User Agent Parser
About User Agent Parser
Parse any User-Agent string to identify the browser, operating system, device type, and rendering engine. Decode User-Agent headers from HTTP logs, analytics data, or any source to determine whether the client is Chrome, Firefox, Safari, Edge, or a bot. Supports desktop, mobile, and tablet UA strings.
More Developer tools
BASE64 Encoder
Encode text to Base64 and decode Base64 strings back to plain text online. Base64 encoding is widely used in data URIs, email attachments (MIME), API authentication tokens, JSON Web Tokens (JWT), and embedding binary data in text formats like XML and JSON. Supports standard Base64 (RFC 4648) encoding and decoding. Fast, free, and works in your browser.
UUID Generator
Generate universally unique identifiers (UUID) in version 4 format. UUIDs are 128-bit identifiers used as primary keys in databases, session tokens, file names, and distributed systems. Each generated UUID is guaranteed to be unique. Also known as GUIDs (Globally Unique Identifiers). Free, instant, and no sign-up required.
JSON Formatter
Format, prettify, and validate JSON online. Paste minified or unformatted JSON and get a clean, indented, human-readable version. Instantly identify syntax errors and validate JSON structure. Also supports JSON minification for production use. Essential tool for API development, debugging REST responses, and working with configuration files.
Code Minifier
Minify HTML, CSS, and JavaScript code online. Remove whitespace, comments, and unnecessary characters to reduce file size and improve page load speed. Minified code is smaller, faster to transfer, and harder to read — ideal for production deployments. Supports HTML, CSS, and JavaScript minification in one tool.