All Mini Tools
Discover and use a variety of practical online tools to boost your productivity.
SBTI Personality Test
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedA fun personality test based on a 15-dimension model to discover your unique personality type
SBTI Gallery
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedExplore 25 unique SBTI personality types and their characteristics
JSON Diff
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedOnline JSON formatting and diff comparison with syntax highlighting
VMess to YAML
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert vmess links to Clash-compatible YAML configuration
URL Encode/Decode
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedOnline URL encoding and decoding tool supporting multi-language characters
Base Conversion
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert between binary, octal, decimal, and hexadecimal
Timestamp Converter
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert Unix timestamps to datetime and vice versa
JSON Formatter
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedBeautify and syntax-highlight compressed or messy JSON strings
JSON Validator
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedStrictly validate JSON and pinpoint errors
MD5 Encrypt
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedCalculate 16-bit or 32-bit MD5 hash values online
Unicode Converter
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert between characters and Unicode (\uXXXX) encoding
Knowledge Base
Online This tool requires internet connection, data will be processed through the serverBuild a private AI knowledge base with semantic search support
AI Writer
Online This tool requires internet connection, data will be processed through the serverProfessional AI article writing tool based on personal knowledge RAG
AI Humanizer
Online This tool requires internet connection, data will be processed through the serverRemove AI fingerprints from ChatGPT/Claude-generated text
Text Diff
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedCompare two text blocks and highlight differences
Word Counter
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedReal-time counting of words, characters, punctuation and paragraphs
Simplified/Traditional
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert between Simplified and Traditional Chinese
Word to Markdown
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedBatch convert .docx files to Markdown with auto image extraction
QR Code Generator
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedFree online QR code generator with custom size and margin, no watermark
Image Base64
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert images to Base64 or decode Base64 back to images
图片切割
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy secured上传大图，添加切割线，一键分割下载所有小图
Temperature Converter
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert between Celsius, Fahrenheit, Kelvin and more
Number to Chinese
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedConvert numbers to Chinese uppercase, for financial writing
Date Calculator
Local This tool runs locally in your browser, no internet required, data is not uploaded to the server, privacy securedCalculate days between dates or find a date by offset