For research papers, assignments and lessons — describe the diagram you need and get a fully labeled, publication-ready figure in seconds. Every label is editable, so nothing is wrong where it matters.
OUTPUT · 16:9 · PNG


























































Choose a subject & grade preset, or type e.g. “convex lens ray diagram, object between F and 2F”.
The AI first lists the must-have labels (nothing missing), then renders a textbook-style diagram.
OCR every label and fix any of them without re-rolling; download PNG straight into PowerPoint or Google Slides.
Yes — Science Diagram is free while in beta. Each account can create 8 diagrams per day for free (an edit counts as one), and each diagram takes about 2 minutes. Need more? Join our Telegram group and ask the maintainer.
The interface and diagram labels support 8 languages: English, 中文, Español, Português, Français, Deutsch, Русский and 日本語. Labels are rendered in the language you choose.
Yes. The system detects every label in the image so you can edit them line by line, or circle an area with the brush and describe the change — only the marked part is repainted, the rest stays identical.
Yes. Diagrams download as 16:9 PNG files that drop straight into PowerPoint or Google Slides. Please verify AI-generated content before classroom use.
Before rendering, the AI plans a must-have label list based on the subject and grade level, so nothing essential is missing. Every sample on this site is a real, unedited output.
About 90 seconds. Text edits and partial repaints take a similar time, since only the changed part is regenerated.