🖼️ Image Compressor & Resizer
Shrink JPG, PNG or WebP files without leaving your browser. Great for getting a photo under an upload limit.
Drop an image here
or click to browse
🔳 QR Code Generator
Turn a link, message, phone number or Wi-Fi string into a scannable QR code.
🔑 Password Generator
Generated with your browser's cryptographic RNG. Nothing is transmitted or stored.
#️⃣ Hash Generator
Hash text or a file to verify a download's checksum. Uses the built-in Web Crypto API.
🧬 Base64 Encoder / Decoder
Full Unicode support, plus file → data URI for embedding images directly in CSS or HTML.
🧾 JSON Formatter
Prettify, minify or validate JSON — errors point at the exact character.
🔗 URL Encoder & Inspector
Percent-encode strings, or paste a full URL to break its query parameters apart.
✍️ Text Toolkit
Live word count plus one-click case conversion, sorting, de-duplication and slugs.
🔍 Diff Checker
Line-by-line comparison of two blocks of text.
⚙️ Regex Tester
Matches highlight as you type, with capture groups listed underneath.
🎨 Color Converter
Convert between HEX, RGB and HSL, and pull a tint/shade ramp from any base color.
🆔 UUID Generator
RFC 4122 version 4 identifiers from a cryptographically secure source.
⏱️ Timestamp Converter
Unix seconds or milliseconds ⇄ readable dates, in both local time and UTC.
Live Unix timestamp (seconds)
📄 Lorem Ipsum Generator
Filler copy for mockups, in paragraphs, sentences or plain words.
📐 Unit Converter
Length, mass, temperature, data size, speed and time.
🌐 Subnet Calculator
Enter CIDR (192.168.1.0/24), an address with a dotted mask, or a bare IP. Handles /31 point-to-point links and /32 hosts correctly.
📍 IP Inspector
Breaks an IPv4 or IPv6 address into every representation, and tells you which special-purpose range it belongs to.
📡 DNS Lookup external
Queries a public DNS-over-HTTPS resolver straight from your browser. The domain you look up is sent to the resolver you pick.
🛰️ My Connection external
Everything below the divider is read locally from your browser. The public IP lookup contacts a third-party service, so it only runs when you press the button.
🔌 Port Reference
Search by port number or service name.