alterlab-xlsx

Automate spreadsheet cleaning, formatting, and conversion between .xlsx, .csv, and .tsv files.

58|9|Updated Mar 16, 2026
One-click install
npx skills add https://github.com/AlterLab-IEU/AlterLab-Academic-Skills --skill alterlab-xlsx
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: alterlab-xlsx
Source: https://github.com/AlterLab-IEU/AlterLab-Academic-Skills/tree/main/skills/document-tools/alterlab-xlsx
Command: npx skills add https://github.com/AlterLab-IEU/AlterLab-Academic-Skills --skill alterlab-xlsx

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Cleaning, restructuring, and converting spreadsheet data across formats like .xlsx, .xlsm, .csv, and .tsv is tedious and error-prone; this skill provides an end-to-end automation for opening, reading, editing, formatting, cleaning, and converting spreadsheets while preserving formulas and structure.

Core Features & Use Cases

  • Open, read, edit, and clean messy spreadsheets (headers, data types, missing values)
  • Convert between common formats (.xlsx, .csv, .tsv, .xlsm) and create new sheets from other data sources
  • Apply formatting, formulas, and basic validations for consistent outputs
  • Use Case: When you receive a messy CSV, convert to Excel with cleaned headers and proper formatting for analysis.

Quick Start

Import a CSV, clean it, and export as an XLSX to start analysis.

Frequently Asked Questions about alterlab-xlsx

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate cleaning messy CSV data and converting it to XLSX?

Spreadsheet cleaning and conversion automation opens messy CSV files, fixes headers and data types, handles missing values, and exports a formatted XLSX file. It applies consistent formatting and basic validations to produce analysis-ready outputs.

Can I convert between XLSX, CSV, and TSV files while preserving formulas?

Yes, converting between XLSX, CSV, and TSV files preserves existing formulas and spreadsheet structure. The automation reads common spreadsheet formats, applies necessary transformations, and writes new files while maintaining template integrity and formula logic.

What is the best way to apply formatting and formulas to multiple spreadsheets automatically?

Automating spreadsheet formatting and formulas applies consistent styles, calculations, and basic validations across multiple files. The process opens each spreadsheet, applies the defined formatting rules and formulas, and validates outputs to ensure consistent results.

Does this spreadsheet automation tool require Python to read and write XLSX files?

Yes, end-to-end spreadsheet automation requires Python tools to read and write common formats like XLSX, CSV, and TSV. Python handles file operations, preserves formulas, maintains templates, and provides robust error handling during data transformation.

How do I clean headers and fix data types in a messy spreadsheet?

Cleaning spreadsheet headers and data types involves opening the file, standardizing header names, correcting type mismatches, and handling missing values. The automation validates these transformations to ensure the output spreadsheet is consistent and error-free.