📖 Help Guide
Quickly master various useful tools to boost your productivity
🚀 Quick Navigation
🎯 Getting Started
Browse Tools
Browse available tools on the homepage or tools page. Each tool has detailed feature descriptions and usage guides.
Select Tool
Click on the tool you need to enter the tool page. Most tools support drag-and-drop upload and click to select files.
Upload Files
Drag your files to the upload area or click the select files button. Multiple file formats are supported.
Process and Download
Wait for processing to complete, then download the result file. All processing is done locally to protect your privacy.
🛠️ Tools Guide
📄 Document Tools
Word to PDF
Convert Word documents to PDF format
• Supported formats: .doc, .docx
• File size: Max 10MB
• Processing time: Usually 1-3 minutes
File Compressor
Compress various file formats
• Supported formats: ZIP, RAR, 7Z, etc.
• File size: Max 50MB
• Compression ratio: Up to 70%
🖼️ Image Tools
Image Compressor
Compress image size while maintaining quality
• Supported formats: JPG, PNG, GIF, WebP
• File size: Max 10MB
• Adjustable quality: 10%-100%
QR Code Generator
Generate various types of QR codes
• Supported formats: Text, URL, Wi-Fi, vCard, etc.
• Custom options: Size, color, error correction
• Real-time preview: Yes
🌐 Website Tools
Sitemap Generator
Generate website sitemap files
• Scan depth: 1-5 levels
• Max pages: 100-5000 pages
• Output formats: XML, TXT, CSV
SEO Checker
Check website SEO optimization status
• Check items: Meta tags, title, description
• Real-time analysis: Yes
• SEO score: Auto calculated
URL Shortener
Shorten long URLs with custom codes and statistics
• Features: Short URL generation, click statistics
• Custom alias: Supported
• Expiration setting: Optional
🛠️ Utility Tools
Currency Converter
Real-time currency conversion with support for multiple currencies and historical rates
• Supported currencies: Multiple common currencies
• Real-time rates: Yes
• Default currency: Taiwan Dollar (TWD)
BMI & Body Fat Calculator
Free BMI and body fat percentage calculator to understand your health status
• Calculation methods: BMI, body fat estimation
• Input fields: Height, weight, age, gender
• Result display: Detailed analysis and suggestions
Pomodoro Timer/Countdown
Free Pomodoro Technique timer and countdown tool to improve work efficiency and focus
• Timer modes: Pomodoro, custom countdown
• Notifications: Sound, browser notifications
• Statistics: Work time tracking
Invoice Lottery/Random Numbers
Taiwan unified invoice lottery checker, Lotto 649 and Power Lottery random number generator
• Lottery types: Unified invoice, Lotto 649, Power Lottery
• Auto matching: Yes
• Random generation: Supported
Emoji Picker/Search
Free Emoji picker and search tool, organized by categories, one-click copy
• Search method: Keyword search, category browse
• Copy function: One-click copy
• Emoji count: 900+
Draw Tool
Random drawing to determine order
• Features: Drawing, random selection
• Custom options: List import, weight setting
• Result display: Real-time display
Random Text Generator
Generate random text for testing
• Supported types: Letters, numbers, symbols
• Length setting: 1-100 characters
• Batch generation: Yes
Lottery Tool
Tool for organizing lottery events
• Features: List import, weight setting
• Prize setting: Multiple prizes, multiple rounds
• Result export: Excel, PDF
❓ Frequently Asked Questions
Select the tool you need and follow the instructions on the page. Most tools support drag-and-drop upload, making them very simple to use.
We support most common file formats including Word, PDF, images, compressed files, etc. Each tool page has detailed format support information.
The QR Code generator supports various formats including plain text, URLs, Wi-Fi settings, phone numbers, SMS, email, vCard, mobile payments, calendar events, etc. You can customize size, color and error correction level.
The word counter provides three modes: Chinese mode (counts Chinese characters), English mode (counts English words), and mixed mode (counts both Chinese and English). You can choose the appropriate counting mode as needed.
The free version has file size limits, usually 10MB. The premium version can handle larger files. Please check the premium features page for specific limits.
Completely safe! Your files are not stored on our servers. All processing is done locally and files are automatically deleted after processing.
The free version supports single file processing. Batch processing requires upgrading to the premium version, which can process multiple files at once, greatly improving work efficiency.
The currency converter supports various common currencies including Taiwan Dollar (TWD), US Dollar (USD), Japanese Yen (JPY), Euro (EUR), Chinese Yuan (CNY), etc. Exchange rates are updated in real-time to ensure accuracy.
The BMI calculator estimates body fat percentage based on your height, weight, age, and gender using various formulas (such as the Deurenberg formula). This is an estimate. For precise measurements, professional instruments are recommended.
The Pomodoro timer provides standard Pomodoro technique (25 minutes work + 5 minutes break) and custom countdown functionality. It supports sound alerts, browser notifications, and statistics to help improve your work efficiency and focus.
Enter your unified invoice number and period, and the system will automatically match against the winning numbers for that period. It also provides random number generation for Lotto 649 and Power Lottery for quick lucky number generation.
The Emoji picker supports keyword search. You can enter Chinese keywords (such as "happy", "heart", "cat", etc.) to quickly find related emojis. You can also browse by category and copy with one click.
💡 Usage Tips
🚀 Boost Efficiency
- • Use drag-and-drop upload, faster than clicking to select
- • Adjust tool settings for optimal results
- • Upgrade to premium for batch processing
- • Bookmark frequently used tool pages
🔒 Security Tips
- • Avoid uploading sensitive or confidential files
- • Download results promptly after processing
- • Clear browser cache regularly
- • Use secure network environments
📱 Mobile Devices
- • Supports touch operations and gestures
- • Responsive design for all screen sizes
- • Some features available offline
- • Supports direct camera capture upload
🛠️ Tool Usage
- • Currency Converter: Defaults to Taiwan Dollar, supports real-time queries for multiple currencies
- • BMI Calculator: Enter height and weight to quickly calculate BMI and body fat percentage
- • Pomodoro Timer: Perfect for work and study, customizable time and reminder methods
- • Invoice Lottery: Supports unified invoice, Lotto 649, and Power Lottery checking
- • Emoji Picker: Browse by category or use keyword search
- • Use browser notifications for better reminder experience