Premium SEO Tools
Free SEO and technical control tools
Quickly check your website visibility, technical setup, and indexability.
CRY TOOLKIT
One center, one clear next step.
Choose keyless, passive, measurable checks based on what you need.
SEO Tools
Crawlability and visibility tools.
Keyless, passive, measurable SEO checks.
Advanced Page SEO Audit
Combines SEO, security, performance, and conversion signals in a CWIS report.
Meta Preview
Checks title and description length and snippet appearance.
Schema JSON-LD Validator
Parses JSON-LD locally and lists schema types.
Robots.txt Test
Passively checks robots rules and sitemap declarations.
Sitemap Validation
Measures sitemap XML format and URL count.
Redirect Chain
Shows redirect steps with safe, limited requests.
On-Page SEO Audit
Check title, description, canonical, schema, and core SEO signals.
Meta Preview
Preview titles and descriptions live in search results.
Schema Checker
Validate JSON-LD and structured data fields.
Sitemap Checker
Find broken URLs, localhost references, and indexing risks in your sitemap.
Robots Checker
Review crawl rules inside your robots.txt file.
Redirect Checker
Trace redirect chains and HTTP status codes.
Base64 Encode/Decode
Quickly inspect content and technical SEO signals.
URL Encode/Decode
Quickly inspect content and technical SEO signals.
JSON Formatter and Validator
Quickly inspect content and technical SEO signals.
Email Header Analyzer
Quickly inspect content and technical SEO signals.
Meta Title Analyzer
Quickly inspect content and technical SEO signals.
Meta Description Analyzer
Quickly inspect content and technical SEO signals.
SERP Preview
Quickly inspect content and technical SEO signals.
Open Graph Preview
Quickly inspect content and technical SEO signals.
Twitter Card Preview
Quickly inspect content and technical SEO signals.
Heading Map
Quickly inspect content and technical SEO signals.
Image Alt Text Audit
Quickly inspect content and technical SEO signals.
HTML and DOM Analysis
Quickly inspect content and technical SEO signals.
Internal Link Analysis
Quickly inspect content and technical SEO signals.
Hreflang Checker
Quickly inspect content and technical SEO signals.
Duplicate Content Comparison
Quickly inspect content and technical SEO signals.
URL Slug Analyzer
Quickly inspect content and technical SEO signals.
Readability Analyzer
Quickly inspect content and technical SEO signals.
Keyword Density Analyzer
Quickly inspect content and technical SEO signals.
JSON Formatter
Quickly inspect content and technical SEO signals.
SEO Tools
Read the technical signals that shape visibility in one frame.
Review headings, meta fields, schema, redirects, and indexing checks in one flow so priorities become clearer.
Security Tools
Defensive passive and local checks.
Inspect visible security signals and local inputs without offensive testing.
Security Header Check
Review HTTP headers that support browser-side security.
HTTPS and SSL Pre-Check
Review HTTPS access, redirects, certificate information, and mixed-content indicators.
Cookie Security Check
Review Secure, HttpOnly, and SameSite flags visible in the public response.
Form Security Pre-Check
Review form action, method, password fields, and visible protection indicators in HTML.
CSP Preview and Builder
Generate a starter CSP draft from visible origins and selected services.
Password Policy Simulator
Measure sample length and variety without using a real password.
Security Readiness Score
Review your baseline and top three priorities across eight essential controls.
Random Strong Password Generator
A local defensive and validation tool that does not persist sensitive inputs.
Password Strength Meter
A local defensive and validation tool that does not persist sensitive inputs.
Password Entropy Calculator
A local defensive and validation tool that does not persist sensitive inputs.
Hash Generator
A local defensive and validation tool that does not persist sensitive inputs.
Bcrypt and Argon2 Hash Verifier
A local defensive and validation tool that does not persist sensitive inputs.
UUID Generator
A local defensive and validation tool that does not persist sensitive inputs.
Secure Token Generator
A local defensive and validation tool that does not persist sensitive inputs.
HMAC Generator
A local defensive and validation tool that does not persist sensitive inputs.
JWT Viewer
A local defensive and validation tool that does not persist sensitive inputs.
Pasted Secret Scanner
A local defensive and validation tool that does not persist sensitive inputs.
CSP Analyzer
A local defensive and validation tool that does not persist sensitive inputs.
Security Tools
Inspect public-facing risk signals without offensive testing.
Use header, SSL, cookie, form, and readiness checks to passively review visible security signals.
Marketing Tools
Make campaign and conversion math visible.
Run UTM, budget, ROAS, CPA, CTR, and content helpers without keys.
UTM Link Builder
See the formula, change inputs, and compare the result instantly.
Campaign Name Generator
See the formula, change inputs, and compare the result instantly.
Ad Budget Planner
See the formula, change inputs, and compare the result instantly.
ROAS Calculator
See the formula, change inputs, and compare the result instantly.
ROI Calculator
See the formula, change inputs, and compare the result instantly.
CPA Calculator
See the formula, change inputs, and compare the result instantly.
CPC Calculator
See the formula, change inputs, and compare the result instantly.
CPM Calculator
See the formula, change inputs, and compare the result instantly.
CTR Calculator
See the formula, change inputs, and compare the result instantly.
Conversion Rate Calculator
See the formula, change inputs, and compare the result instantly.
Break-even ROAS Calculator
See the formula, change inputs, and compare the result instantly.
LTV/CAC Calculator
See the formula, change inputs, and compare the result instantly.
Profit Margin Calculator
See the formula, change inputs, and compare the result instantly.
Lead Target Calculator
See the formula, change inputs, and compare the result instantly.
A/B Test Significance Calculator
See the formula, change inputs, and compare the result instantly.
Email Subject Analyzer
See the formula, change inputs, and compare the result instantly.
CTA Text Analyzer
See the formula, change inputs, and compare the result instantly.
Keyword List Cleaner
See the formula, change inputs, and compare the result instantly.
Negative Keyword Editor
See the formula, change inputs, and compare the result instantly.
Ad Character Limit Checker
See the formula, change inputs, and compare the result instantly.
Start with CRY
Let us move your SEO and performance forward.
Use the free assessment to clarify technical bottlenecks, content opportunities, and visibility risks.