Codcel
Turn Excel Into
Production-Ready Software
- in Minutes

Instantly convert your complex Excel spreadsheets into real, maintainable code — in Rust, Python, Java, C#, JavaScript/TypeScript, Go, Swift, and more. Generate full apps — UIs, REST APIs, and MCP servers — all with clean, human-readable source code your developers can trust and your business can control.

DownloadFree for non-commercial use

Codcel is what low-code should have been. Excel in, real source code out.

Built for serious engineering teams

A new generation of low-code, without the limits, lock-in, or black boxes.

Business teams keep working in Excel — the tool they already trust. Codcel translates their logic into clean, human-readable source code that your developers can own completely — versioned, reviewed, tested, and deployed like any other service.

1Real, production-grade source code.
Generate readable code in Rust, Python, Java, C#, Go, Swift, TypeScript and more — with no proprietary runtime. Commit it, review it, test it, ship it anywhere.
2Zero platform lock-in.
Codcel doesn't sit in the request path. Once generated, the code is yours — run it on-prem, in your cloud, serverless, containers, or embedded in existing systems.
3Excel for business. Full control for engineering.
Domain experts keep their spreadsheet logic. Engineering gets clean, auditable, testable code with full governance, CI integration, and long-term maintainability.

How Codcel compares

Typical low-code
Codcel
Proprietary visual flows, hard to version and review.
Source code in your repo — reviewed, tested, and deployed like any service.
Locked into vendor runtimes and pricing models.
No runtime dependency. Zero lock-in. Complete architectural freedom.
Logic hidden inside a black box.
Transparent logic in Excel and code — fully auditable and testable.
Struggles with complex or high-value workloads.
Built for pricing engines, actuarial models, finance, and massive data pipelines.

Codcel bridges the gap between business and IT: domain experts model in Excel, and engineering receives clean, production-ready code that fits directly into your architecture.

From one spreadsheet to an entire platform

Built for real workloads and AI-native from day one.

Codcel isn't a toy for side projects. It's designed for serious, revenue-critical work: car insurance pricing engines, finance models with billions of rows, or running an entire gym or membership business from a single, well-structured Excel file.

And because Codcel can generate an MCP server straight from your spreadsheet logic, your AI agents can safely call the same functions your production systems use — with full observability and governance.

1Handles real-world scale.
Compile to high-performance Rust services that can crunch through hundreds of millions or even billions of rows using modern data engines — not fragile Excel workarounds.
2Perfect for complex domains.
Turn actuarial and pricing spreadsheets into full insurance rating engines. Or use the same flow to run a gym, a subscription business, or any operation currently held together by Excel.
3AI-ready with MCP servers.
Generate an MCP server that exposes your calculations as tools for AI agents. Let ChatGPT or your internal LLM quote policies, run scenarios, or generate reports — all backed by the same governed, type-safe logic used in production.

Example output

Car insurance pricing · MCP tools

AI agents ready

codcel.mcp.json

{
  "tools": [
    {
      "name": "quote_car_premium",
      "description": "Calculate car insurance premium using the Excel rating model.",
      "input_schema": {
        "driver_age": "number",
        "postcode": "string",
        "vehicle_value": "number",
        "no_claims_years": "number"
      }
    },
    {
      "name": "run_gym_billing_cycle",
      "description": "Generate monthly invoices for all active members from the gym Excel model."
    }
  ],
  "backed_by": "Rust service generated from Excel"
}
  • AI uses the same deterministic functions as your production APIs — no "shadow logic" living only in prompts.
  • Easy to plug into modern AI stacks via MCP — no custom glue code for each agent platform.
  • Every change to the Excel model can be re-generated, versioned, and rolled out through your normal CI/CD pipeline.

Start with "just Excel". End with APIs, web apps, MCP servers, and data pipelines, all generated from the same trusted model.

So simple your business can start it — so powerful your engineers rely on it.

Codcel adds tiny tags to Excel so it understands your inputs and outputs — then generates real software from the same workbook: APIs, UIs, libraries, MCP servers, and more.

