Developer Tools

Visual QR code tool for editing URL parameters | Generate + Scan + Smart Cache | 100% offline, completely free

Crun.ai API delivers a unified AI interface, enabling developers and enterprises to access multiple AI models via a single API for text generation, content creation, automation, and intelligent app development. No complex setup required to build AI S

Unified API aggregation platform for the world's leading AI models

Calculate by clicking the number or function keys on this web calculator, or use your keyboard's number keys and arithmetic operation symbols (+, -, ×, ÷) for input.

Advanced AI music generation platform that transforms text, lyrics, or creative ideas into high-quality musical works.

Supercharge your AI experience on Gemini, ChatGPT, Claude, Grok, AI Studio and more! Ophel offers smart outline navigation, session management, a built-in prompt library, and tons of customization options for the ultimate AI workflow.

Open-source framework addressing core AI coding pain points: random unapproved code changes, failure to reuse existing code, and increasingly messy, unmaintainable projects as codebases scale.

No-install browser-based online hardware testing tool focused on input latency and hardware behavior analysis.

An online Android device control tool

Lightweight professional packet capture tool for software development and network debugging

Lightweight AI computing platform, get started with AI in just 5 minutes

Automated Tracking Tool

Lower prices, better value for money. Clear and transparent billing rules, with support for Alipay and WeChat Pay.

Next-Generation Enterprise-Grade AI Application Development Platform

HeyCSS: A collection of CSS style showcases