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About Fanta

A place to keep your next idea editable.

Fanta is an independent, local-first design editor. The canvas, readable source and agents meet in the same document, so you can keep shaping the work.

From first idea to the next edit

The first result is just the beginning.

A good idea becomes useful through the details: composition, type, reusable components, feedback and versions.

Fanta brings those decisions into a structured document. Edit it visually, inspect its FNX, or let an agent help with a specific change. Then carry on working with the result.

See the recorded workflows
Editable layersConnected inspectorInterface illustration

Canvas

Make a precise visual edit.

FNX

Read the document behind it.

History

See what changed and recover.

How we build

The details that matter.

These principles guide the editor, the file format and the way outside tools work with a project.

Start with an editable document.

A generated idea still needs typography, layers, layout and careful adjustments. Those everyday editing tools are the foundation of Fanta.

Make the design readable.

FNX gives the visual document a readable source. Follow an edit into the file, review a diff, or make a source change and return to the canvas.

Keep the project in your hands.

Native projects live on your disk. Connected accounts and hosted generation are separate services you choose to use with your work.

Leave a change you can inspect.

Agents work with the document through Fanta MCP. A useful result is an editable change you can review, save and undo.

The story so far

Built from the document outward.

A small team, an open codebase and a product improving through real use.

See what comes next
  1. A familiar problem

    An idea moves between prompts, exports, design tools and code. Every handoff makes it harder to keep the work editable.

  2. A shared document

    Fanta brings the canvas and readable FNX together, with local project files and Git to make changes visible.

  3. More ways to work

    Components, variables, motion, prototypes and agent tools build around that same document. Capability notes explain their current scope.

  4. Public Alpha, available now

    The Apple Silicon release is ready to download. Start with the Launch Card sample, try a bounded workflow and tell us where the experience needs work.

Apple Silicon

The current desktop release

Download and requirements

Open source

Inspect the work in public

Explore the code

Public Alpha

Version 1.0.0 · early, editable, evolving

Capabilities and limits

Keep us close to the work

Build something. Tell us where it gets difficult.

Try the sample, read the capability notes and share a specific workflow. Founder-led support helps turn those details into the next improvements.

Support is part of the alpha

Answers, troubleshooting and a direct line to the team

Installation, credits, local files, privacy, model providers and editor workflows are covered in one practical support center.

Open Support & FAQ