Documentation

Everything you need to explore, transform, and analyze your data.

Getting Started

Introduction What ExploreMyData is and who it's for Quick Start Upload a file and start exploring in 2 minutes Supported Formats CSV, TSV, Parquet, JSON, Excel Interface Overview Grid, toolbar, tabs, explorer panel

Core Features

Data Grid Sorting, scrolling, virtual rows Column Explorer Histograms, value counts, click-to-filter Pipeline Chain operations into a transformation workflow File & View Tabs Multiple files and independent views Settings API keys, LLM providers, theme

Operations

28 built-in operations for transforming and analyzing data:

OperationGroupDescription
FilterFilter & SortShow only rows matching conditions
Select ColumnsColumnsPick and reorder columns
Delete ColumnsColumnsRemove columns from the table
Copy ColumnsColumnsDuplicate columns with custom names
Combine ColumnsColumnsCombine columns and text into one
Split ColumnColumnsSplit a column by delimiter into multiple
Add ColumnColumnsAdd a new computed or empty column
Update ValuesTransformUpdate column values with expression
Find & ReplaceTransformSearch and replace values in a column
Text TransformTransformTransform text: uppercase, lowercase, trim
MathTransformArithmetic operations on columns
Convert TypeTransformConvert column data type
Extract TextTransformExtract text patterns from a column
Bulk ReplaceTransformReplace multiple values at once using groups
Limit RowsFilter & SortKeep only the first N rows
Top / Bottom RowsFilter & SortShow top or bottom N rows by column value
Remove DuplicatesFilter & SortRemove duplicate rows
Extract Date PartDateExtract year, month, day from a date
Increment DateDateAdd/subtract time intervals
Date DifferenceDateCalculate difference between two dates
PivotAggregatePivot table (rows to columns)
Window FunctionAggregateRank, row number, lead, lag
SmallestAggregateGet nth smallest value as a column
LargestAggregateGet nth largest value as a column
JoinDataJoin with another file/table
UnnestDataExplode delimited column into rows
Fill MissingDataFill null values
JSON ExtractDataExtract data in JSON format into columns
SQL QueryAdvancedWrite custom SQL

Guides

Cleaning Messy Data Deduplicate, fill nulls, standardize text, export clean Joining Two Files Combine data from two files on a matching column Building a Pipeline Chain multiple operations into a workflow Using AI Features Natural language to SQL with API keys

Reference

DuckDB SQL Reference SQL syntax for the SQL editor Data Types All types the app recognizes Troubleshooting Common errors and solutions Glossary All terms defined FAQ Frequently asked questions