CSV & Data Analyzer
Data & analysis Local only
Chart & Infographic Maker
Local data visualizationTurn CSV or JSON into accessible, branded charts and publication-ready visual stories locally.
4
Rows
4
Columns
Column
Chart family
0
Review hints
How to use it
- 01
Import and map data
Paste or open bounded CSV, TSV or JSON, review detected field types and choose label and numeric series.
- 02
Design and check the chart
Choose a chart family, theme, labels, source and annotations, then review contrast, alternative text and data-table evidence.
- 03
Save and export
Keep editable local projects and export vectors, images, PDF, source data or a standalone responsive HTML package.
Frequently asked questions
Does the tool upload my dataset?
No. Parsing, aggregation, chart rendering and export happen in this browser.
How much data can it render?
Imports are bounded to 5,000 rows, 50 columns and 5 MiB to keep the static browser workspace responsive.
Does a clean check guarantee accessibility?
No. Diagnostics cover built-in evidence such as contrast, labels, source and alt text; final content and assistive-technology testing still require human review.
Does standalone HTML contact Nobuf?
No. It contains inline SVG and a semantic data table, with no remote runtime or analytics dependency.
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