Format and validate JSON data easily.
Encode or decode Base64 strings.
Encode or decode URLs for safe transmission.
Generate hashes like MD5, SHA1, SHA256.
Test regular expressions against sample text.
Check if an email address is valid.
Get geolocation and info about an IP address.
Generate unique identifiers (UUID/GUID).
Generate QR codes from text or URLs.
Generate SEO meta tags for your website.
Convert markdown text into HTML.