Csp Validator
Use Csp Validator on AboveTool to parse URLs, headers, DNS/WHOIS text, IPs, and certificates in your browser — free, private, no signup.
Csp Validator
parses Content-Security-Policy directives and flags risky patterns
Runs in your browser. Live DNS/WHOIS registries are not queried unless a mode explicitly uses a public lookup API.
About Csp Validator
Csp Validator parses Content-Security-Policy directives and flags risky patterns. It works by tokenizes directives and warns on unsafe-inline, *, and data: abuse. Start in report-only while tightening script-src. Csp Validator runs free in your browser at abovetool.com — no signup, instant results.
How to use
- Enter the inputs for this network utility (two IPs, a single address, headers, PEM, and so on).
- Click Compare IPs, Lookup, Convert, or Run depending on the tool.
- Review the on-page result (including bit diffs or maps where shown), then copy or download.
Features
- Mode-specific forms for headers, URLs, IPs, DNS, and certificates
- Client-side parsers and builders — no upload required
- Copy or download results instantly
- Unique tool copy with practical tips for each utility
Frequently asked questions
What is Csp Validator for?
Csp Validator is parses Content-Security-Policy directives and flags risky patterns.
How does Csp Validator calculate the result?
It calculates tokenizes directives and warns on unsafe-inline, *, and data: abuse.
Any tips for using this calculator?
Start in report-only while tightening script-src.
Is Csp Validator free on AboveTool?
Yes. Csp Validator is free to use on abovetool.com with no account required, and results are calculated instantly in your browser.