# automeris-io/WebPlotDigitizer

Computer vision assisted tool to extract numerical data from plot images.

Repository: https://github.com/automeris-io/WebPlotDigitizer
Canonical: https://ross.abutalabs.com/products/webplotdigitizer
Homepage: https://automeris.io
Language: JavaScript
License: AGPL-3.0
License Family: copyleft
Topics: javascript, webplotdigitizer, html, data-mining, visualization, reverse-engineering, charts, computer-vision
Last push: 2026-07-27T07:48:41+00:00

## Health v2 (maintenance only)
Score: 65/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 94, release rhythm 8, longevity 100
- inputs: {"age_days": 5821, "days_push": 37, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 3146, forks 436 (observed 2026-08-28T04:07:46.010869+00:00)

## What it is
WebPlotDigitizer is a computer vision assisted web application that extracts numerical data from images of charts and plots. It has been widely used in academia and industry since 2010 and is distributed under AGPL-3.0.

## Use cases
- extract data points from a scanned chart image
- digitize a plot from a published paper
- convert graph images into CSV data
- recover numerical values from XY plots, bar charts, and pie charts
- reverse-engineer data from a figure when the raw dataset is unavailable

## When to choose
- you only have an image of a chart and need the underlying numbers
- you need to digitize many plot images for research or analysis
- you want a mature, widely-cited tool with community trust

## When to avoid
- you need the raw source data rather than estimates from pixels
- you require a fully open-source cloud/AI backend (AI Assist features are proprietary)
- you need programmatic bulk extraction without the web UI

## Facets
- artifact type: application
- maturity: active
- function: computer-vision, image-processing, data-science, ocr
- domain: data-science, data-visualization, computer-vision, developer-tools
- platform: cross-platform
- tags: data-extraction, chart-digitization, plot-images, academia, scientific-tools, web-server, docker, javascript

## Member repositories
- automeris-io/WebPlotDigitizer (main) score 65

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:46.010869+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:25:57.642554+00:00, confidence not recorded.
  - readme: https://github.com/automeris-io/WebPlotDigitizer (fetched 2026-08-28T04:07:46.010869+00:00, sha 2d8630f761ab)
  - homepage: https://automeris.io (fetched 2026-08-29T09:40:54.407333+00:00, sha c95a12c138ae)
- Data as of 2026-08-30T08:39:29.467469+00:00.