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

1. Input

2. Configure

Presets:

API keys / BearerDetect key formats & tokens

JWTMask JSON Web Tokens

Private key blocksMask PEM blocks

EmailMask email addresses

PhoneMask phone numbers

URLsMask internal/external URLs

IP addressesMask IPv4/IPv6

3. Sanitized Output