Top Voted Tools by Category

Increase model velocity and improve AI outcomes with Arize's AI and ML observability platform. Discover issues, diagnose problems, and improve performance.

Experience Nano Banana, Google's most advanced AI image generation tool. Create stunning visuals with Gemini 2.5 Flash technology. Free online access, instant results, professional quality. Try now!

Chat with Millions of AI Chatbots! Bring your favorite characters from shows, anime, and manga to life. Create and customize your own characters.

MixHub AI is a development tool available at https://mixhubai.com

Fast Image AI is a development tool available at https://fastimage.ai

sora2 video generator is a development tool available at https://sora2videogenerator.com

asmr videos is a development tool available at https://asmrvideos.io

Online JSON Viewer - Convert JSON Strings to a Friendly Readable Format, View JSON in table or Grid

ApyHub: A Modern API Platform to streamline API Development, Testing and Management. Take your API game to the next level with ApyHub.

A collective list of free APIs for use in software and web development

Analyze any website’s SEO performance with one powerful API. Get 10+ endpoints covering on-page SEO, speed, backlinks, and more. Fast. Scalable. Developer-friendly.

Open-Source HTTP Interceptor to Intercept and Modify HTTPs Requests. Redirect URLs, Modify HTTP Headers, Mock APIs, Inject Scripts, Modify GraphQL, etc.

JSON Viewer Tool Free is a development tool available at https://jsonviewertool.com

Autumn is the easiest and most flexible way to set up your app's pricing model. With 3 functions, you can integrate Stripe payments, track usage limits, control feature entitlements, credits, add-ons & much more.

With Smartlook website analytics get a deep understanding of user behavior on your website. Use recordings, heatmaps, events & funnels to get to the insights.

Morelinq is a tool that can be used to transform cryptic links by shortening URLs efficiently, sharing file links effortlessly and QR code links with stunning skins.

Monitor what LLMs recommend in web search results

DevToys is a cross-platform Swiss Army knife for developers. DevToys helps in daily tasks like formatting JSON, comparing text, testing RegExp. No need to use many untruthful websites to do simple tasks with your data.

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Generate massive amounts of fake (but realistic) data for testing and development.

Create, Subscribe, Notify All in One Place

Stirling is the intelligent, open-source PDF application used by millions. Read, create, and edit PDFs securely in any environment. Use it online, offline, through desktop apps, self-hosted or API.

Helps you create requests faster, saving precious time on development.

The html to pdf platform for developers

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In-browser Postgres sandbox with AI assistance

Stop wasting time on manual deployments. DeployHQ provides a complete solution for automating your deployments, with support for multiple servers, branching strategies, and integrations with popular tools. Focus on building great software, and let DeployHQ handle the rest.

Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software

Create professional-quality music with Musci's AI-powered audio tools. Generate original songs, lyrics, vocal stems, and remixes from text prompts or audio files.

Online database entity-realtionship diagram editor, data modeler, and SQL generator. Design, visualize, and export scripts without an account and completely free of charge.

Professional startup data analysis platform! Discover 30K+ AI startup projects, 50K+ Reddit startup ideas, 10K+ startup revenue data. Data-driven entrepreneurship decisions to boost your startup success rate by 90%. Get free startup opportunity insights!

A visual editor for shadcn/ui components. Currently in beta with button component support. Customize and export beautiful components with ease.

ColorHub | Find the perfect color palette for your next project

Create and customize beautiful Tailwind CSS color palettes. Generate, edit, and export colors for your design with our intuitive color generator tool.

Customizable components for building AI chat apps, faster.

A Collection of dark and light theme toggles, built with SVG's driven by CSS transitions. This dark mode switches library comes with official React support

PlayCanvas React: Full featured 3D for React

Explore the world wide web of fonts

Welcome to the world's largest container registry built for developers and open source contributors to find, use, and share their container images. Build, push and pull.

From planning to production, bring teams together in one application. Ship secure code more efficiently to deliver value faster.

