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

DeveloperToolsKit is a comprehensive collection of 35+ free online developer tools that work entirely in your browser, offering text transformations, data format converters, color utilities, encoding tools, and more to boost developer productivity.

• Free

CleanCode Tools provides a suite of free developer tools including JSON formatting, Base64 encoding/decoding, HTML viewing/formatting, time zone conversion, and diff checking with no signup required.

• 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

FreeFormatter offers a comprehensive suite of free online tools for developers, including formatters, validators, converters, encoders, and code beautifiers for various programming and markup languages.

• Free

Turtles Tools offers a comprehensive collection of 100% free, privacy-focused online utilities designed to boost productivity for developers, writers, creators, and general users.

• 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

DevDojo offers a suite of developer tools for creating websites, apps, and blogs, alongside an active community for learning and collaboration.

• Freemium
• From 15$

KodeKite is a comprehensive platform offering over 233 free web development and programming tools, including code generators, design utilities, calculators, and editors to streamline workflows and enhance productivity.

• Free

onury.io hosts a collection of open source projects, experiments, and utilities created by @onury, including tools for access control, documentation generation, video downloading, and more.

• Free

OnlineTool.co provides a comprehensive collection of free online tools including calculators, converters, coding helpers, and generators to simplify daily tasks without requiring downloads or accounts.

• 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

Fancyapps is a comprehensive JavaScript toolkit offering Fancybox, Carousel, and Panzoom components to enhance web development with interactive features.

• Other

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$

Allinone.tools is a comprehensive collection of over 70 free online tools for PDF editing, image conversion, encryption, social media utilities, text processing, and web development, all accessible without sign-up or downloads.

• Free

Hammer for Mac is a native macOS tool that simplifies web development by automating HTML, CSS, and JavaScript workflows with AI integration and one-click deployment to Forge hosting.

• Other

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

Lisperator.net is Mihai Bazon's personal blog and portfolio showcasing various Common Lisp and web development tools, including SLip, Ymacs, and UglifyJS, with a focus on browser-based Lisp environments and JavaScript utilities.

• Free

DevPicker is a comprehensive collection of free web tools and resources for developers and designers, offering utilities for IP checking, password generation, text manipulation, image analysis, and code conversion.

• Free

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

aFreeTools.com is a comprehensive platform offering free web-based calculators, converters, generators, and utilities designed to enhance productivity and creativity for various tasks without requiring registration or downloads.

• Free

myCompiler is an online integrated development environment (IDE) that enables users to edit, compile, and execute code across over 25 programming languages directly in their web browser.

• Other

ToolNexIn is a comprehensive collection of 35+ free online utilities including word counters, JSON formatters, converters, and calculators designed to boost efficiency for students, developers, and professionals.

• Free