Tools, apps and games that run straight in the browser. No sign-in, no upload, no newsletter. Type what you need below.
Encode and decode Base64, URL, HTML entities, binary, ROT ciphers, and Punycode
Convert files to Data URL format for embedding in HTML/CSS/JS
Chat with any AI provider or custom endpoint. Bring your own key, auto-discover models, attach images to vision models — config in localStorage, chats cached locally.
Play chess against an AI opponent with three difficulty levels. Full rules including castling, en passant, and promotion.
Encode and decode text using RFC 4648 Base32 with padding
Encode text to binary, hex, decimal, or Base64 and decode it back with custom separators
View, inspect, and compare 3D models with multi-model support. Supports GLB, GLTF, OBJ, STL, FBX.
Command your defenses against waves of enemies. Place towers, upgrade with branching paths, and survive the boss.
Generate MD5, SHA-1, SHA-256 hashes
… 384 more see all
Combobox, Meter, NumberField, Field and friends moved into @ggcoder.com/ui-components.
Layer tree, solo/isolate, per-group export, zoom and pan, PNG to clipboard.
2048, wordle, tetris, snake and friends merged into one entry each with mode switches.
last change