SQL Online Runner & Formatter
Browser-based SQL lab powered by SQLite WASM. Supports live execution, code formatting, and various database operation examples.
Go AI (KataGo)
Powerful Go AI powered by KataGo engine. Features real-time analysis, win-rate prediction, and multiple levels.
AI Chess
Online chess game with Stockfish WASM engine, supporting multiple difficulty levels and position analysis
Xiangqi AI
Traditional Chinese Chess (Xiangqi) against intelligent AI
Gomoku AI
Play Gomoku against AI with various difficulty levels, runs locally in browser
Resumify - Resume Builder
Professional and simple online resume builder with PDF export
IP Lookup
Lookup your public IP address information and geographic location
Screen Recorder
Online screen and audio recorder supporting full screen, window, or tab capture.
Video Editor
Professional online video editor with multi-track support, splitting, joining, and exporting.
Media Player
Professional online media player supporting MP4, WebM, MP3, FLAC and more, with fullscreen, PiP, speed control
Media Converter
Convert audio/video formats in browser. Supports MP4, WebM, AVI, MOV, MKV, MP3, WAV, FLAC, AAC and more
Archive Tool
Compress and extract ZIP, GZIP archives online, entirely in your browser for privacy
Video Auto Subtitle
Auto generate video subtitles locally in your browser using AI, ensuring your privacy.
Weather Query
Real-time weather forecast and air quality for global cities
Scientific Calculator
Casio-style online scientific calculator supporting various math operations
JS Code Sandbox
Online HTML/CSS/JS sandbox with React, Vue, Tailwind support and console output
RISC-V Simulator
High-performance RISC-V ISA simulator with real-time assembly debugging and execution.
Exam Cheatsheet Maker
Online tool to create exam cheatsheets by automatically arranging text to maximize space, supports PDF export.
Othello AI
Play Othello against AI, test your strategy with this classic board game
Checkers AI
Play Checkers against AI, test your strategy with this classic game
Backgammon AI (GNU)
Powerful Backgammon AI powered by GNU Backgammon WASM engine with world-class neural network evaluation
Online Code Compiler
Locally execute Python, JavaScript, C/C++, Ruby, PHP using WebAssembly. Write, compile, and run code directly in your browser.
Typing Speed Test
Professional online typing practice and speed test tool. Supports English/Chinese, multiple modes, and real-time accuracy statistics.
Real-time Speech to Text (Whisper)
Real-time speech recognition powered by Whisper AI. Record from microphone and auto-generate meeting notes, summaries, and action items 100% locally.
Timer & Countdown
All-in-one timer: real-time clock, stopwatch, and countdown — all with fullscreen support