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ProductMay 8, 2026· 6 min read
Stealth mode: browsers that look human
Fingerprints, header hygiene, and human-like timing, on by default so your browsers blend in.
AK
Ada K.
Engineering
The fastest way to get blocked is to look like a headless bot. Stealth mode ships managed fingerprints, clean headers, and human-like input timing so a Ferr browser reads like a real visitor.
What stealth handles
- Consistent, managed browser fingerprints
- Header ordering and hygiene that match real Chrome
- Human-like mouse and keyboard timing
- Automatic handling of common challenge flows
One flag
Turning it on is a single argument on session creation. Everything else — the fingerprint, the timing, the headers — is managed for you and updated as detection evolves.
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