// browser tools — no login required

Faster Than
The Internet.

15 utilities that run entirely in your browser. No accounts, no paste-blockers, no cookie banners.

$
Network
5 tools
01
dns-lookup
Query A, AAAA, MX, TXT, CNAME records for any domain
↵ 02
whats-my-ip
Your public IP, ISP, and geolocation
↵ 03
http-headers
Inspect HTTP response headers for any URL
↵ 04
whois
Domain registrar, registration dates, nameservers
↵ 05
mac-lookup
Identify the vendor behind any MAC address via OUI prefix
↵
Generate
2 tools
06
password-gen
Cryptographically random passwords, configurable charset
↵ 07
uuid-gen
v4 UUIDs via crypto.randomUUID() — single or bulk
↵
Encode / Decode
4 tools
08
base64
Encode text to Base64 or decode back to plain text
↵ 09
url-encode
Percent-encode and decode URI components
↵ 10
json-fmt
Prettify, minify, and validate JSON with syntax checking
↵ 11
jwt-decode
Decode JWT — header, payload, claims, and expiry status
↵
Dev Tools
5 tools
12
regex
Test regular expressions with live match highlighting
↵ 13
timestamp
Convert Unix timestamps ↔ human-readable dates
↵ 14
cron-parse
Translate cron expressions to plain English + next run times
↵ 15
color-conv
HEX ↔ RGB ↔ HSL with WCAG contrast and CSS snippets
↵ 16
diff
LCS-based line diff — compare two blocks of text
↵
✓ 16 tools loaded ✓ 0 accounts required ✓ 0 cookies set ✓ 0 data leaves your browser