Pixels made for play.

Real-time 3D preview, pack workflow, and engine-ready exports. Free in your browser.

Free to startWorks in your browserLocal-first

The Hexcalibur editor: a copper-ore block texture being painted on a 16x16 canvas while a live 3D preview cube rotates, with color, palette, and layer panels on the right. — Painting, animating, tile stamping, and engine export inside the Hexcalibur editor.

Built by Axidus.

Axidus is an independent software studio making focused creative utilities for web designers, developers, and game makers - one account, fair pricing, local-first. Here's what's live today, with more on the way.

Hexcalibur

The pixel-art editor for voxel-game block textures.

Pack workflow3D previewEngine-aware exportPalette discipline

Explore Hexcalibur

The Hexcalibur editor: a pixel-art canvas being painted next to a live 3D preview of the painted block.

More on the way.

New creative utilities for designers and developers - same bar, one account, fair pricing across the line.

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Built the way tools should be.

Four standards we hold across every product we ship. No exceptions, no “v2” promises.

Built once. Built well.

Each Axidus utility ships at the level of detail you'd give your own portfolio piece. We'd rather hold a release than push something half-done.

Your files. Your machine.

Your work runs and saves locally first - offline, right in your browser. Cloud backup and cross-device sync come with Pro.

One account, every app.

Flat fees. No friction.

Real free tiers, honest paid ones. No per-seat math, no surprise charges, no fine print - you always know what's free and what Pro adds. The price you see is the work you get.

$0hidden fees

1checkout, ever

100%free to start

Latest news.

Product news, design notes, and the occasional deep dive from the studio.

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July 23, 2026

Best Pixel Art Software in 2026: 10 Tools Compared

Aseprite, Piskel, Pixelorama, Krita, Photoshop and more, with what each one costs, what it is genuinely good at, and where it falls down. Hexcalibur is on the list, limits included.

13 min read

July 15, 2026

How to Make Seamless Pixel Art Textures (3 Ways)

Three ways to make a pixel-art texture tile without visible seams: paint with the repeat on screen, use the classic offset-by-half trick, or convert any texture in one click.

7 min read

July 12, 2026

See Your Block Textures in 3D as You Paint

Hexcalibur mirrors every brushstroke onto a live 3D block, so you catch seams and tiling problems before you export.

6 min read

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