Desktop digitizers still exist, but most people just want to recover a few curves from a paper and move on. An online tool removes install friction.

Browser-first workflow

  1. Open Plot2CSV
  2. Upload PNG or JPG
  3. Crop and calibrate
  4. Extract and edit
  5. Download CSV or Excel

Everything runs through a lightweight web UI with a FastAPI backend for computer-vision extraction.

Privacy-minded defaults

Images are processed to extract points. Prefer uploading figures you have rights to use, and verify results before publication.

Try it

Start extracting with your next figure — no account needed.