Anvil UI vs bridge.

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.

bridge. is an IDE for creating Minecraft Bedrock behavior packs, resource packs, skin packs, and world templates. It sets up projects with their required files and configuration, and supports every file type Minecraft accepts for Add-Ons. Users can work in text or tree editors; dynamic completions and schema validation help with file editing, while the tree editor is recommended for people with little JSON knowledge. Previews cover models, textures, animations, collision boxes, entity seats, and particle effects without opening Minecraft. The built-in Dash compiler supports plugins, and the extension API and store allow community tools, editors, viewers, presets, themes, and compiler plugins. Packs and worlds can sync to Minecraft’s com.mojang folder, while projects are stored elsewhere by default. The installed web app works offline. It is free and open source under GPL-3.0, with web, Windows, macOS, Linux, iOS, and Android versions. On mobile, projects must be downloaded to fully save progress because mobile browsers lack a required API.