A sandbox set of developer tools for debugging and exploration
Shows your IP address and all HTTP headers the server sees. Useful for debugging proxies, CDNs, and VPNs.
Parses a URL into parts: host, path, query parameters, and hash โ with percent-encoding decoding.
Encode and decode text in both directions. Standard or url-safe alphabet, Unicode-compatible.
Query A, AAAA, MX, TXT, CNAME, NS and more records for any domain.
Look up IP geolocation: country, city, ISP and coordinates.
Paste a token, get header, payload, exp and iat in a readable form.
MD5, SHA-1, SHA-256, SHA-512 and bcrypt โ hash and verify passwords right in the browser.
Generate UUID v4 and v7 with one-click copy.
Displays your screen size, window dimensions, browser language, and device capabilities.
Convert HEX, RGB, HSL. Itten wheel with complementary & triadic harmony. WCAG contrast checker.
Live Markdown preview with HTML export.
Generate QR codes with custom colors, styles, gradients. Download PNG or SVG.
Compare two texts and see what changed.