Framesmith
Free · Open source
Developers working with MCP assistants
Drawing a free-body diagram by hand for the fourth time this week, or redoing a ray diagram in Illustrator because the PNG from last year printed blurry — that's the prep-time tax Figviz is built to eliminate.
Varies by credit pack · Free tier: 8 credits to generate real diagrams with no card required · Checked Oct 21, 2026
Figviz takes a plain-English prompt or an attached PDF and returns a labeled, science-accurate diagram sized for slides, worksheets, or journal figures. The vendor states over 320,000 diagrams have been generated across K-12 and graduate contexts, with output formats covering 4K PNG and editable SVG. The SVG export is the differentiating move for researchers: drop it into Illustrator or Figma and edit rather than redraw. The ceiling appears when your diagram needs custom interactivity, data-driven generation from a live dataset, or subject matter outside the supported STEM presets — the tool does not cover those paths. For single-subject, one-shot figure generation, the workflow is three steps and done.
Bottom line: Pick Figviz when you need a projector-ready cell diagram or ray diagram in under two minutes — plan a different workflow when the figure requires dynamic data inputs or subjects outside its STEM preset library.
Every new account gets 8 credits to generate real diagrams with no card required
Quick task, try Figviz on a lesson or two
Short project, a unit's worth of diagrams
Most teachers start here, regular weekly use
Heavy use, lots of diagrams across many classes
For departments and power users
One-time payment founding member offer (50 seats only)
View full pricing on figviz.com →
Pricing may have changed since last verified. Check the official site for current plans.
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Redrawing the same inclined-plane diagram for three different grade levels, then re-exporting it at higher resolution for a poster — Figviz collapses that loop into a single prompt. The core workflow: sign in, select subject and level, type a description such as “titration setup for AP Chemistry” or attach a reference image, and the tool returns a diagram formatted for 16:9 slides, A4 printouts, or large-format posters. Output arrives as high-res PNG or editable SVG. No canvas manipulation, no node graphs — one input, one output.
The SVG export is where Figviz separates from screenshot-based alternatives. The vendor describes the vector output as editable in Illustrator, Figma, and Inkscape, which means a researcher building a graphical abstract for a grant deck can adjust label positions and line weights without regenerating from scratch. For K-12 teachers, the tool generates both a labeled version and a blank version from the same prompt — useful for producing a completed key and a student worksheet in one pass.
Figviz fits tightly into two workflows: a teacher who needs a subject-specific diagram fast, and a researcher who needs a clean vector figure without an Illustrator session. It does not fit workflows that require diagrams generated from uploaded data tables, real-time dataset connections, or subjects outside physics, biology, chemistry, earth science, and math. The API is available for teams wanting to pipe diagram generation into their own platforms, but the docs describe a one-shot generation model — not a stateful or iterative agent loop. No self-hosted option exists, so institutions with strict data-residency requirements route around it.
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