SealpixelOne edit log, one core, the same image everywhere.

A headless, source-available image editor for the web. The same Rust/WASM core renders in the browser and on the server, so a phone edits a proxy while the server renders the 80-megapixel original from the same log.

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Byte-identical rendering

Browser, Web Worker, AWS Lambda, Deno and Bun run one deterministic binary. Verify any render by hash.

The edit log is the state

A small, validated JSON document holds every intent. Undo, redo, time travel, audit trails and server validation are prefix slices.

Headless first

The core is pure logic with a store. The default UI is optional and themeable. React, Vue, Svelte and Astro bindings are thin adapters.

Open plugin system

Ship operations, a kernel in JavaScript or WebAssembly, and a tool as an npm package. It runs on the client and the server without rebuilding the core.