DevToolbox

Powerful Go AI powered by KataGo engine. Features real-time analysis, win-rate prediction, and multiple levels.

Online chess game with Stockfish WASM engine, supporting multiple difficulty levels and position analysis

Traditional Chinese Chess (Xiangqi) against intelligent AI

Play Gomoku against AI with various difficulty levels, runs locally in browser

Extract text from images locally in your browser, supports 10+ languages including CJK, no upload needed

Auto generate video subtitles locally in your browser using AI, ensuring your privacy.

Smart image background removal, quickly extract subjects from images

Smart background removal and color replacement for ID photos

Play Othello against AI, test your strategy with this classic board game

Play Checkers against AI, test your strategy with this classic game

Powerful Backgammon AI powered by GNU Backgammon WASM engine with world-class neural network evaluation

Real-time speech recognition powered by Whisper AI. Record from microphone and auto-generate meeting notes, summaries, and action items 100% locally.

Recognize text in PDF documents and export to TXT, supports multi-page processing and 10+ languages, runs locally