Word Counter
Chinese to Pinyin Converter
HTML Entity Encoder/Decoder
Text Line Deduplicator
Text Line Sorter
Halfwidth/Fullwidth Converter
Text Shuffler
Text Empty Line Remover
Text Newline Remover
Text Line Joiner
ID Card Extractor
ID Card Verifier & Generator
Text Filter & Selector
Text Line Numberer
Text Column Extractor
Text Length Filter
Text Substring Counter
Numeric List Calculator
Text Spacer
HTML Colored Text Generator
Vertical Text Layout
Random Chinese Generator
ASCII Art Generator
Meta Tag Generator
HTML Tag Stripper & Text Cleaner
Robots.txt Rule Tester
CSV & HTML Table Converter
HTML & UBB Code Converter
Chinese Martian Converter
ASCII Text Drawer
String Obfuscator
Text Statistics
Images & Media
Universal Image Editor
Universal Image Converter
Creative Avatar Generator
GIF Studio Pro
PDF & Image Converter
EXIF Privacy Remover & Metadata Extractor
3D Projection Tool
Interactive Chart Studio
TIF Image Splitter
QR Code & Barcode Studio
SVG to React, Vue & Svelte + SVGO
FontAwesome Icon Search
Image Compressor
CSS Border Radius Generator
ICO Converter & Generator
CSS3 Cubic-Bezier Tuner
CSS3 Animation Generator
SVG Code Editor & Previewer
CSS Flexbox Layout playground
Neumorphism & Glassmorphism designer
Lottie Animation Previewer
Mermaid Flowchart Editor & Tuner
PDF Toolbox
Audio/Video Trimmer Studio
PDF Compressor & Editor
Image to SVG Converter
Emoji Picker
Camera Recorder
QR Code Generator
WiFi QR Code Generator
SVG Placeholder Generator
Math & Networking
CMYK Color Converter
RGB & HEX Color Converter
HSV Color Converter
Any Base Converter
IP Subnet Calculator
Date Difference Calculator
Math Section & Fuel Calculator
Opposite Color & Complementary Calculator
UI Gradient CSS Tool
MAC Address Generator
My IP & Geolocator
User-Agent Analyzer
Network Topology Board
DNS Query (DoH)
WebCheck Network Diagnoser
Network CLI Command Helper
Domain WHOIS Information Query
Screen PPI Calculator
Morse Code Translator
Random IP Address Generator
Random User-Agent Generator
Binary Bitwise Calculator
Random Number Generator
GCD & LCM Calculator
Angle & Radian Converter
Factorial Calculator
Reverse Subnet Calculator
GPS Coordinate Converter
Universal Unit Converter
Mechanical Vibration Calculator
IP & Integer Converter
CSS Units Converter (PX/EM/REM)
MAC Address Generator
IPv4 Range Expander
IPv6 ULA Generator
IPv4 Address Converter
IPv4 Subnet Calculator
Percentage Calculator
Math Evaluator
MAC Address Lookup
Developer Tools
UUID v4/v7 & Random Generator
Network & Morse Calculator
Unix Timestamp Converter
Regex Tester
Naming Style Converter
Online Markdown Editor
Geek Test Data & Code Studio
Scraper Assistant Pro
Shield Badge Generator
URL Parser & Query Editor
Robots.txt Generator
Web Auto Refresher
HTTP Request Simulator
WebSocket Client Simulator
File to Base64 Encoder
SQL Entity Class Generator
Properties & YAML Converter
YAML/YML Online Editor
TOML Online Editor
Multi-Language Online IDE
Python Turtle Graphics
DolphinDB Script Generator
MongoDB Query Builder
Open Platform API Debugger & Sign Tool
Traceability Code Generator
Redirect Code Generator
HTML String Escaper
cURL Command Converter
Cookie to JS Code
Short URL Hash Simulator
.htaccess to Nginx Rewrite Converter
Baby Name Generator
Blood Type Inheritance Calculator
File Format Detector
Lorem Ipsum Placeholder Generator
Random Port Generator
ULID Generator
URL Slug Formatter
Numeronym Converter
Docker Run to Compose
NATO Phonetic Alphabet
UUID v4 Generator
Text Diff Tool
HTTP Status Code Reference
MIME Type Lookup
Base64 File Converter
Base64 String Converter
Basic Auth Generator
Email Normalizer
Text to Unicode
Safelink Decoder
XML to JSON
JSON to XML
Regex Tester
Regex Memo
Markdown to HTML
Text to Binary
YAML to TOML
JSON to TOML
TOML to YAML
TOML to JSON
JSON to CSV
List Converter
Phone Parser and Formatter
YAML to JSON
JSON to YAML
User-Agent Parser
HTML WYSIWYG Editor
Keycode Info
JSON Minifier
Case Converter
Chmod Calculator
Color Converter
Crontab Generator
Date Time Converter
Device Information
Git Memo
HTML Entities
Integer Base Converter
JSON Viewer
JWT Parser
Meta Tag Generator
Roman Numeral Converter
SQL Prettify
URL Encoder
URL Parser
XML Formatter
YAML Viewer
AI Tools
AI Token Counter
Prompt Formatter & Optimizer
AI Art Prompt Builder
Viral Title & Hook Generator
Regex Natural Language Explainer
AI Knowledge Text Chunker
AI Prompt Variable Extractor
AI Chat JSONL Builder
Short Video Script Builder
Social Post Formatter
Development & Security
Password Strength Checker
Random Password Generator
Sensitive Data Masker
JSON Path Query Tool
SQL Beautifier & Minifier
Mini API Tester
CRUD SQL Generator
Life & Calculators
Currency Uppercase Converter
Home Renovation Calculator
Structural Engineering Calculator
Clock & Baby Timer Studio
Health Metrics Calculator
Payment QR Merger & Helpers
Zen White Noise & Wooden Fish
Mindmap & Geometry Lab
Cron & Chinese Calendar Studio
Interactive Timer & Roller
Visual Math Clock & Sketchpad
Car Insurance Calculator
Car Loan Calculator
License Plate Query
Mortgage Calculator Pro
Personal Finance & Interest Rate Calculator
Loan Query & Inversion Calculator
ETA Travel Time Calculator
IBAN Validator
Benchmark Builder
Chronometer
Temperature Converter
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简体中文
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Random Chinese Generator
Generate random high-frequency Chinese characters for mock text
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Random Chinese Generator
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Output
Gen Hanzi
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