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JSON Validator & Syntax Checker

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Professional JSON validation and formatting tool with real-time error detection, syntax highlighting, and advanced formatting options. Perfect for developers who need to validate and clean up JSON data.

★ 9 Last Updated: 2025-05-29 onlinestool.com
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Jules - Google's AI Coding Assistant for Automating Development Tasks

Jules is Google's AI-powered coding assistant designed to automate routine development tasks such as bug fixes and version updates. Integrated with GitHub and powered by Gemini 2.5 Pro, Jules operates asynchronously to enhance developer productivity

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Open Lovable – Open Source AI-Powered Website-to-React Converter

Open Lovable is an open-source project by Mendable AI that lets developers clone any website and convert it into a React app using AI, powered by Firecrawl, Groq/Moonshot AI, and E2B sandbox. Free, self-hosted, and privacy-friendly.

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Kiro – Agentic AI‑powered IDE for Spec‑Driven Development

Kiro is an agentic AI-powered IDE from AWS that uses spec-driven workflows, agent hooks, multimodal context, and transparent diffs to help developers move from prototype to production efficiently. Preview is now available.

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Lingma by Alibaba Cloud – AI-Powered Coding with IDE and Plugin Support

Lingma is an AI-powered coding assistant developed by Alibaba Cloud. It supports both plugin-based integration with VS Code/JetBrains and a newly launched standalone IDE for Windows and macOS. With intelligent code generation, error debugging, cross-file refactoring, and enterprise-level deployment, Lingma helps developers write better code faster—especially in Chinese-language development environments.

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OpenRouter - A unified interface for LLMs

OpenRouter is a unified interface that provides access to a wide range of large language models (LLMs) from various providers, including both proprietary and open-source models. It offers better prices, improved uptime, and does not require a subscription.

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OpenAI Platform

Playground is an online interactive tool provided by OpenAI for testing and exploring the capabilities of its language models (such as GPT-3.5, GPT-4, GPT-4o). It is particularly suitable for developers, content creators, product managers, and anyone who wishes to interact with AI models without writing code.

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