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Hexcalibur
Pixel art editor with a live 3D preview, in your browser
Hexcalibur is a browser-based pixel art editor for game artists. Paint block textures in 2D and watch them update live on a 3D block, animate sprites on a frame-by-frame timeline, and build tilesets with autotiling. Everything is organized as packs - manage and export a whole texture set as one unit, with engine-aware exports for Minecraft (Java + Bedrock), Tiled, Godot, Unity, Three.js, and Babylon. No install, humans place every pixel. Free to start, Pro when you need more.
Hey Product Hunt! Solo founder here.
Hexcalibur started about a year ago as a tiny web app called HYBRUSH - just a canvas that wrapped your texture onto a spinning 3D cube, built for voxel game devs. This is that idea rebuilt properly: a full pixel art editor with a live multi-shape 3D preview, an animation timeline, and tileset tools with autotiling.
Here's the build story - first commit was May 5, launch was July 12. Ten weeks, one person, 823 commits - the editor plus the marketing site, docs, auth, billing, and cloud sync, built almost entirely with Claude Code. Happy to go deep on that workflow if anyone's curious.
One deliberate product choice: the editor itself has zero AI generation features. It's a paint tool - humans place every pixel. I lean toward AI improving the workflow around the art, not generating the art itself.
It's free to try in your browser, no install. I'd love to hear what you'd want from a browser pixel editor - and if you make game textures or tilesets today, tell me what your pipeline looks like. I'll be here all day.
About Hexcalibur on Product Hunt
“Pixel art editor with a live 3D preview, in your browser”
Hexcalibur was submitted on Product Hunt and earned 0 upvotes and 4 comments, placing #123 on the daily leaderboard. Hexcalibur is a browser-based pixel art editor for game artists. Paint block textures in 2D and watch them update live on a 3D block, animate sprites on a frame-by-frame timeline, and build tilesets with autotiling. Everything is organized as packs - manage and export a whole texture set as one unit, with engine-aware exports for Minecraft (Java + Bedrock), Tiled, Godot, Unity, Three.js, and Babylon. No install, humans place every pixel. Free to start, Pro when you need more.
On the analytics side, Hexcalibur competes within Design Tools, Art and Games — topics that collectively have 380.1k followers on Product Hunt. The dashboard above tracks how Hexcalibur performed against the three products that launched closest to it on the same day.
Who hunted Hexcalibur?
Hexcalibur was hunted by Tom Post. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Hexcalibur including community comment highlights and product details, visit the product overview.
Tom Post