Common Issues

This section collects frequently asked questions and answers from users using our platform. If your question is not answered here, please check other documentation or contact our support team.

Platform Usage

Q: How do I switch languages?

A: The platform supports multiple languages. You can switch languages in the following ways:

Find the language selector in the top right corner of the page
Click on the current language identifier
Select your desired language from the dropdown menu

Supported languages include: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, French, German, Spanish, Portuguese, Russian, Turkish, and Indonesian.

Q: Why do some pages display in English?

A: This usually happens because:

The translation content for that page is not yet complete
The language version you selected is still under development
Browser cache issues

Solutions:

Clear browser cache and refresh the page
Check if there's a latest version for that language
Temporarily switch to another language to view content

Q: How do I register and log in to my account?

A: The platform currently supports the following login methods:

Guest Mode: Use most features without registration
Account Login: Click the login button in the top right corner to register and log in
Third-party Login: Support for Google, GitHub, and other third-party account logins

Q: What if I forgot my password?

A: If you forgot your password, you can:

Click "Forgot Password" on the login page
Enter your email address
The system will send a password reset link to your email
Click the link in the email to reset your password

If you also forgot your email, please contact our customer service team.

Tool Usage

Q: How do I use the online HTTP debugging tool?

A: Steps to use the online HTTP debugging tool:

Visit the tool page
Select the request method (GET, POST, PUT, DELETE, etc.)
Enter the target URL
Add request headers (if needed)
Set the request body (if needed)
Click the send button
View the response results

Notes:

Some cross-origin requests may be blocked by the browser
Recommended for use in development environments
Do not use sensitive information on public networks
Supports saving and sharing request configurations

Q: How do I use the JSON formatter tool?

A: JSON formatter tool features include:

Format: Convert compressed JSON to readable format
Compress: Compress formatted JSON to single line
Validate: Check if JSON syntax is correct
Beautify: Customize indentation and spacing

Usage steps:

Paste or enter JSON data
Select operation type (format/compress/validate)
Click the corresponding button
Copy the processed result

Q: How do I configure the password generator?

A: The password generator provides multiple configuration options:

Length setting: Adjustable from 8-128 characters
Character types:
- Uppercase letters (A-Z)
- Lowercase letters (a-z)
- Numbers (0-9)
- Special characters (!@#$%^&*)
Exclude characters: Can exclude easily confused characters
Strength detection: Real-time password strength display

Security recommendations:

Use at least 12 characters
Include all character types
Avoid using personal information
Change passwords regularly

Q: What UUID formats does the generator support?

A: The UUID generator supports the following formats:

UUID v1: Based on time and MAC address
UUID v4: Randomly generated (recommended)
UUID v5: Based on namespace and name
Custom format: Supports custom separators

Use cases:

Database primary keys
API identifiers
File naming
Session IDs

Q: What operations does the Base64 converter support?

A: The Base64 converter supports:

Encoding: Convert text to Base64
Decoding: Convert Base64 to text
File conversion: Support for images, documents, and other files
URL safe: Support for URL-safe Base64 encoding

Common uses:

Inline images in HTML
API data transmission
Binary file encoding
Simple data obfuscation

Q: How do I use the MD5 calculator?

A: MD5 calculator features:

Text MD5: Calculate MD5 hash of text
File MD5: Calculate MD5 hash of files
Batch calculation: Calculate MD5 for multiple texts simultaneously
Verification: Verify if MD5 values are correct

Notes:

MD5 is irreversible and cannot be decrypted
Mainly used for data integrity verification
Not recommended for password storage (low security)

Q: What is the fingerprint recognition tool?

A: The fingerprint recognition tool is used for:

Device fingerprint: Identify device characteristics
Browser fingerprint: Identify browser environment
Advanced fingerprint: Comprehensive identification using multiple technologies
Anti-fingerprint: Detect fingerprint recognition technologies

Application scenarios:

User behavior analysis
Security detection
Anti-fraud systems
Personalized services

Q: What if tools don't load properly?

A: If tools don't load properly, try the following steps:

Check network connection
Clear browser cache
Try different browsers
Check browser console for error messages
Refresh the page
Disable browser extensions
Check if JavaScript is enabled

If the problem persists, please check our service status page or contact technical support.

