Best Tools For Web

Browse 52 + Web Tools

online JSON formatting and processing tool with powerful functions

It Tools

Aggregated set of useful tools that every developer and tester may need once in a while.

JS & CSS Minifier

Make your website smaller and faster by minifying the JS & CSS code!

Google Jamboard

A free online collaborative whiteboard app

Text comparator

This simple yet effective tool helps you compare two texts, and reveals the similarities and differences.

Security List

Curated lists of tools, tips and resources for protecting digital security and privacy

Regex Vis

🎨 Regex visualizer & editor

JSON Visio

Visualize your JSON into interactive graphs.

Animate SQL

Online tool to see visualizations of SQL queries.

UI Bakery RegEx Library

A curated list of useful regular expressions for different programming languages.

Violating GDPR?

Enter a URL and this tool will tell you if the website is violating GDPR laws.


An online tool to help you easily generate, test, and refine your regular expressions.

Automated Software Testing...

Unit Testing, Coverage Criteria and Design for Testability.

How to Make Software Fail

Learn how to catch bugs and break software as you discover different testing methods that will help you build better software.


DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).


It scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc

Mozilla Observatory

online tool that you can use to check any website’s header status.


a Ruby regular expression editor


Pythex: a Python regular expression editor

regular expressions 101 is an interactive regular expression console that lets you debug your expressions in real-time.


A Pastebin alternative

Lighthouse Simulator

This tool runs a Lighthouse performance test at a range of different network speeds.

Responsive Viewer

Show multiple screens once, Responsive design tester.

Web Developer Checklist

Chrome and Firefox extension to discover problem areas in websites.


A tool for finding memory leaks in web apps


Unified, cloud-based test automation platform, powered by AI


TestProject is the world's first 100% free test automation platform for Web, Android, iOS and API testing, trusted by over 150,000 users in the testing community.