Ensure 24/7 uptime with SIOPS. Get real-time alerts, track performance, and prevent downtime. Reliable monitoring for small businesses & IT teams!

Nextra is a framework built on top of Next.js that enables the creation of content-focused websites. It combines the robust features of Next.js with enhanced capabilities for crafting Markdown-based content.

Track Changes, Simplify Updates. Chxngelog provides hosted changelogs and a seamless API to make update tracking straightforward.

Forget building and maintaining your own custom docs platform. With GitBook you get beautiful documentation for your users, and a branch-based Git workflow your team will love.

A Chrome extension for managing and organizing tabs

A simple CSS property viewer.

Browser Dev Tools for Turbo and Stimulus. Contribute to leonvogt/hotwire-dev-tools development by creating an account on GitHub.

WhatFont is in the same realm as ColorZilla. you may see a font that you really like and wany to use and instead of digging through the sites CSS files, you can just use this extension to find out which font is being used.

Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.

A Chrome extension `Form Troubleshooter` for identifying and resolving common form issues, ensuring smoother form functionality and user experience.

Dark Reader is a popular extension allowing you to enable dark mode on any website. It's easier on your eyes and it's also great for web developers because you can see how your site looks in dark mode.

ColorZilla is a color picker and gradient generator that you can use to get the color of any pixel on a webpage

Auto Clicker for Mac is a development tool available at https://autoclickace.com/?utm_source=freetool.vercel.app&utm_medium=directory

Quick copy text snippets from library

Flash UI is a lightning-fast component library designed for developers. Build stunning interfaces effortlessly with our ready-to-use, copy-paste components. Simplify your workflow, enhance user experience, and accelerate your project’s development seamlessly!

FlyonUI is the easiest, free and open-source Tailwind CSS components library with semantic classes.

Shadcn Form Builder

Discover 20+ free online developer tools for productivity, design, and development. SVG icons, SVG Editor, Post Enhanacer, YouTube tools, and more. Boost your workflow instantly!

Turn your code into beautiful images. Choose from a range of syntax colors, hide or show the background, and toggle between a dark and light window.

Javascript animation engine

EldoraUI offers a collection of open-source Tailwind CSS components for building responsive and modern UIs effortlessly.

Generate CSS clamp() function which effortlessly scales a value between two points, all in response to varying view widths. This calculator computes CSS clamp() function using the minimum and maximum view width points, ensuring your content dynamically adapts to different screen sizes with ease. Embrace the power of flexibility and responsiveness to create an optimal user experience across devices.

Beautifully designed components built with Ark UI and Panda CSS that work with a variety of JS frameworks.

ShadcnUI provides beautifully designed and accessible components you can copy and paste directly into your apps, with full customization options.

Track user behavior, page views, and more with our easy-to-use analytics solution. Gain actionable insights to optimize your website's performance.

A collection of powerful productivity tools all within an extendable launcher.

User management, authentication, 2FA/MFA, prebuilt UI components for sign-in, sign-up, user profiles, and more. Free up to 10,000 monthly active users

Empower the web community and invite more to build cross-platform apps

See how ChatGPT, Claude, and Gemini recommend your brand. Get comprehensive AI search visibility reports for your business.

Automatically generates beautiful and easy-to-read ER diagrams from your database.

Dub is the modern link attribution platform for short links, conversion tracking, and affiliate programs.

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

vim out of the box

Turn videos into LivePhotos, animate static images with AI, create LivePhoto wallpapers, and convert between GIF and LivePhoto formats easily.

Create and edit Mermaid diagrams instantly with our free online viewer. Collaborate in real-time, export to multiple formats, and optimize your workflow.

StackBlitz is a collaborative, browser-based IDE for web developers. It eliminates the need for lengthy local setup and configuration, allowing developers to focus on building. This online IDE provides instant development environments, supporting various frameworks and technologies. Features include real-time collaboration, built-in version control, and easy deployment. StackBlitz streamlines the development workflow, saving developers valuable time and effort.

