Terms of Service

1. Service Description and Scope

• Encryption/Decryption - AES, RSA, MD5, SHA1, SHA256, SHA512, etc.
• Hash Calculation - MD5, SHA1, SHA256, SHA512, etc.
• Checksum Calculation - CRC, LRC, etc.
• Formatting Tools - JSON, XML, CSV, INI, TXT, etc.
• Time Calculation - Timestamp Conversion, Time Difference Calculation, Time Formatting, etc.
• Unit Conversion - Length, Angle, Area, Volume, Mass, Temperature, Time, Currency, etc.
• Cron Expression - Linux Cron, Spring Cron, Quartz Cron, etc.

2. User Accounts and Responsibilities

• Ensure that you provide true, accurate, and complete information
• Properly safeguard your account information and login credentials
• Take responsibility for all activities under your account
• Update your contact information and related data in a timely manner
• Do not transfer or lend your account to others
• Notify us immediately if you discover unauthorized use of your account

3. Usage Rules and Restrictions

• Use our tools only for legal online calculator related purposes
• Do not use our services for any illegal or unlawful activities
• Do not maliciously attack, damage, or interfere with our servers and networks
• Do not spread viruses, malicious code, or harmful programs
• Do not infringe upon others' intellectual property or other legitimate rights
• Do not publish false, misleading, or harmful information content
• Comply with relevant online calculator standards and safety regulations

4. Intellectual Property Protection

• All content on this website (including software, documentation, interface design, etc.) is protected by intellectual property law
• Without authorization, you may not copy, modify, distribute, or reverse engineer our software
• Do not remove or modify any copyright, trademark, or other intellectual property markings
• Users may use service functions normally within our authorized scope
• If intellectual property infringement is discovered, we will pursue legal responsibility according to law
• Respect third-party intellectual property rights and do not infringe upon others' rights during use

5. Privacy and Data Protection

• Strictly process user personal information according to our privacy policy
• Adopt appropriate technical and management measures to protect user data
• Will not access, use, or disclose user data without authorization
• Tools prioritize client-side data processing to reduce data transmission
• Users are responsible for their own input online calculator data; we do not bear responsibility for data content
• We recommend users not to input confidential or sensitive online calculator data in tools

6. Service Fees and Payment

• Basic tool functions are provided free to all users
• Advanced functions or enterprise services may incur corresponding fees
• Specific prices for paid services will be clearly marked on service pages
• Payment methods and processes will be determined according to service type
• Virtual services generally do not support refunds once delivered
• We reserve the right to adjust service prices but will notify existing users in advance

7. Service Availability and Maintenance

• We strive to maintain service stability and availability
• Services may be temporarily interrupted due to system maintenance, upgrades, etc.
• Important maintenance activities will be notified to users in advance
• We are not responsible for service interruptions caused by force majeure factors (such as natural disasters, government regulations, etc.)
• Network failures, server failures, and other technical issues may affect normal service use
• We will try to restore services quickly but do not guarantee specific recovery times

8. Liability Limitation and Disclaimer

• The tools on this website are for reference use only; we do not guarantee absolute accuracy of results
• Users should verify tool output results according to actual circumstances
• We are not liable for any losses arising from using our services
• We are not responsible for indirect losses, profit losses, data losses, etc.
• Our total liability does not exceed the service fees paid by users
• We recommend users conduct sufficient testing and verification before using in production environments

9. Service Changes and Termination

• We reserve the right to modify, suspend, or terminate services at any time
• Major changes will be notified to users in advance with reasonable transition time
• If users violate the terms of service, we have the right to terminate their usage rights
• When services are terminated, users should stop using related functions
• We will properly handle user data but do not guarantee permanent data preservation
• Service termination does not affect the rights and obligations arising before termination

10. Dispute Resolution and Legal Application

• Both parties should first resolve disputes through friendly negotiation
• If some agreement clauses are invalid, it does not affect the validity of other clauses
• We reserve the right to final interpretation of agreement terms
• When applicable laws change, the agreement will be adjusted accordingly

11. Terms Updates and Notifications

• We reserve the right to modify these Terms of Service at any time
• Important modifications will be notified to users through website announcements, emails, etc.
• Updated terms will be published on the website and take effect immediately
• Continued use of services is deemed as agreement to modified terms
• We recommend users regularly check this page to understand the latest Terms of Service
• If you do not agree to modified terms, please stop using our services

12. Contact Information and Feedback