Tools

Paste a cron expression, get a plain-English explanation. Shows the next 5 scheduled times. Supports standard 5-field cron syntax.

Convert between Unix timestamps and human-readable dates. Live clock, auto-detects seconds vs milliseconds, click to copy.

Paste JSON, get syntax-highlighted output. Click any key to copy its JSONPath. Format with 2-space, 4-space, or tabs. Minify. Validate.

Test regular expressions with real-time highlighting, capture group display, find-and-replace, and 8 common patterns. JavaScript engine.

Encode and decode Base64 with live conversion as you type. Supports URL-safe mode and line wrapping. Handles UTF-8.

Complete domain investigation in one page: DNS records, WHOIS registration, TLS certificate details, HTTP probe, and server geolocation. All queries run in parallel via the API.

Parse any User-Agent string into browser, version, OS, device type, rendering engine, and bot detection. Auto-detects your own UA on load.

Paste text, get a link. Curl-friendly API. Auto-expires. 512KB max per paste.

20+ utility endpoints: IP lookup, UUID generation, hashing, DNS/WHOIS/TLS lookups, JWT decode, diff, base64, markdown-to-HTML, JSON validation, URL shortener, and a webhook inspector.