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Free AI diagram generator for STEM science and math visuals.
Figviz is a free AI-powered diagram generator designed for STEM teachers, students, and researchers. It turns plain-English descriptions into clean, labeled science and math diagrams in seconds, ready for slides, worksheets, or publications.
Figviz uses a pay-as-you-go credit system with no subscription. Credits never expire.
| Plan | Price | Credits |
|---|---|---|
| Starter | $5 | 10 |
| Basic | $10 | 22 |
| Plus (Popular) | $30 | 72 |
| Power | $80 | 220 |
| Max | $200 | 620 |
Every new account starts with 3 free credits (no credit card required). 1K/2K generation costs 1 credit; 4K costs 1.5 credits. Free accounts include a small watermark; purchasing any credit pack removes the watermark.
What is Figviz? Figviz is an AI generator that turns a plain-English description or uploaded document into a clean, labeled science or math diagram in seconds.
Who is Figviz designed for? STEM teachers (K-12 and university), researchers, and students.
Which subjects and grade levels are supported? Biology, chemistry, physics, earth science, math – from elementary to graduate level.
Do I need drawing skills or special software? No. Just type a description and generate.
How does pricing work? Pay-as-you-go credits with no subscription. Credits never expire.
What do I get on the free plan? 3 free credits to try. Generations include a small watermark.
Can I use the diagrams in worksheets and slide decks? Yes. High-resolution PNGs and SVGs are ready for classroom use.
What formats and sizes do you support? PNG up to 4K, SVG vector export. Aspect ratios include 16:9 for slides and A4 for printing.
Are the diagrams always scientifically accurate? Figviz is tuned for standard STEM curriculum topics. A quick review is recommended for high-stakes use.
Do my students need accounts? No. Only the teacher or researcher needs an account.
How fast are diagram generations? Most diagrams finish in 20–40 seconds.
Can I use Figviz for research papers and publications? Yes. Paid accounts can use diagrams for commercial purposes including publications.
Can I use the generated diagrams commercially? Commercial use requires a paid account (any credit pack). Free accounts are for personal and classroom use only.