Open-source software notices

2 October 2026

This tool is first-party code. The browser bundle has no runtime npm libraries. JWT decoding uses the platform atob, TextDecoder, and JSON.parse only. Self-hosted IBM Plex fonts are licensed under the SIL Open Font License 1.1. The original copyright line and the full license text are in /fonts/OFL.txt next to the font files.

IBM Plex Sans / IBM Plex Mono

Copyright 2019 IBM Corp. All rights reserved.

License: SIL Open Font License 1.1.

/fonts/OFL.txt