UnPlotter

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Browser-Based

No installation required. Works entirely in your browser with no server uploads.

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PDF Support

Load and extract data from multi-page PDF documents with vector graphics.

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Axis Calibration

Convert pixel coordinates to real data values with simple axis calibration.

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Curve Labeling

Organize multiple curves with custom labels for easy data management.

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Export Options

Download extracted data as CSV or JSON for use in your favorite tools.

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Privacy First

Your files never leave your computer. All processing is 100% local.

How It Works

Load Your PDF

Load a PDF file containing the plot or graph you want to extract data from.

Calibrate Axes

Select reference lines defining X and Y axis limits and enter their min/max data values to establish coordinate scaling.

Select & Label Curves

Click on curves to select them and assign meaningful labels for to keep your data organized.

Export Your Data

Download the extracted data as CSV or JSON files for further analysis.

Why UnPlotter?

Extract data from research papers and technical reports
Digitize plots from legacy documents
Recreate datasets for analysis, visualization, comparisons, etc.
Save time compared to manual data entry
Highest possible accuracy
Open source
Free to use
- Contributions are appreciated if you find UnPlotter useful
Works offline once loaded
No file size limits or processing quotas
Simple easy to use interface

Ready to Extract Your Data?

Get started in seconds - no signup required

Start Extracting

Need help? View the documentation →

Turn PDF Plots Into Data