Look up MIME types for common file extensions. Everything runs locally in your browser — nothing is uploaded.
Look up Common Vulnerabilities and Exposures (CVE) by ID or keyword search. Everything runs locally in your browser — nothing is uploaded.
Discover subdomains for a given domain using common wordlists and patterns. Everything runs locally in your browser — nothing is uploaded.
Look up service names for TCP/UDP port numbers — well-known (0-1023), registered (1024-49151), and dynamic/private (49152-65535) ranges. Includes 25+ common services.
Lets you drag a selection rectangle to crop an image to any pixel dimension, common social-media ratio (1:1, 16:9, 4:5), or exact preset sizes. Everything runs locally in your browser — nothing is uploaded.
Generates random MAC addresses in six common formats with optional OUI prefix. Supports Unix, Windows, Cisco, and dot-separated styles.
MIME Type Finder lets you look up MIME types for common file extensions. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Look up MIME types for common file extensions. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, MIME Type Finder runs entirely on your device with no internet connection needed. All processing is done locally.
Look up MIME types for common file extensions. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
Port Number Lookup
Look up service names for TCP/UDP port numbers — well-known (0-1023), registered (1024-49151), and dynamic/private (49152-65535) ranges. Includes 25+ common services.
HTTP Status Code Checker
Look up HTTP status codes by number — view description, label, and response class (informational, success, redirect, client error, server error).