Web & Developer
21 free tools · runs in your browser
IP lookup, speed test, Discord webhooks, regex tester, CSS generators, QR codes and other handy developer tools. Like every tool on UsefulTools, these are free, require no signup, and process everything locally on your device.
IP Address Lookup
Geolocation, ISP and details for any IP
What Is My IP
See your public IP address and network
Internet Speed Test
Download, upload, ping and jitter
User Agent Checker
Your full browser & device fingerprint
Password Strength Checker
Crack-time estimate for any password
Password Breach Checker
Check if a password has been leaked
Discord Webhook Sender
Send messages & embeds to any webhook
Discord Webhook Deleter
Delete a webhook with its token
Discord ID Lookup
Decode IDs into account & server dates
IP Subnet Calculator
IPv4 CIDR ranges, masks and hosts
Regex Tester
Live pattern matching with highlights
CSS Gradient Generator
Linear & radial gradients with live preview
Box Shadow Generator
Design CSS shadows visually
Border Radius Generator
Per-corner radii with live preview
Color Picker
HEX, RGB, HSL with shades and tints
Meta Tag Generator
SEO, Open Graph & Twitter tags
robots.txt Generator
Correct crawler rules for any site
Email Validator
Syntax and format checks, explained
Direct Media Downloader
Save files from any direct URL
CSS Minifier
Strip whitespace & shorten CSS
HTML Live Preview
Write HTML, see it rendered instantly