A cookie asks for two years and gets seven days. Which of the two applies depends on the way it was set, not on the header. Paste the header, say how it was set, and the real lifetime appears.
Set-Cookie Analyzer & ITP Lifetime Simulator
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OTHER TOOLS
- GA4 Measurement Protocol Payload Builder
- IP Anonymization & Masking Tester
- GA4 Measurement Protocol JSON Validator: see every fault at once
- Server-Side GTM – Cloud Run Cost Estimator
- Meta CAPI Match Key Planner & Hasher
- JWT & OAuth Token Inspector
- Canonical, hreflang and Indexing Signal Inspector
- GA4 gcd Parameter Decoder
- robots.txt & llms.txt Generator for AI Crawlers
- Meta & TikTok CAPI Dedup & Hash Generator
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