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BlockBlend
What it is
BlockBlend is a free browser tool for generating Minecraft block palettes and building geometric blueprints. Its Circle Generator creates circles, rings, spheres, domes, and cylinders, with block counts, bounding-box details, and layer-by-layer views. Circle outputs can be exported as WorldEdit commands, ASCII blueprints, or JSON. CraftLab provides a library of more than 300 blocks and can generate palettes around moods such as Medieval, Cyberpunk, Fantasy, and Oceanic. Palettes can be previewed in 3D and exported as weighted WorldEdit //set commands. The Free plan is free and includes unlimited palettes, all blocks, WorldEdit export, and community sharing. BlockBlend runs in a browser. The home page lists image-to-palette conversion, schematic import, and map art as coming soon. The privacy policy describes collection of account details such as email, nickname, and auto-generated avatar, as well as page, feature, and device usage information. Google and Discord sign-in are optional. The policy lists rights to access, correct, delete, and export personal data, and says deleted-account data is removed within 30 days.
For and against
For
- CraftLab includes more than 300 blocks.
- Supports circles, rings, spheres, domes, and cylinders.
- Exports blueprints as WorldEdit, ASCII, or JSON.
- Free plan includes unlimited palettes and all blocks.
Against
- Image-to-palette conversion is marked coming soon.
- Schematic import and map art are marked coming soon.
- Coordinate output is not supported.
The verdict
BlockBlend pairs palette generation with geometric blueprints and several export formats. Its browser-based tools cover listed shapes and layer views, while some additional features remain marked as coming soon.
Who it suits
It suits Minecraft builders who want to create block palettes or geometric build plans in a browser, especially those using WorldEdit or layer-by-layer guides. It also offers community palette sharing.
Plans and prices
Free
unlimited palettes · all blocks · WorldEdit export · community sharing
Read 15 Oct 2026 · blockblend.app
On the record
- 3D preview
- Palettes and generated shapes can be previewed in 3D before export.blockblend.app · read 15 Oct 2026
- Account data
- The privacy policy says accounts collect an email address, nickname, and auto-generated avatar, while service usage also collects page, feature, and device information.blockblend.app · read 4 Oct 2026
- Account use
- The palette editor offers a Join to Save Palette flow, indicating accounts are used for saving palettes.blockblend.app · read 15 Oct 2026
- Analytics
- The privacy policy says Google Analytics collects page, feature and device usage information.blockblend.app · read 15 Oct 2026
- API and SDK
- The public pages describe browser tools and file or command exports, without documenting a public API or SDK.blockblend.app · read 15 Oct 2026
- Block library
- The interactive library lists 338 blocks.blockblend.app · read 15 Oct 2026
- Circle generator
- The Circle Generator creates circles, rings, spheres, domes and cylinders.blockblend.app · read 15 Oct 2026
- Color engine
- The color engine generates harmonious palettes from selectable moods such as Medieval, Cyberpunk, Fantasy and Oceanic.blockblend.app · read 15 Oct 2026
- Color model
- CraftLab says its color matching uses the perceptual OKLAB color space.blockblend.app · read 15 Oct 2026
- Color palettes
- CraftLab can generate block palettes based on moods such as Medieval, Cyberpunk, Fantasy, and Oceanic.blockblend.app · read 4 Oct 2026
- Community archives
- The Archives page lets users browse palettes shared by community accounts.blockblend.app · read 15 Oct 2026
- Compatibility disclaimer
- BlockBlend says it is not an official Minecraft product and is not approved by or associated with Mojang or Microsoft.blockblend.app · read 15 Oct 2026
- Data deletion
- The privacy policy says deleted-account data is permanently removed within 30 days.blockblend.app · read 15 Oct 2026
- Data retention
- The privacy policy says account data is retained while the account is active and deleted account data is permanently removed within 30 days.blockblend.app · read 4 Oct 2026
- Data rights
- The privacy policy lists rights to access, correct, delete, and export personal data, and to withdraw consent.blockblend.app · read 4 Oct 2026
- Exports
- The Circle Generator exports WorldEdit commands, layer-by-layer ASCII blueprints, and JSON.blockblend.app · read 4 Oct 2026
- Image conversion status
- Image-to-palette conversion is marked as coming soon.blockblend.app · read 15 Oct 2026
- Layer planning
- Sphere and dome designs can be inspected layer by layer with block counts for each layer.blockblend.app · read 15 Oct 2026
