Perry AY

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.

Monitor websites for visual regressions. Capture baseline screenshots, compare against new captures, and generate pixel-accurate diff reports with highlighted changes.

Identify technologies powering any website — CMS, frameworks, analytics, CDN, hosting, payment processors, and JS libraries from HTML and HTTP headers.

Enterprise email domain security audit: SPF/DKIM/DMARC/BIMI/MTA-STS DNS validation, 50+ blacklist scans, MX record analysis with IP resolution, deliverability scoring (0-100), and detailed remediation advice.

Monitor brand mentions, keywords, and phrases across multiple web pages. Get frequency counts, context snippets, and sentiment analysis. Ideal for PR monitoring, competitor tracking, and social listening — scan up to 20 URLs with customizable keyword lists.

Protect your SEO by detecting broken links, redirect chains, and low-quality outbound links. Scans any webpage to analyze every external link — HTTP status, response time, SSL validity, content type. Each link gets a quality score (0-100) with full diagnostics. Batch scan up to 10 pages.

Interactive regex testing tool supporting findall, match, search, split, and sub (replace) modes. Test patterns against sample text, view full match details, capture groups, named groups, and detailed error messages for invalid patterns.