Your all-in-one developer, networking & AI toolbox
20 fast, focused tools. Developer utilities run entirely in your browser; networking and AI tools are powered by the backend.
🧑💻 Developer
Runs fully in your browser — private, offline-capable.
JSON Formatter
Pretty-print, minify, and validate JSON.
Base64 Encode/Decode
Convert text to and from Base64 (and Base64URL).
URL Encode/Decode
Percent-encode or decode URLs and components.
JWT Decoder
Decode a JWT's header and payload (no verification).
Regex Tester
Test regular expressions with live match highlighting.
Hash Generator
Generate SHA-1/256/384/512 hashes of text.
UUID Generator
Generate v4 UUIDs, single or in bulk.
Timestamp Converter
Convert between Unix epoch and human dates.
Case Converter
camelCase, snake_case, kebab-case, Title Case, and more.
CIDR / Subnet Calculator
Compute network, broadcast, mask, and host range.
🌐 Networking
Server-side lookups: DNS, WHOIS, SSL, and more.
What's My IP
Show your public IP address and rough location.
DNS Lookup
Query A, AAAA, MX, TXT, NS, CNAME records.
WHOIS Lookup
Look up domain registration and ownership info.
SSL Certificate Checker
Inspect a host's TLS certificate and expiry.
HTTP Header Inspector
Fetch a URL's response headers (CORS-free).
Port / Reachability Check
TCP-connect test to a host and port.
Email Validator
Check syntax, MX records, and disposable domains.
🤖 AI
Powered by Claude — summarize, rewrite, and explain.