Anvil UI vs McpeTool

Anvil UI is a web-based visual editor for Minecraft Bedrock JSON UI. It loads a resource pack’s JSON UI files, textures, namespaces, and dependencies so users can build interfaces on a canvas without writing JSON. Changes render instantly in a preview that reproduces anchors, nine-slice elements, fonts, and bindings. The editor supports panels, grids, sliders, scroll views, custom renderers, inheritance, interactive states, bindings, and Bedrock animations. Users can create Server Forms, Chest UIs, HUDs, or custom screens from a blank page or template, then save buttons, cards, and menus in a reusable library. The Free plan costs nothing, billed forever, with unlimited UI projects, the full visual editor, live Bedrock preview, and three cloud packs. Creator costs €12 a month, billed monthly, and adds JSON, PNG, and payload exports, full JSON code, premium updates, and up to 50 cloud packs. Founder's Lifetime costs €249, paid once, billed one time, with Creator features forever and up to 100 cloud packs.

McpeTool is a free, offline utility for reading and writing Minecraft Bedrock Edition world data. Its command-line interface and local HTTP API provide get, put, and delete operations. Database commands list, retrieve, write, and delete key/value pairs in a world’s LevelDB store. Level-data commands retrieve or replace level.dat contents using JSON, YAML, hex dump, base64, or binary formats. NBT data can be converted to JSON and YAML, and relevant commands accept or produce base64 and binary data. The API starts a local HTTP server and handles GET, PUT, and DELETE requests for database keys. The tool runs on Linux, macOS, and Windows and can be self-hosted or used through its API. It is MIT-licensed and intended as a basic access layer for people building more capable world editors. McpeTool cannot be used while Minecraft is running the world because LevelDB allows only one process at a time. The maker calls it a work in progress, says input validity is not currently checked, and advises backing up worlds before changes.