From Excel Expert toAnyone
Forget complex formulas. Just tell SheetAlly what you need in plain English. Transform hours of data work into seconds of conversation.
See SheetAlly in Action
Watch how complex Excel operations become simple conversations
See how to clean 1,000+ rows of messy data in under 2 minutes using natural language commands
Why 10,000+ Teams Choose SheetAlly
The only Excel AI that combines natural language with enterprise-grade reliability
Natural Language Commands
Just tell us what you want to do. No formulas, no complex menus.
Preview Before Execute
See exactly what will change before we touch your data.
Reusable Recipes
Save your workflows and run them on new data with one click.
Lightning Fast
Complete complex operations in seconds, not hours.
"SheetAlly turned our 4-hour weekly data cleanup into a 15-minute conversation. It's like having a data scientist on speed dial."
Five Core Data Operations
Transform your repetitive Excel tasks into auditable, repeatable workflows. Each operation comes with difference preview and generates reusable recipes.
Difference Preview
See exactly what will change before execution. Review dropped samples, uncertain data, and modification summaries.
Repeatable Recipes
Every operation generates a pipeline.json file that can be reused, shared, and executed on new data.
Deterministic Execution
AI generates the recipe, but execution is deterministic and reproducible. Perfect for compliance and auditing.
Deduplicate & Keep Latest
Smart deduplication with multi-key support. Keep latest records based on date/version and aggregate data automatically.
Smart Column Mapping
AI-powered column mapping for merging heterogeneous tables. Intelligent suggestions with confidence scores.
Text Splitting & Cleaning
Advanced text processing for names, addresses, and structured data. Supports multiple languages and formats.
Date & Currency Normalization
Standardize dates to YYYY-MM-DD format and normalize currency values across different formats.
Version Comparison & Audit
Compare two versions of Excel files and generate detailed diff reports with Added/Removed/Modified analysis.
Three-Asset Guarantee
Every operation generates three files: Result.xlsx (with multiple sheets), pipeline.json (reusable recipe), and report.json (quality audit). Nothing is lost, everything is traceable.
Trusted by Data Professionals
See how teams across industries are transforming their Excel workflows with auditable, repeatable data operations.
"SheetAlly transformed our monthly reporting process. What used to take 8 hours of manual work now takes 30 minutes. The difference preview feature saved us from several costly mistakes."
"The column mapping feature is incredible. We have suppliers sending data in different formats every month. Now we just reuse the recipe and everything maps perfectly."
"The audit trail is exactly what our compliance team needed. Every change is documented, and we can replay the exact same process months later with full transparency."
"I love that I can see exactly what will change before running the operation. No more surprises or having to restore backup files. The confidence this gives me is invaluable."
"The name splitting feature handles our diverse employee database perfectly. English names, Chinese names, hyphenated names - it gets them right and flags the uncertain ones."
"We process invoices from 50+ vendors with different date formats and currencies. SheetAlly standardizes everything automatically while showing us exactly what changed."
Frequently Asked Questions
Everything you need to know about SheetAlly's data processing capabilities
While Excel Copilot and plugins focus on immediate formula generation or one-time assistance, SheetAlly provides a complete AI workbench for data processing. You can chat naturally with your data, preview changes before applying them, and get instant feedback - no formulas needed. It's designed for anyone, not just Excel experts.
We support Excel (.xlsx, .xls) and CSV files up to 10MB with intelligent processing capabilities. The system automatically handles different data types, currency formats, dates, and text patterns. All outputs are generated as standard Excel or CSV files with proper formatting preserved.
Absolutely! This is one of our core features. Before any operation executes, you'll see a comprehensive preview showing: exact row changes, data transformations, risk assessments, and modification summaries. You can review, approve, or cancel changes - ensuring you're always in control.
Simply describe what you want in plain English! For example: "Remove duplicate customers, keep the latest order" or "Split the Full Name column into First and Last Name". Our AI analyzes your data structure and creates the perfect processing plan, which you can preview before execution.
Your data is processed entirely in your browser using WebAssembly technology - nothing is sent to external servers during processing. Files are temporarily stored for the session only and automatically cleared when you close the browser. Your sensitive data never leaves your device.
SheetAlly handles the most common data tasks: deduplication with smart rules, text splitting and merging, date/currency standardization, data filtering and sorting, column management, and basic calculations. Each operation provides detailed previews and maintains data integrity throughout the process.
Our AI automatically detects data types including currencies, dates, emails, phone numbers, and text patterns. It suggests appropriate operations based on your data structure and provides confidence indicators. You can always override suggestions or provide additional guidance through natural language.
Yes! Your original data is never modified directly. You can preview all changes before applying them, and even after applying changes, you can cancel and restore your original data with one click. Every step is reversible, ensuring your data safety.
If the AI needs clarification, it will ask specific questions to better understand your intent. You can refine your request using different words or break it down into smaller steps. The system learns from context and provides helpful suggestions based on your data structure.
Yes! SheetAlly is currently free to use during our beta phase. You can upload files, process data, and export results without any limitations. We're gathering feedback to improve the experience before launching our subscription plans for advanced features.