Features
Free Version
- Session-based header scrambling
- Randomized User-Agent headers
- SEC-CH-UA Client Hints modification
- Platform & architecture spoofing
- Timezone masking
- Language header rotation
Pro Features
- Advanced Update Frequencies: 5-minute rotation or per-page randomization
- Domain Rules: Whitelist/blacklist mode with granular domain control
- Referer Control: 4 strategies to prevent cross-site tracking
- Privacy Score: Real-time fingerprint analysis with recommendations
- Unlimited Rotations: No restrictions on header changes
What Gets Modified
Header Specter scrambles multiple browser fingerprinting vectors to enhance your privacy while browsing:
- User-Agent: Appears as different browsers and devices
- Client Hints: SEC-CH-UA headers constantly varied
- Platform Info: Operating system and architecture randomized
- Timezone: JavaScript timezone detection overridden
- Language: Accept-Language headers diversified
- Referer: Control tracking via referrer headers (Pro)
Privacy First
Core header modifications happen locally in your browser. We do not collect or sell browsing history. Optional Pro privacy-score checks and subscription verification can contact external services as described in our legal and privacy pages.