free developer tools for web development - AI tools

ExtendsClass is a free online toolbox offering a comprehensive suite of developer tools, including syntax validators, code formatters, HTTP clients, and data converters, all accessible directly in a browser without installation.

• Free

Angry Tools is a comprehensive collection of free online tools for web and Android development, offering CSS generators, image utilities, text converters, and layout builders to streamline development workflows.

• Free

Liveweave is an online web development environment that provides real-time coding, debugging, and AI-powered assistance for HTML, CSS, and JavaScript projects.

• Free

Cipher Tools Hub offers 30+ free developer tools and production-ready APIs for PDF processing, image optimization, data formatting, and security tasks, with local browser processing for privacy.

• Free

The Tool Labs is a robust online workspace offering a wide range of developer tools, code generators, converters, validators, calculators, and image utilities to enhance coding productivity for developers of all levels.

• Free

Chrome for Developers offers tools, documentation, and resources, including built-in AI APIs like Gemini Nano, to help developers build, test, and optimize websites and web applications.

• Free

TilePieces is an open-source tool that enables users to create and edit HTML files and web projects directly in the browser using familiar HTML, CSS, and JavaScript concepts.

• Free

Charles is an HTTP proxy and monitor that enables developers to view and debug all HTTP and SSL/HTTPS traffic between their machine and the Internet, including requests, responses, and headers.

• Free Trial

My Online Tools offers a comprehensive collection of free online utilities including JSON handling, image editing, data conversion, and games, all optimized for speed and privacy.

• Free

Tool Hub is a comprehensive online toolbox offering free utilities for image processing, text manipulation, file operations, PDF tools, color adjustments, calculations, and development formatting across multiple programming languages.

• Free

toddle is a visual web development framework that simplifies building dynamic UIs with HTML, CSS, and JavaScript. It offers a productive alternative to traditional text editors, empowering developers to create professional web applications efficiently.

• Freemium
• From 29$

Glitch is a collaborative platform offering an in-browser IDE for building, deploying, and remixing full-stack web applications within a supportive community.

• Freemium
• From 10$

DevKnife is a native macOS application that consolidates essential developer tools into a single offline platform, offering JSON editing, HTTP client functionality, data conversion, and more with a one-time payment model.

• Pay Once

Pocket Cursor is a software development company offering custom web development, mobile app development, and cloud solutions, along with free tools like QR code generators and image editors.

• Contact for Pricing

Webacus is a comprehensive platform for web developers, offering a unified suite of tools with an AI assistant to streamline development workflows and eliminate fragmented processes.

• Freemium
• From 3$

Brackets is a lightweight, open-source text editor designed for web designers and front-end developers, featuring live preview and inline editing capabilities.

• Free

Arachnoid.com provides a vast array of free interactive calculators, educational articles, and software tools covering topics from mathematics and physics to programming and 3D printing.

• Free

HTML Wave is a dual-solution web development tool offering a Windows desktop application and online editor with AI-powered templates for professional website building.

• Freemium

IEInspector provides comprehensive HTTP/HTTPS monitoring, debugging, and analysis tools for web developers, including HTTP capture, network timing analysis, and real-time status code assistance.

• Other

Frontend Toolkit offers customizable dashboards combined with AI-powered tools for frontend developers, streamlining daily tasks with a suite of converters, testers, and workflow optimizers.

• Free

Lokal.so is a developer tool that enables sharing local endpoints through Public URLs or .local domains, featuring HTTP Inspection and AI-assisted debugging capabilities.

• Freemium
• From 50$

Float UI offers free, open-source, responsive Tailwind CSS UI components and website templates to help developers build modern websites quickly.

• Free

Editor.do is an online IDE and hosting platform for creating, coding, hosting, and deploying static websites, featuring real-time previews, an AI assistant, and visual building tools.

• Free Trial
• From 4$

Rapid CSS Editor leverages advanced AI assistance to boost productivity in front-end development, offering code generation, modification, and instant multi-browser preview in a lightweight environment.

• Pay Once

Tools-Online.app provides a comprehensive collection of free browser-based tools for developers, designers, and professionals, featuring AI-powered assistance for writing, diagram generation, and code editing across multiple categories.

• Free