Specimen V · 04
CyberChef
free
Encoding/encryption Swiss army knife by GCHQ
Open source, browser-only, data never leaves your machine.
| Habitat | Tools |
| Access tier | free |
| Relevance to stack | medium |
| Last active signal | v11.0.0 April 2026 |
| Verified alive | yes — pressed 2026 |
| Specimen no. | V · 04 |
| Live habitat | https://gchq.github.io/CyberChef |