Chart workspace
Edit the compact table or import a local CSV. The preview updates in this browser tab.
Live preview
Local CanvasReady for local data.
Your table and chart stay in this browser tab.
About this scatter & bubble analysis tool
Designed for quick reports, classroom exercises, product reviews and internal analysis without uploading a spreadsheet.
3 quick steps
- 1Paste a header row and numeric data.
- 2Choose a chart style and adjust the local options.
- 3Review the preview, then download PNG or SVG.
Local privacy promise
No file or table data is sent to a server. CSV reading, chart rendering and exports run locally.
No login, membership or server-side processing is required.
Frequently asked questions
How should I name CSV columns?
Use label,x,y,r; r is optional and a fixed radius is used when it is omitted.
Is the trend line a forecast?
No. It is a local linear-regression aid for the entered points and is not a future forecast.
Is data sent remotely?
No. Parsing, regression and Canvas rendering all run in the browser.