Weird Web Tools

Weird web tools that do one job well.

A curated list — every tool here was tried by a real human before being posted. Sites with obtrusive ads, or without at least a free demo, get rejected.

2 tools matching “live”

Paste a domain and get an email-deliverability health verdict: DNS records, SPF/DKIM/DMARC authentication, and blacklist signals — in the browser, no signup, no mailbox access, no test sends.

No loginDeveloperfolderly.com

Build and debug regular expressions with live matching, an explanation panel that decodes every token, and a searchable reference. Supports PCRE, JavaScript, Python, and more flavors.

No loginDeveloperregex101.com