Tool Name: PEM Parser

Tool Description: PEM Parser is a tool used to parse PEM format certificates. It can parse PEM format certificates into readable formats, including certificate version, serial number, signature algorithm, validity period, signature, issuer, and subject information.

Use Cases:

1. Certificate Management: During certificate management, administrators need to view detailed information about certificates. Using the PEM Parser tool can parse PEM format certificates into readable formats, making it easy to quickly view certificate information.

2. Certificate Verification: During certificate verification, developers need to check the validity and integrity of certificates. Using the PEM Parser tool can parse PEM format certificates into readable formats, making it easy to quickly check certificate information.

3. Certificate Analysis: During certificate analysis, security researchers need to understand the structure and content of certificates in depth. Using the PEM Parser tool can parse PEM format certificates into readable formats, making it easy to analyze certificate information in depth.

Usage:

1. Paste or input the PEM format certificate into the tool.

2. The tool will automatically parse the certificate and display it in the output area of the tool.

3. The parsed certificate information includes certificate version, serial number, signature algorithm, validity period, signature, issuer, and subject information.

Dependencies:

1. node-forge: A JavaScript library used for encryption, decryption, and encoding.

2. vue-i18n: A Vue.js plugin used for internationalization.

3. lodash: A JavaScript utility library.

4. TypeScript: A language used for developing large-scale JavaScript applications.

5. util.ts: A tool function used to determine whether a string is in PEM format.

Notes:

1. The PEM Parser tool only supports parsing PEM format certificates.

2. If the input string is not a PEM format certificate, the tool will prompt an error message.

3. The tool's certificate parsing process may take some time, so please be patient.

4. The output area of the tool can be copied and pasted for easy processing and analysis.