Claude Tokenizer: is it still online? | SaaS OutpostApril 2026 cohort / AI and machine learning

Shows how Claude splits text into tokens to help users optimize prompts.
- Status
- Onlinesince Nov 5, 2026
Last 30 days
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Domain and certificate
- HTTPS certificate
- valid to Dec 30, 2026 · 54 days left
The .me registry doesn't publish registration data over RDAP, so only the certificate is shown.
History
Launched
· Launch announcement
Online
· online
- Last checked Nov 6, 2026
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Today Daily checks started Nov 5, 2026.
Checks pasted text for patterns associated with Claude Opus 5 or ChatGPT, entirely in the browser.
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