Terms of Service & Legal Compliance Policy

User Service Agreement and Legal Compliance Policy

Last updated: 2026/3/17

Before you enter, access, or use any services provided by jsunpack.tech (hereinafter referred to as "this website"), please carefully read and fully understand this agreement. This agreement adopts the method of "click to confirm" or "use is deemed as consent".

Once you continue to use this website, it indicates that you have reached a legal contract and promise to be bound by all terms of this agreement (including but not limited to disclaimer clauses and clauses limiting rights).

Part I: Introduction & Platform Mission

jsunpack.tech is committed to providing a pure and efficient JavaScript code unpacking and static analysis environment for global frontend developers, network security practitioners, and computer science enthusiasts.

We deeply understand the importance of code transparency to network security research, but also firmly safeguard intellectual property rights and the legal order of cyberspace.

This platform aims to simplify the tedious code restoration process through automated technology, with core values in academic discussion, technical exchange, and legal vulnerability research.

Part II: Terms of Service

1. Access Criteria & Account Compliance

1.1 Legal Age:

You must have full civil capacity to use this website service.

1.2 Non-Commercial Commitment:

This website and its derivative tools are limited to non-profit learning and research purposes only. It is strictly prohibited to use the analysis results of this website for commercial reverse engineering services, software cracking trade, illegal competition analysis, or any behavior aimed at obtaining illegal commercial benefits.

2. Technical Use Standards & Prohibited Activities

2.1 Reverse Engineering Restrictions:

You must not use this website to analyze the core encryption logic of copyright-protected commercial software, unless you have obtained explicit written authorization from the copyright owner or it is clearly permitted by laws and regulations for compatibility testing requirements.

2.2 Prohibition of Automated Attacks:

Strictly prohibit using scripts, Bots, crawlers, or other automated programs to conduct high-frequency access to this website (DDoS or similar resource depletion attacks).
Strictly prohibit probing this website's backend parsing algorithms or security filtering logic through reverse engineering.

2.3 Prohibition of Storing Illegal Information:

This website does not provide persistent storage services. Any code entered by users through pasting, uploading, etc., if it contains personal privacy information (PII) or trade secrets, the resulting leakage responsibility shall be fully borne by the user.

3. Malicious Script Identification & Automated Filtering Mechanism

3.1 Heuristic Scanning:

To maintain the network security ecosystem, this website has deployed a real-time malicious code detection engine based on heuristic algorithms and signature databases.

3.2 Automatic Filtering Scope:

When the system identifies scripts containing but not limited to the following characteristics, an automatic interception mechanism will be triggered:

Typical remote control tools (C2) heartbeat scripts;
Ransomware encryption logic fragments;
Phishing website auto-fill and information interception logic;
Browser mining (Cryptojacking) scripts;
Exploit payloads targeting known CVE vulnerabilities.

3.3 Interception Consequences:

Scripts identified as "aggressive" or "malicious" will be immediately discarded and no unpacking results will be returned. This website reserves the right to frequency-limit or permanently IP-ban malicious upload behavior.

4. Intellectual Property Statement

4.1 Website Assets: jsunpack.tech's UI design, algorithm logic, brand name, source code, and technical architecture all belong to the website operator.

4.2 Third-Party Rights: The copyright of the code you upload still belongs to the original rights holder. This website only obtains temporary, non-exclusive, processing-only licenses limited to technical analysis during processing.

5. Liability Assumption & Breach Handling

5.1 Breach Liability: If you violate this agreement (especially engaging in commercial reverse engineering or offensive research), you must bear full responsibility for resulting civil, administrative, or even criminal liabilities.

5.2 Website Right of Recourse: If your illegal behavior causes this website to suffer administrative penalties, legal proceedings, or reputation damage, you shall compensate the website for all indirect economic losses, including but not limited to attorney fees, litigation fees, notary fees, etc.

Part III: Privacy Policy

1. Data Collection Scope

1.1 Access Logs: We automatically collect your IP address, browser fingerprint, access path, and dwell time for preventing network attacks and statistical analysis.

1.2 Temporary Data: The code you upload belongs to temporary processing data.

2. Data Processing & Retention Period

2.1 No-Retention Processing: Under normal operation flow, your code will be immediately released from server memory after completing deobfuscation processing in memory and outputting it to you.

2.2 Log Retention: For security compliance and regulatory investigation needs, we will retain basic access logs (excluding code content) for at least 6 months.

3. Privacy Protection Commitment

3.1 Non-Sharing Principle: We promise not to sell or disclose your analysis records to any commercial organization.

3.2 Judicial Assistance: Only when receiving legally effective search warrants, subpoenas, or judicial judgments will we cooperate with regulatory authorities to provide necessary data support.

4. Cookies & Tracking Technologies

This website may use Session Cookies to maintain sessions and does not involve user behavior profiling. You can clear them in your browser settings at any time.

Part IV: Disclaimer

Result Accuracy: Code analysis involves complex heuristic logic. This website does not guarantee 100% restoration of unpacking results, and output results are for reference only.

Running Risks: After you obtain the unpacked code, any system damage or data leakage risks caused by running it in a local environment are unrelated to this website.

Service Continuity: This website is not responsible for analysis interruptions caused by hacker attacks, telecommunication line failures, or force majeure.

Part V: Dispute Resolution & Applicable Law

The interpretation, validity, and dispute resolution of this agreement are all governed by the laws of the People's Republic of China.

In case of disputes, both parties shall negotiate in good faith; if negotiation fails, the dispute shall be submitted to the court at the website operator's location for litigation resolution.

This agreement may be updated from time to time, please check the latest version regularly