Luminal

Luminal is an AI-powered spreadsheet tool that cleans, transforms and analyzes messy spreadsheets through natural language conversation.

Overview

Luminal takes the grunt work out of spreadsheets. Upload a messy file — inconsistent dates, mixed formats, duplicated rows — and ask Luminal to clean it in plain English. It can reshape data, merge columns, normalize formats and run analyses, showing its work so you can verify each transformation.

The tool is built for speed on one-off data problems: the kind of “can you just fix this spreadsheet” tasks that would otherwise take an afternoon of manual formulas. It handles large files in the browser and exports clean results in standard formats.

Luminal’s conversational interface handles the typical data chores: fixing inconsistent dates and formats, splitting and merging columns, deduplicating records, filtering and reshaping tables. It shows each transformation as an understandable step, and analysis questions can be asked against the cleaned data. The tool is designed for one-off and recurring cleanup jobs where writing formulas would take longer than describing the desired result.

Key Features

• Natural language cleaning and transformation of spreadsheets
• Handles messy, inconsistent and multi-format data
• Step-by-step visibility into every change made
• Analysis and quick answers from uploaded data
• Fast browser-based processing of large files
• Export to Excel, CSV and standard formats

Pricing

Luminal offers a free tier for small files and light usage, with paid plans for larger files, higher usage volumes and priority processing.

Who Is It For

Anyone who regularly inherits messy spreadsheets and needs them cleaned and analyzed without writing formulas.

FAQ

Is Luminal free to use?

Yes, a free tier handles small jobs; bigger files and frequent use need a paid plan.

Does Luminal offer an API?

Luminal is a conversational web tool; programmatic access is limited.

How does Luminal compare to alternatives?

It focuses on cleaning and transformation of messy files, where formula assistants assume clean starting data.

What file formats does Luminal accept?

Luminal works with common spreadsheet formats including Excel and CSV, and exports cleaned results in standard formats.

What are the main use cases of Luminal?

People use Luminal for the recurring data chores that stall work: cleaning inconsistent formatting in inherited spreadsheets, merging and splitting columns, deduplicating records, reshaping tables and running quick analyses. Instead of building formulas, they describe the desired outcome and verify each transformation step.

Does Luminal work with large spreadsheets?

Yes — Luminal processes large files in the browser, handling cleanup and transformation tasks that would be slow to do manually.