Toolbox
Collection of high-frequency developer tools.
Dev & Convert
JSON Formatter
HOTQuickly format, minify and validate JSON data with syntax highlighting and error detection.
Image Base64 Encoder
HOTConvert images to Base64 encoding or restore images from Base64, supporting drag-and-drop upload and multiple image formats.
Base Converter
HOTQuickly convert between binary, octal, decimal, and hexadecimal, with real-time conversion and negative number support.
Base64 Encoder/Decoder
HOTQuickly encode and decode Base64 strings, supporting Chinese, English, numbers and special characters.
URL Encoder/Decoder
HOTQuickly encode and decode URLs, supporting Chinese and special characters, perfect for URL parameter handling.
Timestamp Converter
HOTQuickly convert between Unix timestamps and date/time, supporting both seconds and milliseconds.
Color Converter
HOTQuickly convert between different color formats (HEX, RGB, HSL) with color picker and multiple format outputs.
Hash Calculator
HOTCalculate multiple hash values for text, supporting MD5, SHA1, SHA256, SHA512, SHA3, and more algorithms.
HTML Escape Tool
HOTEscape and unescape HTML, safely handle HTML special characters to prevent XSS attacks.
CSV to JSON Converter
HOTConvert CSV format data to JSON format with customizable delimiters and conversion options.
Unit Converter
HOTQuickly convert between different units, supporting length, weight, temperature, area, volume and more unit types.
Case Converter
HOTQuickly convert text case formats, supporting uppercase, lowercase, capitalize, title case, sentence case, and toggle case.
URL Parser
HOTParse URL components, extract protocol, domain, path, parameters and more, with query parameter table display.
Text Tools
Regex Tester
HOTTest and debug regular expressions with real-time match results, supporting multiple flags and preset patterns.
Text Diff Tool
HOTCompare two texts and highlight additions, deletions, and unchanged content with line-level comparison.
Text Statistics Tool
HOTCount words, characters, lines, and analyze word frequency, supporting mixed Chinese and English text.
Text Deduplication Tool
HOTRemove duplicate lines or content from text, supporting multiple deduplication modes and option configurations.
Text Sort Tool
HOTSort text lines with multiple sorting methods including alphabetical, length, numeric, and more.
Text Reverse Tool
HOTReverse text content with multiple modes including character reverse, line order reverse, word reverse, and more.
Text Extract Tool
HOTExtract email addresses, URLs, phone numbers, numbers, IP addresses, hashtags and more from text.
Text Replace Tool
HOTBatch find and replace text content with support for regular expressions and multiple replacement options.
Media & Design
QR Code Generator
HOTQuickly generate QR codes for text, URLs, WiFi info, and more, with customizable size and error correction levels.
Generators
UUID Generator
HOTQuickly generate UUIDs (Universally Unique Identifiers) in UUID v4 format with customizable format and batch generation.
Password Generator
HOTGenerate secure, random passwords with customizable length and character types, including password strength detection.
Random Number Generator
HOTGenerate random numbers within a specified range, supporting integers and floats, with batch generation and statistics.
Utilities
Markdown Preview Tool
HOTPreview Markdown rendering in real-time, supporting common Markdown syntax for easy writing and debugging.