Github page: https://tyage.github.io/flag-bird/src/panel.html#/

Chrome App: https://chrome.google.com/webstore/detail/flag-bird/jdlmmmijcablfmmdohiligiopigdlbbi

It may help you to capture the flag.

• TCP communication (Chrome App only)
• Encoder and Decoder (uri encode, base64, caeser, hex)
• Generate hashes (length, md5, sha1, sha256, sha512)
• SQL Injection Tool (also blind SQLi)
• Documentations for some vuln, crypto
• CTF Time Rating Calculator
• Simple Binary Editor

1. Import src directory as a chrome apps.
2. Launch this app.