Replit is an online IDE and collaborative coding platform. It allows developers to build, deploy, and collaborate on projects in various programming languages. Replit offers built-in AI assistance for coding, making development faster and more efficient. Its online nature eliminates the need for local setup, allowing for easy collaboration and accessibility. The platform supports a wide range of programming languages and frameworks, making it suitable for diverse development needs. Features like real-time collaboration, integrated version control, and seamless deployment make Replit a powerful tool for both beginners and experienced developers.

AI Convert Hub Online is a development tool available at https://aiconverthub.com

Edit and animate all our customizable illustrations to enhance your projects totally free. Start now to be creative in our online editor ✅

ChatGiraffe is a development tool available at https://www.chatgiraffe.ai

Mobile UI components built with Tailwind CSS

Upload your pre-release build, share with testers, get feedback and make your app better. For both iOS & Android. Seamlessly integrate with your CI/CD tools.

Stunning status pages, batteries included! Contribute to rajnandan1/kener development by creating an account on GitHub.

Open Tech Explorer helps you uncover the technologies behind any website. Real-time tech stack discovery powered by the community. Try it at openexplorer.tech.

Discover Kommunitas: Your community-driven crypto platform for earning free tokens, staking rewards, and exclusive IDO launches. Join a supportive ecosystem built for crypto enthusiasts.

An open-source tool for finding alternative web

Craft beautiful emails effortlessly with Maily, the powerful email editor that ensures impeccable communication across all major clients.

Talk with Claude, an AI assistant from Anthropic

From events, hackathons, newsletters to channels, forums and page builder, Commudle is an all-in-one solution to build your enterprise or individual led developer communities. For individual developers, it's the go to ecosystem to showcase your achievements and build a strong network.

Discover detailed information about npm packages.

It mixes your text string with numbers by keeping readability. 2 styles avilable now!

Animated icons that move with intent.

AI Convert Hub is an online file conversion and compression platform for video, audio, and images, built for speed, control, and security, supporting 200+ formats (MP4/MOV/WEBM/AVI, MP3/WAV/AAC/FLAC, JPG/PNG/WEBP/AVIF/HEIC/RAW), running in the browser with no software install, handling batch uploads or folders in one drag-and-drop flow, using a distributed pipeline and AI-tuned compression to keep quality high while shrinking size, with transfers protected by 256-bit SSL and optional post-processing cleanup to ensure privacy, offering power users codec-aware controls such as video codec, resolution, CRF/bitrate, frame rate, pixel format, profile, and preset; audio codec, bitrate, sample rate, channels, VBR; image resize and quality; plus custom command parameters, with a free tier up to 1GB to help creators, developers, and teams convert or compress 4K/HD video, podcasts and music, or web-ready images fast, featuring dedicated video/audio/image converter pages, a 200+ format library for from/to routes, multi-language and light/dark modes, clear status indicators for uploading, queued, processing, and finished tasks, and one-click CTAs to add more files, clear all, and download results, while SEO-friendly positioning highlights “online file converter,” “video converter,” “audio converter,” “image converter,” “batch converter,” “file compressor,” and “200+ formats,” emphasizing fast, secure, and quality-preserving conversion in the browser.

Best lyrics to song AI generator. Transform lyrics to song instantly with professional vocals and instruments. Free lyrics to song converter turns text into complete music. Convert lyrics to song online with our advanced lyrics to song technology.

Fast, accurate, and private speech-to-text. Use voice to write clean & natural text, contextually adjusted to every app. Powered by Avalon, the world’s most advanced transcription model.

Google is a development tool available at https://google.com

Allora is a comprehensive platform designed to streamline project management, invoicing, and time tracking for freelancers and small businesses. With a focus on automation and multi-chain support, it simplifies both crypto and fiat invoicing while ensuring compliance and efficiency.

Manage tasks, organize links, take notes, and track time—all in one place. Create to-dos, schedule tasks, log hours, analyze productivity, and optimize your time

Manage tasks, organize links, take notes, and track time — all in one place.

