Strict-Transport-Security parse
ClientBreak down HSTS directive tokens.
Parse HSTS max-age, includeSubDomains, and preload flags.
About Strict-Transport-Security parse
Parse HSTS max-age, includeSubDomains, and preload flags. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
max-age: 31536000 s (~365.0 days) includeSubDomains: present preload: present
Common use cases
- Strict-Transport-Security parse for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Use q or qb for the main text field when supported.
More tools
Related utilities you can open in another tab—mostly client-side.
HSTS header builder
ClientDraft Strict-Transport-Security with max-age, includeSubDomains, and optional preload—local only.
Referrer-Policy builder
ClientPick a Referrer-Policy value and copy the HTTP header—control referrer leakage locally.
Cross-Origin-Opener-Policy parse
ClientExplain COOP directive values.
HTTP headers
ClientCommon request and response header fields—names, direction, and short summaries—filterable client-side.