Web Tools Collection

A collection of useful online tools for developers and everyday tasks

Text Tools

🔤

Unicode Encoding

Unicode encoder and decoder online

🌐

UTF-8 Converter

UTF-8 encoder and decoder online

🔄

Encoding Converter

GBK/Big5/Shift_JIS/EUC-KR encoding conversion tool with auto-detect

🔣

BASE64

Online Base64 encoder and decoder

🆔

MD5 Generator

Generate MD5 hashes online

🔗

URL Encoding/Decoding

Encode and decode text for use in URLs

Data Tools

📄

JSON/JSON5 Formatter

Format, beautify, validate, and minify JSON / JSON5 / JSONC data while preserving comments

🔍

URL Parameters Parser

Extract and analyze parameters from URLs

🎒

JSON ↔ TOON Converter

Convert JSON to TOON format to save LLM tokens

Web Tools

🔐

Password Generator

Generate strong random passwords instantly

⏰

Unix Timestamp

Convert between Unix timestamps and human-readable dates

📈

Percentage Change

Calculate percentage increase or decrease

QR Code Tools

📷

QR Code Reader

Decode QR codes from images or camera (local)

🧩

QR Code Generator

Generate a QR code from text (local)

📶

WiFi QR Card

Create printable WiFi QR code cards