Q: What if there are errors when using tools?

A: If errors occur during tool usage:

Check error messages: Carefully read error prompts
Check input data: Ensure input format is correct
Try simple data: Verify with simple test data
Check console: Check browser console errors
Report issues: Report through GitHub Issues

Technical Issues

Q: Which browsers are supported?

A: We support the following modern browsers:

Chrome 90+
Firefox 88+
Safari 14+
Edge 90+
Mobile browsers: iOS Safari, Chrome Mobile

We recommend using the latest browser version for the best experience.

Q: Can I use it on mobile devices?

A: Yes, our platform fully supports mobile devices. All features are optimized for mobile, including:

Responsive design
Touch-friendly interface
Mobile-specific interaction methods
Optimized loading speed

Q: Do I need to install any software?

A: No software installation is required. Our platform is a pure web application:

Runs directly in the browser
No download or installation required
Supports offline caching (partial features)
Automatic updates

Q: How do I report bugs or make suggestions?

A: You can provide feedback through the following methods:

GitHub Issues: Create an issue in the project repository
Email feedback: Send emails to our support email
Community discussion: Participate in our community discussions

Please describe the problem as detailed as possible, including:

Browser and version used
Operating system
Specific operation steps
Error messages or screenshots
Expected behavior

Q: How do I view tool usage statistics?

A: The platform currently provides the following statistics:

Usage count: Usage statistics for each tool
Popular tools: Ranking of most popular tools
User feedback: User ratings and comments
Update logs: Tool feature update records

Performance Issues

Q: What if page loading is slow?

A: If page loading is slow, you can try:

Check network connection
Clear browser cache and cookies
Close unnecessary browser tabs
Use wired network connection
Try different browsers
Disable browser extensions
Use CDN nodes

Q: How to handle slow tool response?

A: Possible causes and solutions for slow tool response:

High server load: Try again later
Network latency: Check network connection
Browser performance: Close other tabs
Large request data: Reduce the amount of request data
Insufficient local computing resources: Close other applications

Q: What if large file processing fails?

A: Recommendations when processing large files:

File size limit: Single file should not exceed 50MB
Batch processing: Split large files before processing
Compress files: Compress before uploading
Use professional tools: For very large files, recommend using professional software

Content Issues

Q: How do I contribute content or translations?

A: We welcome community contributions! You can participate in the following ways:

Content contribution: Submit Pull Requests to our content repository
Translation contribution: Help translate documentation and interfaces
Tool development: Develop new tools and features
Documentation improvement: Improve existing documentation
Bug fixes: Fix code issues

Please check our contribution guidelines for more details.

Q: What if there are errors in the content?

A: If you find errors in the content, please:

Create an issue on GitHub
Submit a Pull Request to fix directly
Send us an email
Discuss in the community

We will process your feedback as soon as possible.

Q: How do I request to add new tools?

A: If you want to add new tools, you can:

Submit suggestions: Submit suggestions through GitHub Issues
Detailed description: Explain the tool's functionality and purpose
Provide references: Provide references to similar tools
Participate in development: If you're a developer, you can contribute code directly

We will evaluate the feasibility and value of suggestions.

Security and Privacy

Q: Is my data secure?

A: We take user data security very seriously:

HTTPS encryption: All data transmission uses HTTPS encryption
Data minimization: Only collect necessary user data
Privacy protection: Strictly comply with privacy policies
Regular security audits: Regular security checks and updates
GDPR compliance: Compliant with EU data protection regulations

Q: Do tools save my data?

A: Most tools do not save your data:

Online tools: Data is only processed in the current session and not saved
User accounts: Only data you explicitly choose to save will be stored
Temporary data: Some tools may temporarily cache data to improve performance
Log data: Only save necessary access logs for security analysis

Q: How do I protect my privacy?

A: Privacy protection recommendations:

Use privacy mode: Use private browsing on public devices
Clear cache: Regularly clear browser cache
Don't share sensitive information: Avoid entering sensitive information in tools
Use VPN: Use VPN on public networks
Regularly check settings: Regularly check privacy settings