plotdigitizer ☆

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Description:
Digitize scanned plots of functional data

Type: Cask | Latest Version: 2.6.12@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Productivity

Tags: data-extraction visualization scientific-tools analysis java

Install: brew install --cask plotdigitizer

About:
Plot Digitizer is a specialized tool for extracting numerical data from images of graphs and charts. It allows users to map pixel coordinates to real-world data values by defining axes scales and calibrating points. This effectively converts visual data from scientific papers, reports, and scanned documents into usable digital datasets for further analysis.

Key Features:

Interactive axis calibration for accurate data mapping
Support for linear, logarithmic, and date/time axes
Manual and automatic point tracking along data curves
Export data to CSV, XML, and other formats

Use Cases:

Extracting data from legacy scientific publications for meta-analysis
Converting scanned engineering plots into digital datasets
Recovering data from images where original source files are unavailable

Alternatives:

WebPlotDigitizer – Web-based alternative with similar functionality; Plot Digitizer is a standalone Java application.
DigitizeIt – Commercial alternative with a comparable feature set.

Version History

Detected	Version	Rev	Change	Commit
Jan 8, 2024 5:56am	2.6.11	0	VERSION_BUMP	43ce79ac
Jan 8, 2024 5:49am	2.6.11	0	VERSION_BUMP	f55b2b62