Encode and decode URLs, look up IP addresses, parse user agent strings, build UTM tracking links, and reference HTTP status codes. Essential web utilities for developers and marketers.
60+ HTTP status codes with cause, fix steps, and MDN links
Lookup IP or domain geolocation & network info
Build URL query strings with encoding & fragment support
Parse any UA string — browser, OS, device, bots & more, instantly
All tools run entirely in your browser. No files are uploaded to our server.
Discover more tools for different needs
Compress, convert, and optimize images for blazing-fast websites. All processing happens securely in your browser.
Format, minify, and validate your code. Perfect for developers working with JSON, HTML, CSS, and JavaScript.
Create stunning gradients, perfect color palettes, and test contrast. Built for designers who care about details.
Optimize meta tags, preview search results, generate QR codes, and boost your search rankings.
Convert between formats instantly. JSON to CSV, timestamps, color codes, units, and Base64 encoding.
Generate CSS code visually. Gradients, box shadows, flexbox, grid layouts with live preview and copy-ready code.
Manipulate text easily. Case converter, word counter, slug generator, and lorem ipsum placeholder text.
Generate secure passwords, create cryptographic hashes, produce unique UUIDs, and decode JWT tokens.
Merge, split, compress, convert, and edit PDF files — all inside your browser. No uploads, no installs, 100% free.
Everything you need to know
We offer a User Agent Parser, IP Address Lookup, HTTP Status Code Reference, and Query String Builder — essential tools for web developers and network professionals.
Paste any user agent string (from server logs, browser headers, etc.) and our parser identifies the browser name, version, operating system, device type, and rendering engine.
Yes. Enter any IPv4 or IPv6 address to get its geolocation, ISP, ASN, timezone, and country information. Useful for debugging, analytics, and network troubleshooting.
It covers all standard HTTP status codes (1xx–5xx) with descriptions, common causes, and how to fix errors — a quick-reference guide for developers building and debugging web services.
Most utilities (user agent parser, HTTP reference, query string builder) are fully client-side. The IP lookup tool makes an anonymized API request to fetch geolocation data for the IP you enter.
While you use our free tools, let us build your professional website. Fast, affordable, and hassle-free.