All Tools

Convert dates between DD/MM/YYYY, MM/DD/YYYY, YYYY-MM-DD, and 20+ other date formats. Free online date format converter with custom format support and one-click copy.

Send a WhatsApp message to any number without saving it to your contacts. Free, instant, no signup — perfect for businesses and one-off chats.

Generate custom QR codes for URLs, vCards, Wi-Fi, text, and more — high-resolution PNG and SVG download, free.

Convert between gold karats, purity percentage, touch, tunch, and 916/750/585/375 hallmark markings. Free online gold karat calculator and purity converter.

Convert byte arrays to strings online. Decode space- or comma-separated bytes (decimal, hex, or binary) to UTF-8 text. Free browser-based byte-to-string converter.

Calculate your exact age in years, months, days, hours, minutes, and seconds — free online age calculator with leap-year and timezone support.

Encode text or files to Base64 and decode Base64 strings back to text. Free, instant, browser-only — no upload, no logging.

Generate globally unique identifiers (UUID v4) for databases, sessions, and distributed systems — instant and bulk-friendly.

Percent-encode strings for safe URL inclusion or decode percent-encoded URLs back to readable text — free and UTF-8 safe.

Validate email addresses online with strict format and TLD checks. Free browser-based email validator and verifier — instant, accurate, no signup.

Generate strong, random passwords with custom length, character classes, and exclusions — perfect for new accounts and password rotation.

Pick and customize RGBA colors with full alpha-channel control. Free online RGBA color picker with live preview and copy-ready CSS.