1

Add tiny tags directly inside Excel

Tell Codcel which cells are inputs and outputs by adding small inline markers in any cell — no restructuring required.

*I*A2*Age

Marks A2 as an input named Age

*O*C10*Premium

Marks C10 as an output named Premium

  • Works with almost any existing spreadsheet
  • Formulas remain untouched
  • Optional advanced tags for tables, keys, and AI MCP tools
  • For large datasets, link your sheet to CSV files — Codcel handles billions of rows
2

Drag the file into Codcel Desktop

Codcel reads your inputs, outputs, formulas, tags, and linked data — then you choose what to generate. Codcel never assumes; you decide.

  • API Service (REST)
  • Fullstack Web App
  • Rust / Python / Java / C# / Go / Swift library
  • MCP Server for AI agents
  • SQL schema + CSV import pipeline
  • WASM module
  • CLI tool
  • Or all of them at once
3

Click "Generate" — get clean, production-ready code

Codcel produces deterministic, human-readable source code you fully own. Small models compile in seconds; massive ones in minutes.

  • Finance model → 2 seconds
  • Car insurance pricing engine → 12 seconds
  • 1B-row CSV-backed table (Excel formulas applied) → ~5 minutes
  • Runs anywhere — no lock-in
  • Version-controlled & fully testable

The entire Excel file becomes deterministic logic — no hidden cells, no duplicated formulas, no inconsistencies between business and engineering.

What Codcel Generates

From a single Excel file, Codcel produces full systems — APIs, UIs, libraries, databases, and even MCP servers for AI agents. No templates, no frameworks, no lock-in.

Backend API Service

A fully documented REST API built from your Excel logic. Deterministic, type-safe, and ready to deploy to any cloud or on-prem environment.

Fullstack Web App

A complete React-based UI with forms, validation, tables, and live calculation logic connected to your generated backend.

MCP Server for AI Agents

Expose your Excel logic as AI tools. Let ChatGPT or your internal LLM safely call calculations, run scenarios, generate reports, and quote premiums.

Language Libraries

Generate idiomatic libraries in Rust, Python, Java, C#, Go, Swift, TypeScript and more — readable, testable, and production-ready.

SQL Schema & Data Pipelines

Turn your Excel tables into SQL schemas and high-speed and CSV import for massive datasets (including 1B+ rows).

WASM Module

Export your Excel logic as a fast, portable WebAssembly module — perfect for embedding directly into browsers, desktop clients, or edge environments.

All generated artifacts are real, human-readable source code — fully owned by you, versioned in your repos, deployed in your architecture, and governed by your processes.

Supported Languages & Platforms

Codcel generates real, production-ready source code across today's most widely used programming languages and ecosystems — with more coming soon.

Rust

Lib · API · WASM · Web

Java

Lib · API · Web

Kotlin

Lib · API · Web (incl. Android)

.NET (C# / VB)

Lib · API · Web

Python

Lib · Web

Go

Lib · API · Web

JavaScript

Web Clients

TypeScript

Web Clients

Swift

Lib · Apple

FFI / C

Native Bindings

AI · MCP

Agent Tools

WASM

WebAssembly Modules

We're continuously expanding Codcel's language and platform support.

Get started with Codcel

Start small. Ship real code.

Convert real Excel models into production-ready code with our explore subscription. Perfect for solo developers, small teams, or your first Codcel project.

Explore Subscription

Ideal if you want to try Codcel on real spreadsheets without committing to a large plan. Upgrade later to build or launch tiers as your usage grows.

  • Full Excel → code conversion pipeline
  • Generate clean, human-readable source in all supported languages & platforms
  • Fair-use credits included — enough for real projects, not just a demo

Need more volume or team features? You can switch to higher plans or add credit top-ups at any time on the full pricing page.

Explore Subscription

€15.00

per monthTaxes calculated at checkout

No long-term commitment. Cancel anytime.

Want to compare all plans first? View full pricing →