Runs locally
No uploads
No storage
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Developer first. Always.

Mask sensitive data before you paste it into AI.

Aimasker helps you redact API keys, bearer tokens, JWTs, private key blocks, emails, and URLs locally in your browser — then copy safe text into ChatGPT/Claude.

Runs locally
No uploads
No storage
Recommended resources
Redact API keys
Mask API keys, tokens, and private keys before you paste into AI.
Sanitize logs before AI
Remove secrets and PII from logs and stack traces.
Read the blog
Short, practical guides for developers.
Privacy policy
How Aimasker handles data and privacy.
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