Chart OCR — read charts into structured data
Upload a chart or graph image. Chart recognition extracts the underlying values into a structured table you can reuse.
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PDF · PNG · JPG · WEBP, up to 1 MB each · multiple files are queued
Turn chart images into structured data
Capture the numbers behind a bar, line or pie chart. Upload the image and chart recognition returns the data as an editable table.
- Bar, line, pie and other common chart types
- Chart values returned as a structured table
- No need to read values off the axis by hand
- Export the extracted data as Markdown, HTML or JSON
Built into the SenseOCR engine
Recognition uses the same document AI engine as the full SenseOCR document converter. Upload PDF, PNG, JPG or WEBP. Results can be copied or exported as Markdown, HTML, plain text or JSON.
Frequently asked questions
Which chart types are supported?
Common business charts such as bar, line and pie charts. Very dense or low-resolution charts may reduce accuracy.
How accurate is the extraction?
Accuracy depends on image quality and chart complexity. Always spot-check important values against the source image.
More OCR tools
Convert formula images to LaTeX · Convert table images to editable tables · Full document OCR