Dev Tools
Small utilities developers reach for every day: HTTP header inspection, SMTP testing, hash generation, JSON formatting, redirect rules and link checking - no installation required.
HTTP Headers Check
Inspect the HTTP response headers of a URL
Website OS Check
Identify the operating system behind a website
MD5 & Base64 Generator
Create MD5, SHA and Base64 hashes online
Multi URL Opener
Open multiple URLs in new tabs at once
SMTP Test
Test an SMTP mail server online
.htaccess Redirect Generator
Generate Apache redirect rules
URL Rewrite Generator
Generate SEO-friendly URL rewrite rules
Broken Link Checker
Find and fix dead links on a page
Open Graph Checker
Preview and validate social media tags
RAID Calculator
Calculate usable capacity of RAID arrays
Binary Translator
Translate binary to text
Text to Binary
Translate text to binary
JSON Viewer, Beautifier & Minifier
View, format and minify JSON online
Email Verifier
Verify an email address without sending