View All Tools

QR Code Reader

Click or drop an image with a QR code

🔒

Built for quick debugging

Developer tools avoid unnecessary setup and keep common snippets, tokens, and test data in your browser where possible.

⚡

Quick workflow

  1. Paste the value, snippet, command, or sample data.
  2. Run the parser, generator, tester, or converter.
  3. Copy the result and continue with the suggested next tool.
💡

Useful tip

Chain small tools together: decode, inspect, format, compare, and generate types from the same data.

You might also like

Luck predicts what you like

🗜️

HTML Minifier

Compress HTML code

🎨

CSS Minifier

Compress CSS code

📱

QR Code Generator

Generate QR codes

🔄

Markdown to HTML

Convert Markdown to HTML

📅

Sitemap Lastmod Freshness Auditor

Audit sitemap lastmod freshness before launch. Find missing, future, invalid, stale, or suspiciously identical lastmod dates.

🎨

Image Color Extractor

Extract a simple color palette from an image in your browser.

GA4

GA4 Event Naming Checker

Check GA4 event names for syntax, length, reserved names, prefixes, duplicates, and team naming consistency before launch.

🕷️

Robots Crawl Budget Advisor

Choose page types and generate robots/noindex crawl budget guidance.