Fast, scalable infrastructure for tracking events. Powered by ClickHouse and Kafka.

Discover Web Tools is a comprehensive platform offering a wide range of free tools for web developers, designers, and digital marketers. With tools for code formatting, SEO optimization, media editing, and security analysis, it helps streamline workflows and improve productivity. Regularly updated and maintained, it aims to be an all-in-one resource for digital professionals.

Vaulto makes organizing and accessing your bookmarks simple and efficient. Save your favorite links, search them easily with full-text and AI-powered search, group bookmarks for better organization, and create shared bookmark lists. Everything you need to manage your online content, all in one place.

Welcome to PageTools, your destination for free AI tools to ramp up your online social presence.

ProfileMe.dev | Create an amazing GitHub profile in minutes

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

Welcome to Raziel Rodrigues' website. Explore web development projects, insights, and technical expertise.

Middleware's observability platform gives you complete visibility into your tech stack to monitor and diagnose issues at scale with total control over your data.

Keploy is an AI-powered tool that generates test cases and mocks/stubs for unit, integration, and API testing, helping developers achieve 90% test coverage in minutes. With open-source automation and enhanced test reliability, Keploy simplifies testing workflows.

Free crawlability test for Googlebot, Bingbot, ChatGPT-User, Claude, and Perplexity. See if your robots.txt or server settings are blocking important crawlers.

Test CORS on your API URL with this online CORS Tester. Verify CORS policies, check headers, and get actionable insights to fix issues. Ensure cross-origin resource sharing works effortlessly!

FakeData is a simple and fast app that allows you to generate realistic data for testing, development, and simulations.

Keploy is an AI-powered tool that generates test cases and mocks/stubs for unit, integration, and API testing, helping developers achieve 90% test coverage in minutes. With open-source automation and enhanced test reliability, Keploy simplifies testing workflows.

UnusedCSS is an online tool to remove unused CSS rules. It will check your pages, find unused CSS and let you download a clean CSS file.

Manage browser local storage effortlessly with our powerful extension. Edit, export, and sync data across profiles. Perfect for developers and testers.

TinyWebP is a lightweight tool to convert JPG, PNG, GIF, and more to WebP format with ease.

Scrambl.it is a fast, modern collection of online tools for developers and everyday users. It combines practical utilities - like hash generators, JSON formatters, regex testers and text encoders/decoders - with educational sections that explain how each tool works and when to use it. Built as a PWA, Scrambl.it runs smoothly in your browser or offline, giving you instant access to reliable developer utilities. The platform focuses on speed, simplicity and learning - helping you not only get results, but also understand the logic behind every process.

Create a beautiful image of your source code to share on social media instantly. Simply copy and paste your code to make a shareable image.

Professional developer & security tools suite: format JSON, generate passwords & hashes, encode/decode data, obfuscate text. 100% free, offline, secure.

TinyWebP is a lightweight tool to convert JPG, PNG, GIF, and more to WebP format with ease.

Compress your images online for free. Reduce file size by up to 80% while maintaining quality. Support for JPEG, PNG, WebP, AVIF formats. Batch processing, format conversion, and preview features. Fast, secure, and easy to use.

Access 12+ free online calculator tools including subnet calculator, percentage calculator, exchange rate converter, unit converter, date calculator, steps distance calculator, and more. Fast, accurate, and easy to use.

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

iLovePDF is an online service to work with PDF files completely free and easy to use. Merge PDF, split PDF, compress PDF, office to PDF, PDF to JPG and more!

Easily generate customizable GitHub issue templates for your projects with our user-friendly tool.

Where teams git the right context for coding agents on every task. (edited)

AI Email Composer is a development tool available at https://tools.lavx.hu/tools/ai-email-composer

GitHub - f git-rewrite-commits is a development tool available at https://github.com/f/git-rewrite-commits

AI Content Summarizer is a development tool available at https://tools.lavx.hu/tools/ai-content-summarizer