Developer Tools
Generate IDs, inspect tokens, test patterns, convert timestamps, and look up public DNS or redirect chains. Client-side tools stay on your device.
Unix Timestamp Converter
Convert Unix time (epoch seconds or milliseconds) to local date, UTC, and ISO 8601. Free timestamp and epoch converter.
Open tool →JWT Decoder
Decode a JWT header and payload in your browser. Inspect claims without verifying the signature. Free JWT decoder, nothing uploaded.
Open tool →Regex Tester
Test JavaScript regular expressions against sample text. See matches, indexes, and capture groups instantly in your browser.
Open tool →Redirect Checker
Follow HTTP and HTTPS redirects and see status codes plus Location headers. Free redirect checker for public URLs.
Open tool →DNS Lookup
Look up public DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA) from your browser via Cloudflare DNS over HTTPS.
Open tool →