Utilities for web developers and programmers.
Check HTTP response headers for any URL. Security headers, caching, redirects, and server info.
Detect the operating system and web server behind any website.
Format, validate, and minify JSON. Syntax highlighting, tree view, and error detection.
Generate MD5 hashes and Base64 encode/decode text. Quick hash and encoding tool.
Convert binary (0s and 1s) to readable text and back.
Convert text to binary representation. See the binary encoding of any string.
Generate .htaccess redirect rules. 301 redirects, www/non-www, HTTPS enforcement.
Generate SEO-friendly URL rewrite rules for Apache and Nginx.
Generate Open Graph meta tags for social media sharing. Preview how your page will look on Facebook, Twitter, LinkedIn.
Open multiple URLs at once, each in a new browser tab. Paste a list and open them all.
Find broken links (404s) on any website. Crawls pages and reports dead links.
Calculate RAID storage capacity, fault tolerance, and performance for different RAID levels.