Other than Emojipedia, this stuff is pretty boring and dry… Even to me! But this is stuff I find useful in my day job and general tech life.
- Christopher Johnson’s ASCII Art Collection: A cool ASCII art collection.
- Emojipedia: Emoji reference site.
- Fsymbols: Font/text symbols generator and reference.
- Unicode Emoji: Official Unicode emoji standards and mapping.
- Full Emoji List: Official list that shows what Emoji renders as on different platforms.
- Font Awesome Guide: Font Awesome reference.
- QR Code Generator: Good, simple and ad free QR code generator.
- ExplainShell.com: Tool to help one decipher shell command code.
- JSONLint: JSON validator.
- JSON:API: Specification for building JSON data APIs.
- Table to Markdown: An online too to convert spreadsheet tables to Markdown.
- xrg.es: PHP regular expression tester.
- Unicode Character Inspector: It is what it is: Unicode character inspector.
- HTML5 Canvas Fingerprinting: Explanation of how canvas fingerprinting works.
- User Agent String: Simple website for showing your browser’s User-Agent string.
- Domain History Checker: Tool for getting domain history information.
- intoDNS: GetDNS — and IP related — reports and info for a hostname.
- DNS Propagation Checker: Tool to check DNS propagation.
- MX Toolbox: MX lookup tool and other related stuff.
- MaxMind’s GeoIP2 City Database Demo: GeoIUP lookup tool that can handle IPv6.
- Vultr: IPv4 Converter: Very good IP address analysis and conversion tool.
- Hacker Target: WordPress Security Scan: Good passive WordPress vulnerability scanner.
- Google CSP Evaluator: Good CSP (Content Security Policy) evaluator.
- WAVE: Web Accessibility Evaluation Tool: A suite of evaluation tools that helps authors make their web content more accessible to individuals with disabilities.