Everything you need to know about chrome-extension:// IDs

Опубликовано 11 февраля 2026, 16:00

Learn the fundamentals of Chrome Extension IDs, from their generation to their critical role in security and resource management. Oliver clarifies the difference between IDs for unpacked extensions (based on file path hash) and published extensions (derived from public keys). Understand how to work with deterministic IDs for development, the importance of ID uniqueness, and the security implications of using an ID as an extension's origin.


Chapters:
0:00 - Introduction
0:36 - Understanding extension ID structure
1:00 - Using the ID as an origin
1:24 - Unpacked extension ID generation
1:49 - Public key cryptography explanation
2:52 - The public key manifest field
3:07 - Demo: Replicating an extension ID
3:47 - Security in development vs. production
4:23 - Generating consistent IDs with OpenSSL
5:07 - Conclusion

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Speaker: Oliver Dunk
Products Mentioned: Chrome