Plot2CSV

Extract Data from Graphs in Seconds

The easiest graph-to-data extractor for researchers and analysts. Upload a graph, let every visible series be found automatically, then export an aligned, editable table.

Start Extracting How it works

Supported: PNG · JPG · JPEG

Upload

Crop

Calibrate

Export

Upload a plot to begin

Built for speed and clarity

No tutorials required. Designed for researchers, students, engineers, and analysts.

Automatic detection

Counts and traces multiple colored or monochrome series, then labels them Y1, Y2, and more.

Precise calibration

Linear and log scales. Change axis values anytime — coordinates update instantly.

Edit then export

Review every detected overlay, edit points, and export aligned X, Y1, Y2 columns to CSV or Excel.

Guides for getting data out of graphs

Graph to CSV

Turn any chart image into clean, aligned CSV columns.

Convert a graph to Excel

From PNG, screenshot, or photo to a real .xlsx file.

WebPlotDigitizer alternative

How Plot2CSV compares, and when to use which.

How it works

The five-step workflow, from upload to download.

Ready to extract your next graph?

Free, fast, and private — images never leave your browser.

Start Extracting