File Analyzer Learn more

A local-first CSV/TXT profiler for data modellers: unique-value cards, filters, group-by summaries, pivots, and charts - so you can validate structure before mapping or modeling.

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Data preview

Upload a CSV/TXT, choose a delimiter, then browse and sort instantly.

📄 0 rows 🔢 0 columns 🧪 0 numeric / 0 text

File (CSV / TXT)

Delimiter

Show rows

Filter

Logic

Column

Operator

Value

And

First charts & tables appear after the first 100 rows are parsed, then refresh every 2,000 rows. Large files will show a running progress indicator.

Load a CSV/TXT file to begin.

Group by

Group field

Measure

Aggregation

Group	Value	Rows

Chart

Chart is driven by the current group-by selection.

Show groups

Load data and pick a group field to see a bar chart.

Fields & pivot

Auto-detect text vs numeric, then pivot.

Fields · unique values

Pivot (rows × columns)

Row field

Column field

Value

Aggregation

File Analyzer

Purpose: help data modellers quickly understand a dataset’s shape before building models, mappings, and transformations.

What you get

Column cards: unique counts plus quick type hints (numeric vs text)
Preview: scrollable table with sortable columns and configurable preview size
Filters: stack multiple rules (AND/OR) and instantly see the impact
Group by: summarize by any field and view a bar chart (Top N)
Pivot: rows × columns cross-tab with selectable aggregation
Local only: processing happens in your browser, files aren’t uploaded