Perry AY

Infer JSON Schema from sample JSON data and validate JSON documents against existing schemas. Supports Draft-04, Draft-07, and 2019-09. Features nested objects, array item type inference, enum detection, batch validation, and human-readable schema documentation generation.

Enterprise-grade JSON formatting, validation, transformation, diffing, and schema inference. Handles pretty-printing, minification, JSON-to-YAML conversion, deep key extraction, and JSON Schema generation from sample data. Ideal for API debugging, data pipelines, and developer tooling.

Decode JWT tokens, verify HMAC/RSA/ECDSA/EdDSA signatures, detect alg=none bypass, key confusion, weak secrets, and expired tokens. Batch processing and audit report generation for DevSecOps teams.

Fetches one or more URLs and extracts Open Graph tags, Twitter Cards, JSON-LD structured data, meta description, title, and favicon. Supports batch processing of up to 20 URLs.

Extract Open Graph meta tags (og:title, og:description, og:image, twitter:card) from any URL. Generate structured preview cards with validation warnings for missing or malformed OG tags. Batch mode for site-wide audits.

Scan any webpage for broken links. Validates HTTP status codes, detects redirects with chain tracking, classifies internal vs external links, and measures response times. Batch scan up to 10 pages.

Download and extract metadata, text content, and page count from PDF documents. Supports batch processing with concurrent downloads.

Enterprise-grade URL phishing risk analysis using 14+ detection signals. Multi-factor scoring combining URL patterns, domain analysis, SSL validation, redirect chain inspection, security header audit, and page content analysis. Ideal for automated phishing detection and SOC workflows.

TCP port scanner for common service ports. Concurrent multi-host scanning, banner grabbing, reverse DNS, 8 preset lists. Premium: open port alerts and batch scanning.

Cryptographically secure password generator with configurable length, character sets, and entropy bits calculation. Supports uppercase, lowercase, digits, symbols, and ambiguous character exclusion.

Generate high-quality QR codes in PNG or SVG format. Supports batch processing (up to 50 codes), custom colors, multiple error correction levels, and returns both public download URLs and inline data URIs. Perfect for marketing, events, product packaging, and developer workflows.

Fetch, parse, and analyze robots.txt and sitemap.xml for any domain. Extract crawl directives, test URL compliance against robots.txt rules, and discover all URLs from sitemaps including nested sitemap indexes. Supports batch analysis with structured JSON output.

Fetch and parse RSS 2.0, Atom, and JSON Feed formats into structured JSON output. Supports single feeds and batch analysis up to 20 feeds. Validates feed health, detects common issues, and extracts per-item metadata including title, link, dates, authors, categories, and enclosures.

Generate Google-approved JSON-LD structured data for 30+ Schema.org types. Supports SEO schema like Article, Product, FAQ, Event, LocalBusiness, and more.

Check if a username is available or taken across 50+ social media and professional platforms. Supports batch checking, platform filtering, and concurrent scanning.

Never get caught by an expired or misconfigured certificate. Inspect SSL/TLS certificates for any domain — issuer, subject, validity dates, SANs, key algorithm, chain length, and security ratings. Includes deep inspection for weak ciphers and outdated TLS. Batch analyze up to 20 domains.

Check SSL/TLS certificate details for one or more domains. Retrieves issuer, subject, validity dates, cipher info, and chain analysis.

Discover subdomains from Certificate Transparency logs using crt.sh and CertSpotter. Supports multi-source aggregation, deduplication, diff reporting, continuous monitoring, wildcard detection, and batch scanning — ideal for penetration testing, attack surface mapping, and security monitoring.

Batch CVE scanner for your entire technology stack. Check 30+ software packages against the NIST NVD database in a single run. Premium: severe CVE alerts and multi-software scanning.

Timezone conversion and world clock utility. Converts times between any IANA timezones, shows UTC offsets with DST auto-detection, and displays current time across multiple locations simultaneously.

Deep Unicode inspection: reveals every codepoint as U+XXXX with block/name. Detects invisible chars (zero-width, BOM, RTL/LTR overrides). Identifies mixed encodings and mojibake. Performs NFC/NFD/NFKC/NFKD normalization. Security mode detects homoglyph/confusable characters.

Comprehensive URL health checker with batch support. Tests HTTP status codes, response times, redirect chains, SSL certificate validity, and content-type detection. Check up to 20 URLs in a single run.

Trace HTTP redirect chains for any URL. Detects redirect loops, insecure http downgrades, open redirect vulnerabilities, and tracking/analytics parameters. Supports single and batch mode (up to 50 URLs). Returns full hop-by-hop chain with security grading.

Pure-Python ID generator producing UUID v4, UUID v7 (time-ordered), nanoid (customizable length/alphabet), short base62 IDs, and Crockford Base32 ULIDs. Supports batch mode for generating multiple different ID types in a single run. Zero external dependencies.