Check website HTML and status
Debug websites by checking online status and CMS/technology. Validate HTML and CSS for W3C compliance. Inspect elements, view DOM tree, and examine HTTP headers. Retrieve DNS records and Whois information.
Showing 141–160 of 1,000 ranked alternatives.
Jinan Matrix Information Technology Co., Ltd.
Debug structures in real time
Learn linear structures like arrays, linked lists, queues, and stacks. Explore tree structures including binary trees and binary search trees. Dynamically debug structures and visually observe changes during operations.
dosoft limited
Connect securely with one click
Connect to a secure VPN with one click. No registration is needed. Use strong encryption for privacy. Access 1000+ servers worldwide. Enjoy fast connections with unlimited traffic and bandwidth.
Ha Do Thi Thu
Calculate resistors, voltage, and capacitance
ElecKit provides tools for calculations. Users can calculate resistor values with 4/5 band codes and tolerance. It includes Ohm’s Law functions for voltage, current, resistance, and power.
Serhii Smyk
Capture color from camera or photos
Select colors from photos or via camera. Convert colors between RGB, HEX, CMYK, and other formats. View CSS and RAL color lists. Test for color blindness. Save and edit color values. Supports Afrikaans, Arabic, and Bangla.
国强 钱
Collect for developers
Reference "Access for programming languages like PHP, JavaScript, and Python. Find guides for tools such as Git, Mercurial, and Subversion. Includes HTML, CSS, and SQL syntax references along with color codes and character entities."
Ali Mert TUFEKCI
Simulate circuits and test designs
Simulate circuits using components like AND, OR, NOT gates, flip-flops, and multiplexers. Build and test circuits with drag-and-drop components. View output through monitors and adjust inputs manually. Save and share designs.
LE SANG
Write and test instantly
Enables typing and testing directly on iPhone or iPad. Supports syntax highlighting and auto-suggestions for multiple programming languages. Includes quick pop-up for operators and customizable themes for light and dark modes.
INNOVATIVE DIGITAL TECHNOLOGIES LIMITED
Host files and create webpages locally
Create and host local web pages from an iOS device. Edit code with syntax highlighting for multiple languages. Share files across a network. Save files with any extension for seamless continuation on a computer.
Faisal Memon
And build web apps
& Web Development allows users to study HTML, CSS, and fundamentals. They can progress to advanced topics like React and modern web development. The enables coding practice, project building, and skill tracking.
Zeb Zhao
Edit code, commit changes, run projects
Edit and run JavaScript projects with code completion for HTML, JavaScript, and CSS. Access files locally, search across projects with filters, and use code snippets.
安帮 潘
Detect devices and inspect spy equipment
Identify and locate connected devices in real-time. Display all networked devices and differentiate between safe and suspicious ones. Inspect Wi-Fi devices to lost gadgets. Provide guidance to prevent unauthorized camera access.
Brian Enigma
Solve puzzles, track clues, decode codes
Access codebreaking tools like decoder rings and countdown timers. View reference material on word frequency, morse code, and semaphore. Includes links to hunts, ARGs, and transmedia storytelling resources. Supports iOS 7.
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