xlsx

Edit, clean, and convert spreadsheets between .xlsx, .xlsm, .csv, and .tsv formats.

2|Updated Apr 11, 2026

Search Tags:#automation #formulas #spreadsheet #xlsx #conversion #data-cleaning

Ready to run

npx skills add https://github.com/JaimeJunr/context-mode --skill xlsx-jaimejunr

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/JaimeJunr/context-mode/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/JaimeJunr/context-mode --skill xlsx-jaimejunr

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates spreadsheet tasks such as opening, reading, editing, cleaning, formatting, creating from data sources, and converting between .xlsx, .xlsm, .csv, and .tsv, delivering a finalized spreadsheet file.

Core Features & Use Cases

Open, read, edit, fix, format, and convert spreadsheets (xlsx/xlsm/csv/tsv)
Create new spreadsheets from scratch or from external data sources
Convert between tabular formats and clean messy datasets

Quick Start

Tell me to transform a spreadsheet by adding columns, applying formulas, formatting, and exporting to another tabular format.

Frequently Asked Questions about xlsx

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

FAQPage Schema

How do I automate spreadsheet edits and format conversions for xlsx and csv files?▼

You can automate spreadsheet editing, cleaning, and format conversions by referencing your file by name or path, applying formulas, and exporting the finalized output as a downloadable .xlsx, .xlsm, .csv, or .tsv file.

Can I convert a csv file to xlsx and apply formatting automatically?▼

Yes, you can convert between tabular formats like .csv and .xlsx while simultaneously applying formula-enabled handling and formatting to clean messy datasets and deliver a finalized spreadsheet file.

What is the best way to clean messy datasets and create a new spreadsheet from external data?▼

The best way to clean messy datasets is to automate the process of creating new spreadsheets from external data sources, fixing formatting, and exporting the cleaned data to your desired tabular format.

Does this spreadsheet automation support xlsx, xlsm, csv, and tsv formats?▼

Yes, this spreadsheet automation supports opening, reading, editing, and converting between .xlsx, .xlsm, .csv, and .tsv formats to reduce manual data work and deliver a downloadable output file.

How do I add columns and apply formulas to an existing spreadsheet file?▼

You can transform an existing spreadsheet by instructing the automation to add columns, apply formulas, fix formatting, and export the updated data to another tabular format.

Why should I use automated data cleaning instead of manual spreadsheet editing?▼

Automated data cleaning reduces manual spreadsheet work by handling tasks such as opening, reading, editing, formatting, and converting datasets, ensuring consistent formula-enabled processing and file export.