Free AI Diagram Generator

Describe the diagram you need and Coursebox draws it in seconds. Flowcharts, cycles, org charts, timelines and labelled diagrams, ready to download and use anywhere.

Used by universities, bootcamps and corporate training teams

300K+: Courses created
180+: Countries
100+: Languages
4.7: Capterra rating

Diagram examples made with Coursebox.

Flowcharts, cycles, org charts, Venn diagrams, timelines and labelled science diagrams. Each one was generated from a short text description.

AI-generated decision flowchart for handling a customer complaint, with urgency and resolution decision nodes

AI-generated labelled cross-section diagram of a plant cell showing cell wall, chloroplast, nucleus, vacuole and cytoplasm

AI-generated circular diagram of the plan, do, check, act improvement cycle

AI-generated organisational chart for a training department covering instructional design, delivery and quality

AI-generated Venn diagram showing how knowledge, skills and attitude overlap to form competence

AI-generated horizontal timeline of the software development lifecycle from plan through to maintain

AI-generated labelled diagram of the water cycle showing evaporation, condensation, precipitation and runoff

AI-generated fishbone cause and effect diagram analysing the causes of late order dispatch

AI-generated mind map of effective onboarding covering culture, role training, systems access, compliance and buddy programme

AI-generated customer journey map across awareness, consideration, purchase, onboarding and advocacy

AI-generated 3 by 3 risk assessment matrix plotting likelihood against consequence

AI-generated energy pyramid diagram from producers up to apex predators

Built for diagrams, not just pictures.

Ask a general image generator for a flowchart and you usually get convincing shapes with scrambled text where the labels should be. Coursebox is built for diagrams, so the steps connect in the right order and the labels come out readable.

The right shape for the diagram you asked for
Readable labels, not scrambled text
If a label is wrong, change the prompt and generate again

The prompt "A labelled diagram of the human heart" generating a fully labelled heart diagram in Coursebox

Make as many diagrams as you need, in minutes.

Describe the next diagram and Coursebox generates it on the spot. No waiting on a designer, no hunting for a stock image that nearly fits, and no starting from a blank canvas every time.

Each diagram generates in seconds
Make as many as you need
No designer and no stock image search
Download them all as image files

The diagram types you can generate.

Ask for the type by name and Coursebox lays it out in the right shape. These are the ones people generate most.

Flowchart

Steps and decisions in a process, with yes or no branches.

Cycle diagram

A process that repeats, like a review or improvement loop.

Org chart

Who reports to whom across a team or department.

Venn diagram

What two or three things share, and what they do not.

Mind map

One topic broken into branches and sub-topics.

Fishbone diagram

The causes behind a problem, grouped by category.

Timeline

What happened, in the order it happened.

Labelled diagram

The parts of an object or system, each one named.

Pull diagrams from your existing documents.

Upload a manual, PDF or slide deck and Coursebox finds the diagrams and charts already inside it, so you can reuse them instead of redrawing them.

Finds diagrams, charts and photos in your files
Works with PDF, Word and PowerPoint files
Reuse them anywhere, or add them to a lesson

An image being extracted from an uploaded document in Coursebox

Download your diagram and use it anywhere.

Save it as an image for a slide deck, a document or a handout. If you teach with it, you can also put it in a SCORM package or send it to the LMS your team already runs.

Download as an image for slides, docs or handouts
Include diagrams in SCORM and LTI packages
Works with Moodle, Canvas, TalentLMS and Docebo
Connect to thousands of apps through Zapier
API access for automated workflows

What our users say

Loved by educators, trainers and L&D teams

It's designed to help me build a complete course quickly, which is a huge win for me as I try to move fast or prototype ideas.

Brian P

Instructor

Recognised across review platforms

4.7/5 Based on 100+ verified reviews

FAQ

AI diagram generator questions.

Yes. Create a free Coursebox account and start generating diagrams straight away. No credit card required.

No. Describe the diagram you want, generate it and download the image. The course and LMS tools are there if you need them, but nothing requires you to build a course first.

Flowcharts with decision points, circular process cycles, org charts, mind maps, Venn diagrams, timelines, risk and priority matrices, customer journey maps and labelled scientific diagrams. Describe the shape you want and the generator lays it out.

Coursebox produces a finished image rather than an editable canvas, so changes are made by adjusting your description and generating again. If a label is wrong or a step is missing, add it to the prompt and re-run it.

You get a high-resolution image file. Download it and use it in a slide deck, a document or a handout, or keep it in Coursebox and drop it into a lesson.