Webmaster Tools
A free online collection of utilities for web developers — check site status, convert files, generate passwords, and more.
| What is it | A free online collection of utilities for web developers — check site status, convert files, generate passwords, and more. |
|---|---|
| Pricing | Free |
| Free tier | Yes |
| Platform | Web Application |
| Best for | Checking if a website is online and its SSL certificate is valid, Converting data between formats like JSON to CSV or RGB to HEX |
| Domain registered | 2022 |
Data updated Aug. 1, 2026
What does Webmaster Tools do?
Webmaster Tools is a free, browser-based collection of utilities designed for web developers and site administrators. It provides a straightforward hub for common tasks like checking if a website is online, verifying SSL certificates, finding your IP address, and decoding shortened URLs. The tools are organized by function, making it easy to find what you need without installing separate software.
The service stands out by grouping dozens of specific tools into one accessible place. You can convert files between formats (JSON, CSV, XML, various image types), generate and test passwords, create QR codes, minify HTML/CSS/JS code, and extract data like emails or URLs from text. Many of the tools perform instant, client-side processing, which means your data often doesn't need to be sent to a server.
This toolkit is most useful for developers managing websites, content creators working with different file formats, or anyone who needs quick access to technical utilities. Real-world uses include a developer quickly checking a site's HTTP headers for debugging, a designer converting image formats for a web project, or an admin generating a secure password for a new account—all without leaving the browser.
Key features
What makes it stand outWho is Webmaster Tools for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardWebmaster Tools
- Website Status Checker
- User Agent Finder
- IP Checker
- URL Unshortener
- SSL Checker
- QR Generator
- QR Code Reader
- HTTP Headers Parser
- UUID v4 Generator
- YouTube Thumbnail Downloader
- Redirect Checker
- Random Number Generator
- RGB to HEX Converter
- HEX to RGB Converter
- Text to Binary
- Binary to Text
- Text to Base64
- Base64 to Text
- Image to Base64
- Markdown to HTML
- HTML to Markdown
- CSV to JSON
- JSON to CSV
- JSON to XML
- XML to JSON
- JSON Beautifier
- JSON Validator
- JPG to PNG
- JPG to WEBP
- PNG to JPG
- PNG to WEBP
- WEBP to JPG
- WEBP to PNG
- Image Compressor
- Image Resizer
- Length Converter
- HTML Code Editor
- Speed Converter
- Temperature Converter
- Weight Converter
- Password Generator
- Password Strength Test
- MD5 Generator
- SHA Generator
- Bcrypt Generator
- Hash Generator
- Word Count
- Lorem Ipsum Generator
- Duplicate Lines Remover
- Line Break Remover
- Email Extractor
- URL Extractor
- SEO Tags Generator
- HTML Tags Stripper
- HTML Minifier
- CSS Minifier
- JS Minifier
- HTML Formatter
- CSS Formatter
- JS Formatter
- JS Obfuscator
- htaccess Generator
- Source Code Downloader
- Text Replacer
- Case Converter
- Text to Slug
- Count Down Timer
- Stop Watch
- Scientific Calculator
- World Clock
- Wheel Color Picker
- Virtual Coin Flip
- Text Repeater
- Aim Trainer
- Paste and Share Text
- Domain Generator
- IP to Hostname
- Hostname to IP
- IP Information
- HTTP Status Code Checker
- DNS Lookup
- Open Port Checker
- BMI Calculator
- GZIP Compression Test
Trust & presence
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